Share-Based Compensation - Stock Option Activity (Details)	12 Months Ended
	Dec. 31, 2020 USD ($) $ / shares shares
Number of Shares
Beginning balance (in shares) | shares	59,350
Exercised (in shares) | shares	(13,550)
Ending balance (in shares) | shares	45,800
Vested and Expected to Vest, Number of Shares | shares	45,800
Exercisable, Number of Shares | shares	45,800
Weighted-Average Exercise Price
Beginning balance (in dollars per share) | $ / shares	$ 13.51
Exercised (in dollars per share) | $ / shares	8.48
Ending balance (in dollars per share) | $ / shares	15.00
Vested and Expected to Vest, Weighted-Average Exercise Price (in dollars per share) | $ / shares	15.00
Exercisable, Weighted-Average Exercise Price (in dollars per share) | $ / shares	$ 15.00
Weighted Average Remaining Contractual Term
Outstanding	1 year 11 months 8 days
Vested and Expected to Vest	1 year 11 months 8 days
Exercisable	1 year 11 months 8 days
Aggregate Intrinsic Value
Outstanding | $	$ 1,026,578
Vested and Expected to Vest | $	1,026,578
Exercisable | $	$ 1,026,578