Annual report pursuant to Section 13 and 15(d)

Organization and Operations Business Combination (Details)

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Organization and Operations Business Combination (Details) (USD $)
Dec. 31, 2011
Dec. 31, 2010
Oct. 28, 2009
Nov. 14, 2007
Business Combination, Separately Recognized Transactions [Line Items]        
Temporary Equity, Carrying Amount       $ 258,346,625
Common Stock of Capitol Acquisition Corp Coverted to Cash, Per Share     $ 9.87  
Cash and Cash Equivalents, at Carrying Value $ 360,016,000 $ 163,900,000 $ 124,000,000  
Book Value, Per Share     $ 9.30