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Condensed Consolidated Statements of Other Comprehensive Income (USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Net income$ 3,314$ 4,757$ 38,462$ 16,273
Other comprehensive income:    
Unrealized gain on derivative financial instruments 26094341
Amortized gain on derivative financial instruments385 921 
Total other comprehensive income3852601,015341
Comprehensive income$ 3,699$ 5,017$ 39,477$ 16,614