Stockholders' Equity - Restricted Stock (Details) - $ / shares	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Time Based Restricted Stock Units
Number of Units
Outstanding at beginning of period (in shares)	12,829
Granted (in shares)	13,514	13,191
Adjustment for dividend (in shares)	121	47
Vested and distributed (in shares)	(3,391)
Forfeited (in share)	(813)	(409)
Outstanding at end of period (in shares)	22,260	12,829
Grant Date Fair Value
Outstanding at beginning of period (in per share)	$ 64.43
Granted (in per share)	68.68	$ 64.62
Vested and distributed (in per share)	63.97
Forfeited (in per share)	63.15	63.15
Outstanding at end of period (in per share)	$ 66.78	$ 64.43
Time Based Restricted Stock Units | Employee
Grant Date Fair Value
Vesting period	3 years
Time Based Restricted Stock Units | Non-employee directors.
Grant Date Fair Value
Vesting period	1 year
Performance Shares
Number of Units
Outstanding at beginning of period (in shares)	8,136
Granted (in shares)	7,999	8,508
Adjustment for dividend (in shares)	89	37
Forfeited (in share)	(1,219)	(409)
Outstanding at end of period (in shares)	15,005	8,136
Grant Date Fair Value
Outstanding at beginning of period (in per share)	$ 78.97
Granted (in per share)	100.19	$ 79.33
Forfeited (in per share)	79.33	79.33
Outstanding at end of period (in per share)	$ 89.79	$ 78.97
Performance Shares | Employee
Grant Date Fair Value
Vesting period	3 years