v2.4.1.9
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Statement of Comprehensive Income [Abstract]    
Net income $ 29,774us-gaap_NetIncomeLoss $ 21,453us-gaap_NetIncomeLoss
Other comprehensive income (loss):    
Change in fair value of interest rate swap (72)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax (95)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
Net loss reclassified into income on settlement of interest rate swaps 267us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax 268us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
Other comprehensive income (loss) 195us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent 173us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
Total comprehensive income $ 29,969us-gaap_ComprehensiveIncomeNetOfTax $ 21,626us-gaap_ComprehensiveIncomeNetOfTax