v2.4.1.9
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Statement of Comprehensive Income [Abstract]      
Changes in available-for-sale securities, tax effect $ 175us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax $ (367)us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax $ (3)us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
Changes in interest rate swap, tax effect $ 0us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax $ 0us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax $ 35us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax