Share-Based and Other Deferred Compensation (Details) $ / shares in Units, $ in Thousands					1 Months Ended						3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	Mar. 01, 2022 USD ($)	Mar. 01, 2021 USD ($)	Mar. 01, 2020 USD ($)	Mar. 01, 2019 USD ($)	Oct. 31, 2022 shares	Dec. 31, 2021 USD ($) shares	Mar. 31, 2021 USD ($)	Jun. 30, 2019 shares	Nov. 30, 2017 shares	Nov. 30, 2016 USD ($) shares	Sep. 30, 2022 USD ($) shares	Sep. 30, 2021 USD ($)	Jun. 30, 2022 Installments	Sep. 30, 2022 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) shares	Dec. 31, 2021 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2017 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Severance Costs														$ 2,680	$ 2,168
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted Stock Units Related to Restructuring | shares														17,000	34,000
Employee Compensation and Benefits | Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Severance Costs											$ 641	$ 486		$ 1,335	$ 2,434
LP Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Limited Partnership Units Convertible Conversion Ratio										1	1			1
Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Compensation Arrangement Compensation Expense											$ 16,152	16,877		$ 45,414	29,979
Deferred Compensation Arrangement with Individual, Distribution Paid						$ 44,477	$ 48,461							3,940		$ 92,938
Long Term Incentive Plan [Member] | Current Liabilities [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Compensation Arrangement with Individual, Recorded Liability											48,259			48,259
Long Term Incentive Plan [Member] | Noncurrent Liabilities [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Compensation Arrangement with Individual, Recorded Liability											$ 72,307			$ 72,307
Second Amended Two Thousand Sixteen Stock Incentive Plan | Class A [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Additional Shares Authorized (in shares) | shares											6,500,000
Number of Shares Available for Grant (in shares) | shares											7,772,000			7,772,000
Class I-P Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Converted in Period | shares														400,000
Class I-P Units [Member] | Board of Directors Chairman [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant of I-P Units (in units) | shares										400,000
Compensation Expense												1,130		$ 753	3,495
Class K-P Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Converted in Period | shares														80,000
Compensation Expense											$ 5,403	1,816		$ 17,179	5,557
Grant of K-P Units (in units) | shares						400,000		220,000	64,000
K-P Units to be Granted Upon Achievement of Benchmarks (in units) | shares														1,180,000
Grant of K-P Units, Fair Value of Award														$ 97,717
Class K Units Probable of Achievement (in units) | shares														912,000
Class K-P Units [Member] | Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant of K-P Units (in units) | shares					60,000
Class K-P Units [Member] | Share-based Payment Arrangement, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant of K-P Units (in units) | shares								120,000
Class K-P Units [Member] | Share-based Payment Arrangement, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant of K-P Units (in units) | shares								100,000
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award Vesting Period														4 years
Restricted Stock Units (RSUs) [Member] | Amended Two Thousand Sixteen Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Issued During Period (in shares) | shares														2,952,000
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares														$ 123.97
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested											365,908			$ 365,908
Restricted Stock Units (RSUs) [Member] | Amended Two Thousand Sixteen Stock Incentive Plan [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares														$ 93.03
Restricted Stock Units (RSUs) [Member] | Amended Two Thousand Sixteen Stock Incentive Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares														$ 137.59
Restricted Stock Units (RSUs) [Member] | 2006 and 2016 Stock Incentive Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation Expense											63,385	52,578		$ 191,229	162,341
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period | shares														2,250,000
Shares Forfeited During Period (in shares) | shares														151,000
Deferred Cash Compensation Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Compensation, Vesting Period (in years)														4 years
Deferred Compensation Arrangement Compensation Expense											30,040	31,576		$ 89,025	97,322
Deferred Compensation Arrangement with Individual, Recorded Liability											292,137			292,137
Deferred Compensation Arrangement with Individual, Compensation Cost Not Yet Recognized											166,054			$ 166,054
Deferred Compensation Arrangement With Individual, Total Compensation Cost Not Yet Recognized Period For Recognition														23 months
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount											123,729			$ 123,729
Restricted Cash Award [Member] | Board of Directors Chairman [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount										$ 35,000
Deferred Compensation Arrangement With Individual Cash Award Tranche One Vesting Amount				$ 11,000
Deferred Compensation Arrangement With Individual Cash Award Tranche Two Vesting Amount			$ 6,000
Deferred Compensation Arrangement With Individual Cash Award Tranche Three Vesting Amount		$ 6,000
Deferred Compensation Arrangement With Individual Tranche Four Vesting Amount	$ 6,000
Deferred Compensation Arrangement with Individual Cash Award Tranche Five Vesting Amount										$ 6,000
Retirement Notice Requirement										6 months
Restricted Cash Award [Member] | Board of Directors Chairman [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount										$ 8,750
Restricted Cash Award [Member] | Board of Directors Chairman [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount										$ 35,000
Other Deferred Cash [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Compensation Arrangement Compensation Expense											3,139	2,555		$ 12,466	8,076
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount																	$ 19,861	$ 29,500
Deferred Compensation Arrangement with Individual, Number of Installments | Installments													5
Other Deferred Cash [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Compensation, Vesting Period (in years)														1 year
Other Deferred Cash [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Compensation, Vesting Period (in years)														2 years
2017 Long-term Incentive Plan [Member] | Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Compensation Arrangement with Individual, Compensation Cost Not Yet Recognized											3,042			$ 3,042
Long Term Incentive Plan Performance Period (in years)														4 years
2021 Long Term Incentive Plan | Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Compensation Arrangement with Individual, Compensation Cost Not Yet Recognized											177,594			$ 177,594
Employee Loans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Compensation Arrangement Compensation Expense											8,229	$ 7,279		21,668	$ 17,725
Deferred Compensation Arrangement with Individual, Recorded Liability											$ 41,558			$ 41,558
Employee Loans [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite Service Period (in years)														1 year
Employee Loans [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite Service Period (in years)														5 years