Stockholders' Equity - Schedule of Warrants Outstanding (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Number of Shares
Outstanding at beginning of period (in shares)	49,600
Outstanding at end of period (in shares)	105,966	49,600
Weighted Average Fair Value Per Share
Outstanding at beginning of period (in dollars per share)	$ 12.00
Outstanding at end of period (in dollars per share)	$ 12.57	$ 12.00
Warrants to purchase common stock
Number of Shares
Outstanding at beginning of period (in shares)	278,800
Exercised (in shares)	0
Forfeited (in shares)	0
Outstanding at end of period (in shares)	278,800	278,800
Exercisable (in shares)	278,800
Weighted Average Fair Value Per Share
Outstanding at beginning of period (in dollars per share)	$ 9.72
Exercised (in dollars per share)	0
Forfeited (in dollars per share)	0
Outstanding at end of period (in dollars per share)	9.72	$ 9.72
Exercisable (in dollars per share)	$ 9.72
Weighted- average Remaining Contractual Term (years)
Outstanding	2 years 9 months 3 days	3 years 6 months 3 days
Exercisable weighted average remaining contractual terms	2 years 9 months 3 days
Aggregate Intrinsic Value
Outstanding	$ 4,465,912	$ 1,164
Exercisable aggregate intrinsic value	$ 4,465,912