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Earnings Per Common Share - Reconciliation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Numerator for basic and diluted earnings per share:
Net income	$ 2,285	$ 7,831	$ 4,558	$ 4,011	$ 10,116	$ 8,569
Less net income attributable to non-controlling interests	(1)		(446)		(6)	(486)
Less earnings allocated to unvested restricted stock	(316)		(310)		(632)	(620)
Net income available for common stockholders: basic and diluted	$ 1,968		$ 3,802		$ 9,478	$ 7,463
Denominator for basic earnings per share:
Weighted average number of common shares	19,445		19,023		19,403	18,959
Weighted average number of common shares issued through stock dividend	60				30
Effect of diluted securities:
RSUs			106			101
Denominator for diluted earnings per share:
Weighted average number of shares	19,505		19,129		19,433	19,060
Earnings per common share, basic (in dollars per share)	$ 0.10		$ 0.20		$ 0.49	$ 0.39
Earnings per common share, diluted (in dollars per share)	$ 0.10		$ 0.20		$ 0.49	$ 0.39

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