Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 55,516	$ 63,289	$ 53,095
Other comprehensive income (loss): cash flow hedge adjustment	324
Other comprehensive income (loss): cash flow hedge adjustment		285	(148)
Comprehensive income	$ 55,840	$ 63,574	$ 52,947