Earnings Per Share - Components of Diluted Earnings (Loss) per Share (Details) - USD ($) $ / shares in Units, $ 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
Net (loss) income	$ (7,835)	$ (3,757)	$ 3,289	$ (840)	$ (11,592)	$ 2,449
Amortization of preferred stock issuance costs	0	$ (42)	(52)	$ (51)	(42)	(103)
Net (loss) income attributable to common stockholders	(7,835)		3,237		(11,634)	2,346
Add back amortization of preferred stock issuance costs	0		52		0	103
Numerator for diluted EPS – net (loss) income available to common stockholders after assumed conversions	$ (7,835)		$ 3,289		$ (11,634)	$ 2,449
Denominator
Weighted average common stock outstanding – basic (shares)	1,629,285		1,589,492		1,622,497	1,585,775
Stock options, treasury method (in shares)	0		13,554		0	13,867
Restricted stock, treasury stock method (in shares)	0		17,198		0	30,621
Preferred stock, if converted method (in shares)	0		200,000		0	200,000
Weighted average common stock outstanding – diluted (shares)	1,629,285		1,820,244		1,622,497	1,830,263
(Loss) earnings per basic common share (usd per share)	$ (4.81)		$ 2.04		$ (7.17)	$ 1.48
(Loss) earnings per diluted common share (usd per share)	$ (4.81)		$ 1.81		$ (7.17)	$ 1.34