Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 79,795	$ 55,516	$ 63,289
Other comprehensive income (loss): cash flow hedge adjustment	254	324
Other comprehensive income (loss): cash flow hedge adjustment			285
Comprehensive income	$ 80,049	$ 55,840	$ 63,574