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		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Basic Loss per Common Share:
Net loss attributable to common shares — basic	$ (14,639)	$ (15,422)	$ (32,420)	$ (23,644)
Weighted average common shares outstanding — basic	19,539	16,430	18,448	16,382
Loss per common share — basic	$ (0.75)	$ (0.94)	$ (1.76)	$ (1.44)
Diluted Loss per Common Share:
Net loss attributable to common shares — diluted	$ (14,639)	$ (15,422)	$ (32,420)	$ (23,644)
Weighted average common shares outstanding — diluted	19,539	16,430	18,448	16,382
Loss per common share — diluted	$ (0.75)	$ (0.94)	$ (1.76)	$ (1.44)