CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Revenues	$ 251,412	$ 239,610	$ 746,635	$ 742,673
Cost of revenues	224,570	209,466	672,531	647,040
Gross profit	26,842	30,144	74,104	95,633
Selling, general and administrative expenses	17,304	18,772	49,955	52,529
Operating income	9,538	11,372	24,149	43,104
Other (income) expense	1,924	(186)	2,798	(1,127)
Interest expense	2,813	1,630	6,892	9,489
Loss on extinguishment of debt	0	0	921	7,155
Income before provision for income taxes	4,801	9,928	13,538	27,587
Provision for income taxes	1,250	2,417	3,520	6,491
Net income	$ 3,551	$ 7,511	$ 10,018	$ 21,096
Earnings per Common Share:
Basic (in dollars per share)	$ 0.11	$ 0.24	$ 0.30	$ 0.67
Diluted (in dollars per share)	$ 0.11	$ 0.23	$ 0.30	$ 0.64
Weighted average shares outstanding:
Basic (in shares)	32,460	31,570	32,950	31,432
Diluted (in shares)	32,922	32,706	33,645	32,738