Earnings per Share (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Income from continuing operations	$ 26,373		$ 24,457		$ 36,869	$ 34,359
(Loss) Income from discontinued operations	(424)		2,835		1,842	4,992
Net income available to common stockholders	$ 25,949	$ 12,762	$ 27,292	$ 12,059	$ 38,711	$ 39,351
Weighted average basic shares outstanding (in shares)	32,790,000		32,605,000		32,791,000	32,596,000
Common stock options and restricted stock (in shares)	266,000		255,000		280,000	272,000
Weighted average shares outstanding, diluted (in shares)	33,056,000		32,860,000		33,071,000	32,868,000
Common shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from earnings per share calculation (in shares)	52,000		77,000		0	47,000