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Earnings per Common Share (sharecounts in thousands) - Details of earnings per share calculations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Net income (loss)	$ (3,097)	$ (7,201)	$ (9,350)	$ 5,214	$ (13,773)	$ (975)	$ (6,685)	$ (9,151)	$ (14,434)	$ (30,584)	$ (5,455)
Weighted average common shares outstanding:
Basic (in shares)									40,143	39,614	40,035
Incremental shares with dilutive effect:
Restricted stock awards (in shares)									0	0	0
Diluted (in shares)									40,143	39,614	40,035
Basic (in dollars per share)	$ (0.08)	$ (0.18)	$ (0.23)	$ 0.13	$ (0.36)	$ (0.02)	$ (0.17)	$ 0.23	$ (0.36)	$ (0.77)	$ (0.14)
Diluted (in dollars per share)	$ (0.08)	$ (0.18)	$ (0.23)	$ 0.13	$ (0.36)	$ (0.02)	$ (0.17)	$ 0.23	$ (0.36)	$ (0.77)	$ (0.14)

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