Loss Per Common Share - Summary of Reconciliation of Earnings (Loss) Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Basic Loss per Common Share:
Net loss attributable to common shares — basic	$ (17,781)	$ (8,222)
Weighted average common shares outstanding — basic	17,344	16,333
Loss per common share — basic	$ (1.03)	$ (0.50)
Diluted Loss per Common Share:
Net loss attributable to common shares — diluted	$ (17,781)	$ (8,222)
Weighted average common shares outstanding — diluted	17,344	16,333
Loss per common share — diluted	$ (1.03)	$ (0.50)