Share-Based Compensation - Cash-settled Restricted Stock Activity (Details) - Cash-settled Restricted Stock	3 Months Ended
	Mar. 31, 2022 $ / shares shares
Shares
Unvested, Beginning balance (in shares) | shares	57,949
Granted (in shares) | shares	21,645
Vested (in shares) | shares	(17,724)
Forfeited (in shares) | shares	(1,820)
Unvested, Ending balance (in shares) | shares	60,050
Weighted-Average Grant Date Fair Value
Unvested, Beginning balance (in dollars per share) | $ / shares	$ 236.32
Granted (in dollars per share) | $ / shares	189.24
Vested (in dollars per share) | $ / shares	192.27
Forfeited (in dollars per share) | $ / shares	191.73
Unvested, Ending balance (in dollars per share) | $ / shares	$ 191.73