Stock-Based Compensation - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Mar. 31, 2021	Dec. 31, 2020
Shares
Beginning balance (in shares)	740,475		725,864	740,475	725,864
Options granted (in shares)	24,437
Options exercised (in shares)	0	(100,000)
Options forfeited (in shares)	(9,826)
Options outstanding, ending balance (in shares)	740,475		725,864
Options exercisable (in shares)				484,638
Weighted Average Exercise Price
Options outstanding, beginning balance (in dollars per share)	$ 13.25
Options granted (in dollars per share)	23.24
Options exercised (in dollars per share)	0
Options forfeited (in dollars per share)	3.89
Options outstanding, ending balance (in dollars per share)	$ 13.70		$ 13.25
Options exercisable (in dollars per share)				$ 7.26
Share Based Compensation Arrangement By Share Based Payment Award Options Weighted Average Remaining Contractual Term [Abstract]
Options outstanding	3 years 7 months 6 days		3 years 9 months
Options exercisable	2 years 14 days
Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract]
Options outstanding				$ 9,900	$ 3,400
Options exercisable				$ 7,800