Earnings Per Common Share - Schedule of Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Numerator: Net loss	$ (23,044)	$ (6,355)
Denominator:
Weighted average shares—basic (in shares)	15,754,000	15,550,000
Common stock equivalents (in shares)	0	0
Weighted average shares—diluted (in shares)	15,754,000	15,550,000
Loss per common share:
Net loss per basic common share (usd per share)	$ (1.46)	$ (0.41)
Net loss per diluted common share (usd per share)	$ (1.46)	$ (0.41)
Antidilutive stock-based awards excluded (in shares)	394,000	463,000