CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 19,647	$ 17,122	$ 55,127	$ 52,399
Reclassification adjustment (Note 6)	(9)	(9)	(26)	(27)
Comprehensive income	$ 19,638	$ 17,113	$ 55,101	$ 52,372