Earning Per Common Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Numerator for basic and diluted earnings (loss) per common share:
Income from continuing operations	$ 16,578	$ 3,754	$ 23,543	$ 17,773
Loss from discontinued operations	(9,748)	(690)	(18,056)	(1,455)
Net income	$ 6,830	$ 3,064	$ 5,487	$ 16,318
Denominator:
Weighted average shares outstanding (in shares)	10,562	10,420	10,533	10,406
Denominator for basic earnings per common share (in shares)	10,562	10,420	10,533	10,406
Effect of dilutive securities:
Other stock compensation plans (in shares)	97	254	121	225
Dilutive potential common shares (in shares)	97	254	121	225
Denominator for diluted earnings (loss) per common share - adjusted weighted average shares outstanding (in shares)	10,659	10,674	10,654	10,631
Basic earnings (loss) per common share:
From continuing operations (usd per share)	$ 1.57	$ 0.36	$ 2.24	$ 1.71
Basic earnings per common share from discontinuing operations (usd per share)	(0.92)	(0.07)	(1.72)	(0.14)
Basic earnings per common share (usd per share)	0.65	0.29	0.52	1.57
Diluted earnings (loss) per common share:
From continuing operations (usd per share)	1.56	0.35	2.21	1.67
Diluted earnings per common share from discontinuing operations (usd per share)	(0.92)	(0.06)	(1.69)	(0.14)
Diluted earnings per common share (usd per share)	$ 0.64	$ 0.29	$ 0.52	$ 1.53
Anti-dilutive shares (in shares)	0