Equity Based Compensation Plans - Restricted Stock Activity and LITP Units (Details) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restricted Stock
Total Unvested Units
Unvested at beginning of year (in shares)	182,915	159,401	132,603	114,877
Granted (in shares)	72,838	50,349	45,196
Vested (in shares)	(44,945)	(22,387)	(15,116)
Forfeited and canceled (in shares)	(4,379)	(1,164)	(12,354)
Unvested at end of year (in shares)	182,915	159,401	132,603	114,877
Weighted- average grant price
Unvested at beginning of year (in dollars per share)	$ 251.03	$ 214.34	$ 197.62
Granted (in dollars per share)	215.73	337.52	248.16
Vested (in dollars per share)	306.25	229.90	170.61
Forfeited and canceled (in dollars per share)	272.12	219.30	184.11
Unvested at end of year (in dollars per share)	$ 222.90	$ 251.03	$ 214.34	$ 197.62
Long Term Incentive Plans - Z Units and 2014 LTIP Units
Total Unvested Units
Unvested at beginning of year (in shares)	0	0	0	1,890
Granted (in shares)	0	0	0
Vested (in shares)	0	0	(1,890)
Converted (in shares)	0	0	0
Forfeited and canceled (in shares)	0	0	0
Unvested at end of year (in shares)	0	0	0	1,890
Weighted- average grant price
Unvested at beginning of year (in dollars per share)	$ 84.47	$ 84.47	$ 75.03
Unvested at end of year (in dollars per share)	$ 84.47	$ 84.47	$ 84.47	$ 75.03
Total Vested Units
Vested, beginning balance (in shares)	106,137	106,137	143,257
Vested, units granted (in shares)	0	0	0
Vested, units vested (in shares)	0	0	1,890
Converted (in shares)	0	0	(39,010)
Cancelled (in shares)	0	0	0
Vested, ending balance (in shares)	106,137	106,137	106,137	143,257
Total Outstanding Units
Total outstanding units, beginning balance (in shares)	106,137	106,137	145,147
Total outstanding units, granted (in shares)	0	0	0
Total outstanding units, vested (in shares)	0	0	0
Total outstanding units, converted (in shares)	0	0	(39,010)
Total outstanding units, cancelled (in shares)	0	0	0
Total outstanding units, ending balance (in shares)	106,137	106,137	106,137	145,147
Weighted- average Remaining Contractual Life (years)	1 year 7 months 6 days	2 years 7 months 6 days	3 years 7 months 6 days	5 years 2 months 12 days