Annual report pursuant to Section 13 and 15(d)

Equity Transactions (Details)

v2.4.0.6
Equity Transactions (Details) (USD $)
Share data in Millions, unless otherwise specified
 1 Months Ended 12 Months Ended 1 Months Ended
Feb. 28, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Jun. 30, 2012
Repayment of Debt [Member]
13% Senior Notes due 2016 [Member]
Senior Notes [Member]
Mar. 31, 2011
Repayment of Debt [Member]
13% Senior Notes due 2016 [Member]
Senior Notes [Member]
Feb. 28, 2011
Repayment of Debt [Member]
13% Senior Notes due 2016 [Member]
Senior Notes [Member]
Dec. 31, 2012
Repayment of Debt [Member]
13% Senior Notes due 2016 [Member]
Senior Notes [Member]
Debt Instrument [Line Items]                
Proceeds from issuance of common stock $ 73,720,000 $ 0 $ 73,765,000 $ 0        
Stock issued during period (in shares) 10.1              
Underwriters over-allotment of shares (in shares) 1.1              
Portion of Proceeds from Issuance of Common Stock Used to Repurchase Senior Notes 35,062,000              
Repayments of senior debt         10,000,000   31,000,000  
Repayment of Senior Notes Including Redemption Expenses   10,225,000 35,062,000 0 10,225,000 35,062,000    
Debt Instrument, Carrying Value Including Accelerated Amortization of Deferred Credit           37,004,000   11,591,000
Debt Instrument, Face Amount           31,000,000    
Gain on extinguishment of debt   1,366,000 1,942,000 (339,000) 1,366,000 1,974,000    
Accelerated Amortization of Deferred Credit           6,004,000   1,591,000
Redemption Premium           4,030,000    
Debt Instrument, Redemption Expenses         $ 225,000 $ 32,000