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Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Earnings (Loss) Per Share, Basic and Diluted [Abstract]
Net income (loss) available to common stockholders	$ 3,390	$ 3,924	$ 807	$ 3,551	$ 7,416	$ 3,737	$ 4,630	$ 3,559	$ 11,672	$ 19,342
Average common shares outstanding (shares)									15,594,883	17,434,780
Less:
Unvested restricted stock shares (shares)									0	(435)
Weighted average common shares outstanding (shares)									15,594,883	17,434,345
Basic earnings (loss) per common share (usd per share)	$ 0.22	$ 0.26	$ 0.05	$ 0.22		$ 0.22	$ 0.26	$ 0.20	$ 0.75	$ 1.11

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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