CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 18,273	$ 12,903	$ 35,277	$ 25,879
Reclassification adjustment	(9)	(8)	(18)	(17)
Comprehensive income	$ 18,264	$ 12,895	$ 35,259	$ 25,862