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Other Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Other Assets [Line Items]    
Income tax receivables $ 3,836 $ 7,473
Prepaid professional fees 3,680 3,695
Prepaid loan fees 7,213 7,738
Prepaid bank fees 631 657
Deposits in lieu of bonds and letters of credit 7,817 6,439
Prepaid insurance 1,444 1,970
Other 1,804 1,048
Total other assets, net $ 26,425 $ 29,020