CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 25,377	$ 22,180	$ 46,890	$ 42,038
Reclassification adjustment (Note 6)		(5)		(33)
Comprehensive income	$ 25,377	$ 22,175	$ 46,890	$ 42,005