Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Shares not included in computation of diluted weighted average earnings per common (in shares)	0	200,000	0	0
Net (loss) income attributable to common shareholders	$ (774)	$ 4,540	$ (2,928)	$ 7,995
Basic weighted average common shares outstanding (in shares)	6,218,000	6,016,000	6,107,000	5,938,000
Potentially dilutive common shares (in shares)	0	87,000	0	175,000
Diluted weighted average common shares outstanding (in shares)	6,218,000	6,103,000	6,107,000	6,113,000
Basic weighted average (loss) earnings per common share (in dollars per share)	$ (0.12)	$ 0.75	$ (0.48)	$ 1.35
Diluted weighted average (loss) earnings per common share (in dollars per share)	$ (0.12)	$ 0.74	$ (0.48)	$ 1.31