Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Supplemental Cash Flow Elements [Abstract]
Cash paid for interest		$ 2,671	$ 369
Cash paid for federal and state income taxes		2,472	1,827
Cash refund for net operating loss (NOL) carryback under CARES Act		0	6,907
Non-cash transactions:
Change in accounts payable related to property and equipment additions		52	0
Property and equipment acquired under finance leases		17,632	4,353
Issuance of shares for acquisition (see Note 6)	$ 425	$ 0	$ 1,364