Borrowings (Senior Secured Revolving Credit Facility) (Details) (USD $)
In Thousands, unless otherwise specified |
6 Months Ended | 0 Months Ended | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2012
|
Dec. 31, 2011
|
Jun. 30, 2012
Regions Bank [Member]
|
Jun. 30, 2012
Minimum [Member]
Regions Bank [Member]
|
Jun. 30, 2012
Maximum [Member]
Regions Bank [Member]
|
Jun. 30, 2012
Revolving Credit Facility [Member]
|
Dec. 31, 2011
Revolving Credit Facility [Member]
|
Jun. 30, 2012
Revolving Credit Facility [Member]
Regions Bank [Member]
|
Jun. 20, 2012
Revolving Credit Facility [Member]
Regions Bank [Member]
|
Jun. 19, 2012
Revolving Credit Facility [Member]
Regions Bank [Member]
|
Dec. 31, 2011
Revolving Credit Facility [Member]
Regions Bank [Member]
|
Aug. 08, 2012
Issuance of Debt [Member]
Revolving Credit Facility [Member]
Regions Bank [Member]
|
|
Line of Credit Facility [Line Items] | ||||||||||||
Current borrowing capacity | $ 200,000 | $ 60,000 | $ 45,000 | |||||||||
Credit Facility | 10,000 | 0 | 10,000 | 0 | ||||||||
Interest rate at period end (as a percent) | 2.75% | |||||||||||
Minimum borrowing base percentage rate (as a percent) | 0.50% | |||||||||||
Basis Spread on LIBOR (as a percent) | 2.50% | 3.00% | ||||||||||
Unused capacity, commitment fee (as a percent) | 0.50% | |||||||||||
Line of Credit Facility, Amount Outstanding | 28,000 | |||||||||||
Line of Credit Facility, Increase, Additional Borrowings | $ 18,000 |