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Earnings Per Share - Reconciliation of Basic and Diluted Earnings (Loss) Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Net income	$ 3,407	$ 1,093	$ 799	$ (374)	$ 4,500	$ 425
Income allocated to noncontrolling interest	(21)		(10)		(28)	(8)
Net income allocable to common shares	$ 3,386		$ 789		$ 4,472	$ 417
Weighted-average shares outstanding—Basic	102,023,204		94,435,722		101,847,876	92,646,891
Weighted-average shares outstanding—Diluted	102,923,924		95,092,860		102,822,099	93,550,425
Earnings per share—Basic	$ 0.03		$ 0.01		$ 0.04	$ 0.00
Earnings per share—Diluted	$ 0.03		$ 0.01		$ 0.04	$ 0.00

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