Earnings per Share - Schedule of Computation of Basic and Diluted Earnings per Share Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net income attributable to common stockholders	$ 2,072	$ 1,727
Denominator:
Weighted average common shares outstanding – basic	13,333,335	13,627,220
Weighted average common shares outstanding – diluted	13,418,734	13,653,069
Basic and Diluted Per Share Information:
Net income per share – basic	$ 0.16	$ 0.13
Net income per share – diluted	$ 0.15	$ 0.13