Earnings Per Share - Computation of Basic and Diluted Earnings Per Share for Continuing Operations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Numerator:
Income (loss) from continuing operations	$ 70,911	$ 78,347	$ 71,049
Basic
Weighted average common shares outstanding	52,637	54,288	54,299
Diluted
Stock options (in shares)	683	802	1,288
Restricted stock awards (in shares)	192	195	234
Contingent shares	0	74	74
Performance share units (in shares)	211	0	0
Diluted weighted average common shares outstanding (3)	53,723	55,359	55,895
Earnings Per Share:
Basic earnings per share from continuing operations (in dollars per share)	$ 1.35	$ 1.44	$ 1.31
Diluted earnings per share from continuing operations (in dollars per share)	$ 1.32	$ 1.42	$ 1.27
Share-based Payment Arrangement
Dilutive Securities Included And Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Share based awards excluded from the calculation of diluted earnings per share (in shares)	23	253	482
Performance Shares
Dilutive Securities Included And Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Share based awards excluded from the calculation of diluted earnings per share (in shares)	300	300