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
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net income	$ 4,779	$ 4,918
Denominator:
Weighted average common shares outstanding – basic	51,910,572	49,109,237
Net income per share attributable to common stockholders – basic: (in usd per share)	$ 0.09	$ 0.10
Numerator:
Net income attributable to common stockholders - diluted	$ 4,779	$ 4,918
Denominator:
Weighted average common shares outstanding – basic	51,910,572	49,109,237
Options to purchase common stock (in shares)	4,926,804	7,675,321
Restricted stock (in shares)	4,348	0
Weighted average shares outstanding – diluted	46,455	0
Weighted average shares outstanding – diluted	56,888,179	56,784,558
Net income per share attributable to common stockholders – diluted (in usd per share)	$ 0.08	$ 0.09