| **Borrowings - Narrative (Details) (USD $)**               |        |           |            | 12 Months Ended |               |                   |            |        | 0 Months Ended |            |           |           |            |            |
|------------------------------------------------------------|--------|-----------|------------|-----------------|---------------|-------------------|------------|--------|----------------|------------|-----------|-----------|------------|------------|
||
| **Debt Instrument [Line Items]**                           |   |      |       |            |          |              |       |   |           |       |      |      |       |       |   |   |   |
| Total Debt                                                 |   |      |       | $ 126,807,000   | $ 112,161,000 |              |       |   |           |       |      |      |       |       |   |   |   |
| Debt face amount                                           |   | 5,000,000 | 65,000,000 |            |          |              | 70,000,000 |   |           | 56,702,000 | 4,124,000 | 4,124,000 | 79,000,000 |       |   |   |   |
| Interest rate on notes                                     |   | 5.00%     | 6.75%      |            |          | 1.70%             |       | 1.87%  | 6.495%         |       |      | 10.20%    | 2.625%     |       |   |   |   |
| Description of variable rate basis                         |   |      |       |            |          | three-month LIBOR |       |   |           |       |      |      |       |       |   |   |   |
| Basis spread on variable rate                              |   |      |       |            |          | 1.56%             |       |   |           |       |      |      |       |       |   |   |   |
| Line of credit maximum borrowing capacity                  |   |      |       |            |          |              |       |   |           |       |      |      |       | 55,000,000 | 55,000,000 | 5,000,000 | 50,000,000 |
| Private debt issuance, number of institutional investors   | 4      |      |       |            |          |              |       |   |           |       |      |      |       |       |   |   |   |
| Amount due in the event of a default                       |   |      |       |            |          |              |       |   |           |       |      |      |       |       |   | $ 5,000,000 |   |
| The default rate percentage (per annum) on debt instrument |   |      |       |            |          |              |       |   |           |       |      |      |       |       |   | 3.00% |   |
| The redemption price of the debt, percentage               |   |      |       |            |          |              |       |   |           |       | 104.59%   |      |       |       |   |   |   |

| X                                                                                                                                                                                                                                                                                          |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Debt Instrument, Debt Default, Amount Due Upon Default
+ References
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| X                                                                                                                                                                                                                                                                                     |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Debt Instrument, Debt Default, Default Rate, Percentage
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                    |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Private Debt Issuance Sale, Number of Institutional Investors
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                 |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Percentage points added to the reference rate to compute the variable rate on the debt instrument.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Face (par) amount of debt instrument at time of issuance.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Contractual interest rate for funds borrowed, under the debt agreement.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.
+ References
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.
+ References
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