Quarterly report pursuant to Section 13 or 15(d)

Borrowings (Senior Secured Revolving Credit Facility) (Details)

v2.4.0.8
Borrowings (Senior Secured Revolving Credit Facility) (Details) (USD $)
0 Months Ended 6 Months Ended
May 10, 2013
Jun. 30, 2013
Dec. 31, 2012
Jun. 30, 2013
Regions Bank [Member]
Jun. 30, 2013
Minimum [Member]
Regions Bank [Member]
Jun. 30, 2013
Maximum [Member]
Regions Bank [Member]
Jun. 30, 2013
Revolving Credit Facility [Member]
Dec. 31, 2012
Revolving Credit Facility [Member]
Jun. 30, 2013
Revolving Credit Facility [Member]
Regions Bank [Member]
Line of Credit Facility [Line Items]                  
Maximum borrowing capacity                 $ 200,000,000
Credit Facility borrowing base                 75,000,000
Amount allowed for payment of debt and dividends 5,500,000                
Principal outstanding   96,961,000 106,961,000       0 10,000,000  
Basis Spread on LIBOR (as a percent)         2.50% 3.00%      
Unused capacity, commitment fee (as a percent)       0.50%          
Balance outstanding on the Credit Facility                 $ 0