Unaudited Consolidated Statements of Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues:
Total revenues	$ 241,713	$ 175,112	$ 472,952	$ 340,093
Costs and operating expenses:
Selling, general and administrative expenses	865	1,050	1,771	1,088
Amortization of intangible assets	4,437	4,603	9,173	8,891
Total costs and operating expenses	227,562	187,826	446,887	343,204
Operating income (loss)	14,151	(12,714)	26,065	(3,111)
Interest expense, net	3,872	2,666	7,481	5,696
Income (loss) before income taxes	10,279	(15,380)	18,584	(8,807)
Provision for income taxes	2,731	(3,014)	4,792	(1,552)
Net income (loss)	$ 7,548	$ (12,366)	$ 13,792	$ (7,255)
Basic earnings per share (in dollars per share)	$ 0.59	$ (0.97)	$ 1.08	$ (0.59)
Basic weighted average shares outstanding (in shares)	12,778,355	12,702,366	12,760,026	12,391,166
Diluted earnings per share (in dollars per share)	$ 0.59	$ (0.97)	$ 1.08	$ (0.59)
Diluted weighted average shares outstanding (in shares)	12,811,078	12,702,366	12,807,249	12,391,166
Dividends declared per share (in dollars per share)	$ 0.10	$ 0.09	$ 0.20	$ 0.18
Products
Revenues:
Total revenues	$ 143,576	$ 84,463	$ 280,807	$ 163,043
Costs and operating expenses:
Costs and operating expenses	130,978	101,325	253,433	172,037
Services
Revenues:
Total revenues	98,137	90,649	192,145	177,050
Costs and operating expenses:
Costs and operating expenses	$ 91,282	$ 80,848	$ 182,510	$ 161,188