Earnings Per Share (Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income (numerator) [Abstract]
Net earnings (loss) available to common shareholders	$ 28,966	$ 25,965
Diluted earnings (loss) per share, Net income (loss) available to common shareholders	$ 28,966	$ 25,965
Shares (denominator) [Abstract]
Basic earnings (loss) per share, Net income (loss) available to common shareholders (in shares)	57,115,903	57,372,337
Effect of dilutive securities, Common stock options and restricted stock units (in shares)	980,077	1,921,744
Diluted earnings (loss) per share, Net income (loss) available to common shareholders (in shares)	58,095,980	59,294,081
Per share amount [Abstract]
Basic earnings (loss) per share, Net income (loss) available to common shareholders (in dollars per share)	$ 0.51	$ 0.45
Effect of dilutive securities, Common stock options and restricted stock units (in dollars per share)	(0.01)	(0.01)
Net income per share - diluted	$ 0.50	$ 0.44
Continuing Operations [Member]
Income (numerator) [Abstract]
Net earnings (loss) available to common shareholders		$ 26,060
Diluted earnings (loss) per share, Net income (loss) available to common shareholders		$ 26,060
Shares (denominator) [Abstract]
Basic earnings (loss) per share, Net income (loss) available to common shareholders (in shares)		57,372,337
Effect of dilutive securities, Common stock options and restricted stock units (in shares)		1,921,744
Diluted earnings (loss) per share, Net income (loss) available to common shareholders (in shares)		59,294,081
Per share amount [Abstract]
Basic earnings (loss) per share, Net income (loss) available to common shareholders (in dollars per share)		$ 0.45
Effect of dilutive securities, Common stock options and restricted stock units (in dollars per share)		(0.01)
Net income per share - diluted		$ 0.44
Discontinued Operations [Member]
Income (numerator) [Abstract]
Net earnings (loss) available to common shareholders		$ (95)
Diluted earnings (loss) per share, Net income (loss) available to common shareholders		$ (95)
Shares (denominator) [Abstract]
Basic earnings (loss) per share, Net income (loss) available to common shareholders (in shares)		57,372,337
Effect of dilutive securities, Common stock options and restricted stock units (in shares)		1,921,744
Diluted earnings (loss) per share, Net income (loss) available to common shareholders (in shares)		59,294,081