Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net income (loss):	$ (2,379)	$ 28	$ 574
Other comprehensive income (loss) before tax:
Changes in unrealized gains (losses)	548	1,245	(612)
Reclassification adjustments included in net income (loss)	6	28	67
Net change	554	1,273	(545)
Cash flow hedges:
Changes in unrealized gains (losses)	632	440	(431)
Reclassification adjustments included in net income (loss)	(688)	(307)	354
Net change	(56)	133	(77)
Other comprehensive income (loss) before tax	498	1,406	(622)
Income tax expense (benefit) related to components of other comprehensive income (loss)	114	198	(94)
Other comprehensive income (loss), net of taxes	384	1,208	(528)
Comprehensive income (loss)	$ (1,995)	$ 1,236	$ 46