Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Treasury Stock [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2019	$ 131,647	$ (335)	$ (2,281)	$ 179,321	$ 308,352
Net income (loss)	0	0	0	(5,595)	(5,595)
Payment of dividends	0	0	0	(885)	(885)
Stock-based compensation	735	480		0	1,215
Stock repurchase	0	(145)	0	0	(145)
Change in fair value of hedges	0	0	(1,934)	0	(1,934)
Other	0	0	0	2	2
Balance at Dec. 31, 2020	132,382	0	(4,215)	172,843	301,010
Net income (loss)	0	0	0	121,051	121,051
Payment of dividends	0	0	0	(886)	(886)
Stock-based compensation	1,045	0	0	0	1,045
Change in fair value of hedges	0	0	2,220	0	2,220
Other	0	0	(1)	0	(1)
Balance at Dec. 31, 2021	133,427	0	(1,996)	293,008	424,439
Net income (loss)	0	0	0	90,931	90,931
Payment of dividends	0	0	0	(4,006)	(4,006)
Stock-based compensation	1,297	0	0	0	1,297
Change in fair value of hedges	0	0	3,307	0	3,307
Balance at Dec. 31, 2022	$ 134,724	$ 0	$ 1,311	$ 379,933	$ 515,968