(Loss) Earnings Per Share - Reconciliation of Number of Common Shares Used in Calculation of Basic and Diluted Earnings Per Share (EPS) (Details) - $ / shares	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	Dec. 31, 2017
Earnings Per Share [Abstract]
Basic ((loss) EPS (in shares)									17,383,415	17,043,167	16,711,534
Effect of dilutive securities (in shares)									0	305,289	0
Diluted (loss) EPS (in shares)									17,383,415	17,348,456	16,711,534
Securities excluded from the determination of weighted average shares for the calculation of diluted earnings (loss) per share, as they were antidilutive (in shares)									886,274	393,970	1,049,563
Basic earnings (loss) per share (in dollars per share)	$ (2.85)	$ (0.36)	$ (0.37)	$ 0.01	$ 0.33	$ (0.15)	$ 0.07	$ 0.03	$ (3.58)	$ 0.29	$ (0.87)
Effect of dilutive securities (in dollars per share)									0	0	0
Diluted earnings (loss) per share (in dollars per share)	$ (2.85)	$ (0.36)	$ (0.37)	$ 0.01	$ 0.33	$ (0.15)	$ 0.07	$ 0.03	$ (3.58)	$ 0.29	$ (0.87)