Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Mar. 31, 2018
Numerator:
Net earnings	$ 1,316	$ 60,711	$ 53,424
After-tax interest expense for 2023 Notes	0	3,556	0
Numerator for dilutive earnings per share	$ 1,316	$ 64,267	$ 53,424
Denominator:
Weighted average shares outstanding, basic (in shares)	54,536,281	53,665,143	53,099,330
Effect of dilutive securities:
Stock options, RSUs, and SARs (in shares)	970,547	1,230,721	1,257,414
Convertible notes (in shares)	0	6,783,936	0
Weighted average shares outstanding, diluted (in shares)	55,506,828	61,679,800	54,356,744
Earnings per share, basic (in dollars per share)	$ 0.02	$ 1.13	$ 1.01
Earnings per share, diluted (in dollars per share)	0.02	$ 1.04	$ 0.98
Strike price of the warrant transactions (in dollars per share)	80.91			$ 80.91
Convertible Debt
Effect of dilutive securities:
Conversion price (in dollars per share)	$ 59.33
Convertible Debt | Accounting Standards Update 2020-06
Effect of dilutive securities:
Convertible notes (in shares)	6,800,000
Stock options, RSUs, PSUs
Effect of dilutive securities:
Common stock equivalents excluded in the calculation of diluted income per share (in shares)	543,140	373,728	1,275,114
2023 Notes
Effect of dilutive securities:
Common stock equivalents excluded in the calculation of diluted income per share (in shares)	1,691,337	0	0