Computation of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	100.00%	100.00%
Net (loss) earnings	$ (46,226)	$ 43,676	$ (70,434)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	0	0	692
Net (loss) earnings	$ (46,226)	$ 43,676	$ (69,742)
Basic:
Weighted average number of shares outstanding (in shares)	28,011,000	27,865,000	27,723,000
Income (Loss) from Continuing Operations, Per Basic Share	$ (1.65)	$ 1.57	$ (2.54)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	0.00	0.00	0.02
Earnings Per Share, Basic (in dollars per share)	$ (1.65)	$ 1.57	$ (2.52)
Diluted(1):
Weighted average number of shares outstanding (in shares)	28,011,000	27,865,000	27,723,000
Weighted average shares issuable on exercise of dilutive stock options (in shares)	0	26,000	0
Weighted average number of shares outstanding, diluted (in shares)	28,011,000	27,891,000	27,723,000
Income (Loss) from Continuing Operations, Per Diluted Share	$ (1.65)	$ 1.57	$ (2.54)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share	0.00	0.00	0.02
Diluted earnings per share (in dollars per share)	$ (1.65)	$ 1.57	$ (2.52)
2024 Notes
Diluted(1):
Aggregate shares to be issued upon conversion, convertible (in shares)	3,056,879
Equity awards granted to employees
Diluted(1):
Antidilutive securities excluded from computation of earnings per share (in shares)	714,474	567,741	597,904
Corporate stock
Diluted(1):
Weighted average shares issuable on exercise of convertible notes (in shares)	64,767		40,979
Stock Options
Diluted(1):
Share-based payment award, vesting period	5 years