| **Pension and Other Postretirement Plans (Amounts Affecting Accumulated Other Comprehensive Income Loss) (Details) - USD ($) $ in Thousands** | 12 Months Ended |
|-----------------------------------------------------------------------------------------------------------------------------------------------|-----------------|
||
| **Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]**                                                                 |            |   |   |
| Total                                                                                                                                         | $ (1,664)       | $ 7,789 | $ (21,029) |
| Pension Plan [Member]                                                                                                                         |            |   |   |
| **Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]**                                                                 |            |   |   |
| Amortization of prior service (cost) credit, net of tax of $(2), $(5) and $(43), $(43), respectively                                          | 0               | 5 |   |
| Amortization of actuarial (losses) gains, net of tax of $1,351, $1,063 and $(30), $(52), respectively                                         | (2,324)         | (1,821) |   |
| Current year actuarial losses (gains), net of tax of $(1,081), $(5,559) and $27, $(6), respectively                                           | 1,827           | 9,509 |   |
| Curtailment gain, net of tax of $797, $0 and $0, $0, respectively                                                                             | (1,396)         | 0 |   |
| Effect of change in deferred tax rate                                                                                                         | 150             | (78) |   |
| Total                                                                                                                                         | (1,743)         | 7,615 |   |
| **Defined Benefit Plan, Tax Amounts**                                                                                                         |            |   |   |
| Amortization of prior service (cost) credit, tax amount                                                                                       | (2)             | (5) |   |
| Amortization of actuarial (losses) gains, tax amount                                                                                          | 1,351           | 1,063 |   |
| Current year actuarial losses (gains), tax amount                                                                                             | (1,081)         | (5,559) |   |
| Curtailment gain, tax amount                                                                                                                  | 797             | 0 |   |
| Other Postretirement Benefit Plans, Defined Benefit [Member]                                                                                  |            |   |   |
| **Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]**                                                                 |            |   |   |
| Amortization of prior service (cost) credit, net of tax of $(2), $(5) and $(43), $(43), respectively                                          | 79              | 79 |   |
| Amortization of actuarial (losses) gains, net of tax of $1,351, $1,063 and $(30), $(52), respectively                                         | 57              | 95 |   |
| Current year actuarial losses (gains), net of tax of $(1,081), $(5,559) and $27, $(6), respectively                                           | (51)            | 11 |   |
| Curtailment gain, net of tax of $797, $0 and $0, $0, respectively                                                                             | 0               | 0 |   |
| Effect of change in deferred tax rate                                                                                                         | (6)             | (11) |   |
| Total                                                                                                                                         | 79              | 174 |   |
| **Defined Benefit Plan, Tax Amounts**                                                                                                         |            |   |   |
| Amortization of prior service (cost) credit, tax amount                                                                                       | (43)            | (43) |   |
| Amortization of actuarial (losses) gains, tax amount                                                                                          | (30)            | (52) |   |
| Current year actuarial losses (gains), tax amount                                                                                             | 27              | (6) |   |
| Curtailment gain, tax amount                                                                                                                  | $ 0             | $ 0 |   |

| X                                                                                                                                                                                                                                                                                                                                                                                                                         |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of increase or decrease in the accumulated other comprehensive income related to the effects of a change in the deferred tax rate.
+ References
No definition available.
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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
Amount after tax of (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit.
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of tax expense (benefit) related to (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit.
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of tax expense (benefit) related to gain (loss) adjustment to other comprehensive income (loss) resulting from settlement or curtailment of pension and other postretirement defined benefit plans.
+ References
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount after tax of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans.
+ References
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| - Definition
Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans.
+ References
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount after tax of gain (loss) adjustment to other comprehensive income (loss) resulting from settlement or curtailment of defined benefit pension and other postretirement defined benefit plans.
+ References
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| - Definition
Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount after tax of reclassification adjustment from accumulated other comprehensive income (loss) for actuarial gain (loss) related to pension and other postretirement benefit plans.
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss) for actuarial gain (loss) related to pension and other postretirement benefit plans.
+ References
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