Earnings Per Share (Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income (numerator) [Abstract]
Net earnings (loss) available to common shareholders	$ 30,604	$ 28,261	$ 89,972	$ 83,661
Diluted earnings (loss) per share, Net income (loss) available to common shareholders	$ 30,604	$ 28,261	$ 89,972	$ 83,661
Shares (denominator) [Abstract]
Basic earnings (loss) per share, Net income (loss) available to common shareholders (in shares)	56,429,425	57,198,778	56,782,524	57,221,174
Effect of dilutive securities, Common stock options and restricted stock units (in shares)	578,799	1,429,528	728,462	1,710,972
Diluted earnings (loss) per share, Net income (loss) available to common shareholders (in shares)	57,008,224	58,628,306	57,510,986	58,932,146
Per share amount [Abstract]
Basic earnings (loss) per share, Net income (loss) available to common shareholders (in dollars per share)	$ 0.54	$ 0.49	$ 1.58	$ 1.46
Effect of dilutive securities, Common stock options and restricted stock units (in dollars per share)		(0.01)	(0.02)	(0.04)
Net income per share - diluted	$ 0.54	$ 0.48	$ 1.56	$ 1.42
Continuing Operations [Member]
Income (numerator) [Abstract]
Net earnings (loss) available to common shareholders		$ 28,195		$ 83,413
Diluted earnings (loss) per share, Net income (loss) available to common shareholders		$ 28,195		$ 83,413
Shares (denominator) [Abstract]
Basic earnings (loss) per share, Net income (loss) available to common shareholders (in shares)		57,198,778		57,221,174
Effect of dilutive securities, Common stock options and restricted stock units (in shares)		1,429,528		1,710,972
Diluted earnings (loss) per share, Net income (loss) available to common shareholders (in shares)		58,628,306		58,932,146
Per share amount [Abstract]
Basic earnings (loss) per share, Net income (loss) available to common shareholders (in dollars per share)		$ 0.49		$ 1.45
Effect of dilutive securities, Common stock options and restricted stock units (in dollars per share)		(0.01)		(0.04)
Net income per share - diluted		$ 0.48		$ 1.41
Discontinued Operations [Member]
Income (numerator) [Abstract]
Net earnings (loss) available to common shareholders		$ 66		$ 248
Diluted earnings (loss) per share, Net income (loss) available to common shareholders		$ 66		$ 248
Shares (denominator) [Abstract]
Basic earnings (loss) per share, Net income (loss) available to common shareholders (in shares)		57,198,778		57,221,174
Effect of dilutive securities, Common stock options and restricted stock units (in shares)		1,429,528		1,710,972
Diluted earnings (loss) per share, Net income (loss) available to common shareholders (in shares)		58,628,306		58,932,146
Per share amount [Abstract]
Basic earnings (loss) per share, Net income (loss) available to common shareholders (in dollars per share)				$ 0.01
Net income per share - diluted				$ 0.01