Stock-Based Compensation - Outstanding Stock Options (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding, shares	131,253
Outstanding (in dollars per share)	$ 16.91
Outstanding, remaining term	2 years 3 months 18 days
Outstanding, intrinsic value	$ 0
Vested and expected to vest, shares	131,253
Vested and expected to vest (in dollars per share)	$ 16.91
Vested and expected to vest, remaining term	2 years 3 months 18 days
Vested and expected to vest, intrinsic value	$ 0
Exercisable, shares	131,253
Exercisable (in dollars per share)	$ 16.91
Exercisable, remaining term	2 years 3 months 18 days
Exercisable, intrinsic value	$ 0
Options exercises in period, intrinsic value	100,000
Proceeds from stock options exercised	400,000
Options, vested in period, fair value	$ 0	$ 0	$ 0
Zero to Ten Dollars
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding, shares	54,330
Outstanding (in dollars per share)	$ 7.49
Outstanding, remaining term	4 years 4 months 24 days
Ten Dollars to Twenty Dollars
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding, shares	14,634
Outstanding (in dollars per share)	$ 16.28
Outstanding, remaining term	10 months 24 days
Twenty Dollars to Thirty Dollars
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding, shares	62,289
Outstanding (in dollars per share)	$ 25.27
Outstanding, remaining term	8 months 12 days