|
Revolving Credit Facility (Details) (USD $)
|
9 Months Ended | |
|---|---|---|
|
Sep. 30, 2013
|
Dec. 31, 2012
|
|
| Line of Credit Facility [Line Items] | ||
| Borrowings outstanding under revolving credit facility | $ 0 | $ 0 |
| Fees associated with unused portion of committed amount | 0 | |
| Actual net worth for compliance | 161,900,000 | |
| Minimum net worth required for compliance | 95,000,000 | |
| Ratio of total liability to net worth | 0.36 | |
| Maximum ratio of total liability to net worth for compliance | 2 | |
| Actual working capital for compliance | 66,000,000 | |
| Minimum working capital for compliance | 40,000,000 | |
|
Revolving Credit Facility [Member]
|
||
| Line of Credit Facility [Line Items] | ||
| Credit facility maximum borrowings | 30,000,000.0 | |
| Standby letter of credit | 900,000 | |
| Borrowings available under the revolving credit facility | $ 29,100,000 | |
| Frequency of periodic payment | monthly | |
| Description of variable rate basis | LIBOR | |
| Stated percentage | 2.50% | |
| Weighted average interest rate | 2.69% | 2.80% |
| X | ||||||||||
|
- Definition
Actual Net Worth for Compliance No definition available.
|
| X | ||||||||||
|
- Definition
Actual Working Capital for Compliance No definition available.
|
| X | ||||||||||
|
- Definition
Amount of standby letter of credit outstanding under the revolving credit agreement. No definition available.
|
| X | ||||||||||
|
- Definition
Maximum Ratio of Total Liability to Net Worth Required for Compliance No definition available.
|
| X | ||||||||||
|
- Definition
Minimum Working Capital Required for Compliance No definition available.
|
| X | ||||||||||
|
- Definition
Ratio of Total Liability to Net Worth No definition available.
|
| 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. No definition available.
|
| X | ||||||||||
|
- Definition
Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Weighted average interest rate of debt outstanding. No definition available.
|
| X | ||||||||||
|
- Definition
Amount borrowed under the credit facility as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of the fee for available but unused credit capacity under the credit facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Description of the frequency of periodic payments, which may be presented in a variety of ways (for example, monthly, quarterly, annually). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The lowest amount of net worth (total assets minus total liabilities) required by secondary market investors or state-imposed regulatory mandates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|