| **Employee Benefit Plans (Details) - USD ($)**                                             | 1 Months Ended | 2 Months Ended |             |
|--------------------------------------------------------------------------------------------|----------------|----------------|-------------|
||
| **Defined Benefit Plan Disclosure [Line Items]**                                           |           |           |        |   |
| Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate       |           | 4.10%          |        | 3.80% |
| **Net Periodic Benefit Cost [Abstract]**                                                   |           |           |        |   |
| Defined Benefit Plans Impact of Plan Re-measurement                                        |           | $ (9,700,000)  |        |   |
| Defined Benefit Plan, Amounts Recognized in Balance Sheet                                  |           | $ (11,700,000) |        |   |
| Plan 401 K | Other Postretirement Benefit Plan                                             |           |           |        |   |
| **Defined Contribution Plan Disclosure [Line Items]**                                      |           |           |        |   |
| Plan Vesting Period Defined Contribution Plan                                              |           | 6 months       |        |   |
| Defined Contribution Plan, Employer Matching Contribution, Percent of Match                |           | 100.00%        |        |   |
| Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay |           | 5.00%          |        |   |
| Employer Contribution to Plan                                                              |           | $ 1,300,000    | $ 1,300,000 |   |
| Money Purchase Pension Plan | Pension Plan                                                 |           |           |        |   |
| **Defined Contribution Plan Disclosure [Line Items]**                                      |           |           |        |   |
| Plan Vesting Period Defined Contribution Plan                                              |           | 3 years        |        |   |
| Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay |           | 4.00%          |        |   |
| Employer Contribution Percentage Above IRS Limit                                           |           | 4.00%          |        |   |
| Pension Contributions                                                                      |           | $ 0            | 0           |   |
| Money Purchase Pension Plan | Pension Plan | Subsequent Event                              |           |           |        |   |
| **Defined Contribution Plan Disclosure [Line Items]**                                      |           |           |        |   |
| Pension Contributions                                                                      | $ 2,200,000    |           |        |   |
| Defined Contribution Restoration Plan | Other Postretirement Benefit Plan                  |           |           |        |   |
| **Defined Contribution Plan Disclosure [Line Items]**                                      |           |           |        |   |
| Employer Contribution to Plan - deferred compensation                                      |           | 400,000        | 500,000     |   |
| Qualified Pension                                                                          |           |           |        |   |
| **Defined Benefit Plan Disclosure [Line Items]**                                           |           |           |        |   |
| Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year         |           | 11,000,000     |        |   |
| Employer contributions                                                                     |           | 10,000,000     | 10,000,000  |   |
| **Net Periodic Benefit Cost [Abstract]**                                                   |           |           |        |   |
| Service cost                                                                               |           | 2,000,000      | 1,800,000   |   |
| Interest cost                                                                              |           | 2,100,000      | 1,600,000   |   |
| Expected return on plan assets                                                             |           | (3,800,000)    | (4,000,000) |   |
| Amortization of prior service cost (credit)                                                |           | (400,000)      | (300,000)   |   |
| Amortization of net loss                                                                   |           | 1,900,000      | 1,400,000   |   |
| Settlement loss recognized                                                                 |           | 2,500,000      | 0           |   |
| Other                                                                                      |           | 100,000        | 0           |   |
| Net periodic benefit cost                                                                  |           | 4,400,000      | 500,000     |   |
| Non Qualified Pension                                                                      |           |           |        |   |
| **Defined Benefit Plan Disclosure [Line Items]**                                           |           |           |        |   |
| Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year         |           | 500,000        |        |   |
| Employer contributions                                                                     |           | 100,000        | 100,000     |   |
| **Net Periodic Benefit Cost [Abstract]**                                                   |           |           |        |   |
| Service cost                                                                               |           | 0              | 0           |   |
| Interest cost                                                                              |           | 0              | 0           |   |
| Expected return on plan assets                                                             |           | 0              | 0           |   |
| Amortization of prior service cost (credit)                                                |           | 0              | 100,000     |   |
| Amortization of net loss                                                                   |           | 0              | 0           |   |
| Settlement loss recognized                                                                 |           | 0              | 0           |   |
| Other                                                                                      |           | 0              | 0           |   |
| Net periodic benefit cost                                                                  |           | 0              | 100,000     |   |
| Other Postretirement Benefit Plan                                                          |           |           |        |   |
| **Defined Benefit Plan Disclosure [Line Items]**                                           |           |           |        |   |
| Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year         |           | 2,200,000      |        |   |
| **Net Periodic Benefit Cost [Abstract]**                                                   |           |           |        |   |
| Service cost                                                                               |           | 200,000        | 200,000     |   |
| Interest cost                                                                              |           | 200,000        | 200,000     |   |
| Expected return on plan assets                                                             |           | (300,000)      | (300,000)   |   |
| Amortization of prior service cost (credit)                                                |           | 0              | (100,000)   |   |
| Amortization of net loss                                                                   |           | 100,000        | 100,000     |   |
| Settlement loss recognized                                                                 |           | 0              | 0           |   |
| Other                                                                                      |           | 0              | 0           |   |
| Net periodic benefit cost                                                                  |           | $ 200,000      | $ 100,000   |   |

| X                                                                                                                                                                                                                                                                                                                                                                                                  |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of increase (decrease) in the benefit obligation attributed to the change in discount rate upon re-measurement of the company's defined benefit plans.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                       |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The percentage of participant's compensation above the Internal Revenue Service (IRS) compensation limit the company contributes to the plan.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                      |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The minimum period that the individual is required to perform services in order to be fully vested under employee defined contribution plan.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of payment into the fund established for purposes of making future disbursements to the individual in accordance with the terms and understanding of the deferred compensation arrangement.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of gains or losses recognized in net periodic benefit cost.
+ References
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of the prior service cost or credit recognized in net periodic benefit cost relating to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation.
+ References
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The aggregate net amount recognized in the balance sheet associated with the defined benefit plan(s). Will normally be the same as the Defined Benefit Plan, Funded Status of Plan, Total.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The interest rate used to adjust for the time value of money for the plan.
+ References
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of contributions made by the employer to defined benefit plans.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                             |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.
+ References
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| - References
No definition available.
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of other defined benefit plan costs.
+ References
No definition available.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of net gain (loss) recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits.
+ References
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of the cost recognized during the period for defined contribution plans.
+ References
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| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.
+ References
No definition available.
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| - Definition
Percentage employer matches of the employee's percentage contribution matched.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of cash or cash equivalents contributed by the entity to fund its pension plans.
+ References
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