CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Amortization of cash flow hedge into income, tax	$ 55	$ 50	$ 109	$ 100
Change in fair value of cash flow hedge, tax	$ 117	$ 55	$ 2,498	$ 55