Stock Based Compensation - Restricted Stock Units Activity (Details) - Employees - Restricted Stock Units (RSUs)	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Restricted Stock Units
Restricted stock units, non-vested beginning balance (in shares) | shares	30,000
Restricted stock units, granted (in shares) | shares	119,000
Restricted stock units, vested (in shares) | shares	(8,126)
Restricted stock units, forfeited (in shares) | shares	(29,000)
Restricted stock units, non-vested ending balance (in shares) | shares	111,874
Weighted- Average Grant Date Fair Value
Weighted-average grant date fair value, non-vested, beginning balance (in dollars per share) | $ / shares	$ 51.98
Weighted-average grant date far value, granted (in dollars per share) | $ / shares	28.64
Weighted-average grant date far value, vested (in dollars per share) | $ / shares	51.98
Weighted-average grant date far value, forfeited (in dollars per share) | $ / shares	28.39
Weighted-average grant date fair value, non-vested, ending balance (in dollars per share) | $ / shares	$ 33.27