CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 15,117	$ 12,386	$ 28,189	$ 22,587
Hedging activity:
Interest rate swap settlements	(1,141)	(121)	(2,492)	(187)
Interest rate swap amounts reclassified into interest expense	1,156	30	2,513	(86)
Unrealized gain (loss) resulting from changes in fair value of derivative instruments	145	(656)	(8,731)	(4,990)
Other comprehensive income (loss), before tax	160	(747)	(8,710)	(5,263)
Income tax benefit related to items of other comprehensive income (loss)	0	0	(112)	0
Other comprehensive income (loss), net of tax	160	(747)	(8,598)	(5,263)
Comprehensive income	$ 15,277	$ 11,639	$ 19,591	$ 17,324