Earnings (Loss) Per Share - Reconciliation of Number of Common Shares Used in Calculation of Basic and Diluted Earnings Per Share (EPS) (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Antidilutive securities (in shares)	702,202	565,398	702,202	565,398
Earnings Per Share, Basic and Diluted [Abstract]
Basic (loss) earnings per share (in shares)	17,333,996	16,966,928	17,323,479	16,902,390
Effect of dilutive securities (in shares)	0	297,714	0	307,664
Diluted (loss) earnings (in shares)	17,333,996	17,264,642	17,323,479	17,210,054
Basic (loss) earnings (in dollars per share)	$ (0.37)	$ 0.07	$ (0.36)	$ 0.10
Effect of dilutive securities (in dollars per share)	0	0	0	0
Diluted (loss) earnings (in dollars per share)	$ (0.37)	$ 0.07	$ (0.36)	$ 0.10