Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 5,344	$ 5,193	$ 17,551	$ 14,447
Other comprehensive (loss)/gain:
Unrealized derivative gains/(loss) on cash flow hedges	471	234	3,259	(5,709)
Total other comprehensive gains/(loss):	471	234	3,259	(5,709)
Total comprehensive income	$ 5,815	$ 5,427	$ 20,810	$ 8,738