Stock-Based Compensation - Summary of Unvested RSU Award Activity (Details) - Restricted Stock Units	12 Months Ended
	Dec. 31, 2020 $ / shares shares
Shares
Beginning period (in shares) | shares	1,107,796
Granted (shares) | shares	859,100
Forfeited (in shares) | shares	(1,083)
Vested (shares) | shares	(914,905)
End period (in shares) | shares	1,050,908
Weighted-Average Grant Date Fair Value
Beginning of period (in dollars per share) | $ / shares	$ 6.60
Granted (in dollars per share) | $ / shares	5.07
Forfeited (in dollars per share) | $ / shares	5.19
Vested (in dollars per share) | $ / shares	6.37
End of period (in dollars per share) | $ / shares	$ 5.55