Summary of Significant Accounting Policies - Summary of the Calculation of Basic and Diluted EPS (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Accounting Policies [Abstract]
Net income (loss) resulting from operations available to common stockholders	$ (13,643)	$ 1,228
Weighted average common shares outstanding applicable to basic EPS	24,401,773	24,288,263
Effect of dilutive stock options		17,423
Effect of restricted stock grants		311,204
Adjusted weighted average common shares outstanding applicable to diluted EPS	24,401,773	24,616,890
Basic income (loss) per share	$ (0.56)	$ 0.05
Diluted income (loss) per share	$ (0.56)	$ 0.05