Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income per share
Strike price of the warrant transactions (in dollars per share)	$ 80.91
Numerator:
Net earnings	$ 16,948	$ 25,616
After-tax interest expense for 2023 Notes	892	887
Numerator for dilutive earnings per share	$ 17,840	$ 26,503
Denominator:
Weighted average shares outstanding, basic (in shares)	54,380,947	53,330,837
Effect of dilutive securities:
Stock options, RSU and SAR (in shares)	1,289,321	1,291,782
Convertible notes	6,783,936	6,783,936
Weighted average shares outstanding, diluted (in shares)	62,454,204	61,406,555
Earnings per share, basic (in dollars per share)	$ 0.31	$ 0.48
Earnings per share, diluted (in dollars per share)	0.29	$ 0.43
Convertible Debt
Income per share
Conversion price, per share of common stock (in dollars per share)	$ 59.33
Stock options, RSUs, PSUs
Income per share
Common stock equivalents excluded in the calculation of diluted income per share (in shares)	240,398	1,067,231