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, 2021	Mar. 31, 2020
Numerator:
Net income	$ 4,918	$ 904
Denominator:
Weighted average common shares outstanding – basic	49,109,237	10,092,152
Net income per share attributable to common stockholders – basic: (in usd per share)	$ 0.10	$ 0
Denominator:
Weighted average common shares outstanding – basic	49,109,237	10,092,152
Weighted average shares outstanding – diluted	56,784,558	13,473,917
Net income per share attributable to common stockholders – diluted (in usd per share)	$ 90.00	$ 0
Class A
Numerator:
Net income	$ 704,000	$ 0
Less: Undistributed earnings allocated to participating securities	0	0
Reallocation of net income attributable to common stockholders	(18,000)	0
Net income attributable to common stockholders – basic	$ 686,000	$ 0
Denominator:
Weighted average common shares outstanding – basic	6,853,805	0
Net income per share attributable to common stockholders – basic: (in usd per share)	$ 0.10	$ 0
Numerator:
Net income attributable to common stockholders - diluted	$ 613,000	$ 0
Denominator:
Weighted average common shares outstanding – basic	6,853,805	0
Options to purchase common stock (in shares)	228,868	0
Warrants to purchase common stock (in shares)	0	0
Weighted average shares outstanding – diluted	7,082,673	0
Net income per share attributable to common stockholders – diluted (in usd per share)	$ 0.09	$ 0
Class B
Numerator:
Net income	$ 4,214,000	$ 904,000
Less: Undistributed earnings allocated to participating securities	0	(904,000)
Reallocation of net income attributable to common stockholders	18,000	0
Net income attributable to common stockholders – basic	$ 4,232,000	$ 0
Denominator:
Weighted average common shares outstanding – basic	42,255,432	10,092,152
Net income per share attributable to common stockholders – basic: (in usd per share)	$ 0.10	$ 0
Numerator:
Net income attributable to common stockholders - diluted	$ 4,305,000	$ 0
Denominator:
Weighted average common shares outstanding – basic	42,255,432	10,092,152
Options to purchase common stock (in shares)	7,446,453	3,367,216
Warrants to purchase common stock (in shares)	0	14,549
Weighted average shares outstanding – diluted	49,701,885	13,473,917
Net income per share attributable to common stockholders – diluted (in usd per share)	$ 0.09	$ 0