Net Income Per Share Attributable to Common Stockholders - Basic and Diluted Net Income per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net income	$ 7,819	$ 4,779	$ 9,921	$ 4,918	$ 12,598	$ 14,839
Denominator:
Weighted average common shares outstanding – basic	52,154,616		49,578,536		52,033,268	49,345,202
Net income per share attributable to common stockholders – basic: (in usd per share)	$ 0.15		$ 0.20		$ 0.24	$ 0.30
Numerator:
Net income attributable to common stockholders - diluted	$ 7,819		$ 9,921		$ 12,598	$ 14,839
Denominator:
Weighted average common shares outstanding – basic	52,154,616		49,578,536		52,033,268	49,345,202
Options to purchase common stock (in shares)	4,686,666		6,678,486		4,806,735	7,176,904
Restricted stock (in shares)	6,024		58,112		5,186	29,056
Weighted average shares outstanding – diluted	0		113,077		23,228	56,539
Weighted average shares outstanding – diluted	56,847,306		56,428,211		56,868,417	56,607,701
Net income per share attributable to common stockholders – diluted (in usd per share)	$ 0.14		$ 0.18		$ 0.22	$ 0.26