Consolidated Statements Of Comprehensive Income (Loss) - 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 (Loss) [Abstract]
Net income	$ 15,527	$ 2,783	$ 21,326	$ 10,216
Other comprehensive income (loss): cash flow hedge adjustment	(68)	(113)	(190)	(314)
Comprehensive income	$ 15,459	$ 2,670	$ 21,136	$ 9,902