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v3.19.3

Share-Based and Other Deferred Compensation (Details) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 15, 2019 shares | Jun. 30, 2019 USD ($) shares | Nov. 30, 2017 USD ($) shares | Jul. 31, 2017 vote shares | Nov. 30, 2016 USD ($) tranche Number_Of_Anniversaries shares | Sep. 30, 2019 USD ($) shares | Sep. 30, 2018 USD ($) shares | Sep. 30, 2019 USD ($) payment_installment Installments $ / shares shares | Sep. 30, 2018 USD ($) shares | Dec. 31, 2016 shares | Mar. 31, 2019 USD ($) | Dec. 31, 2017 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement Compensation Expense |  |  |  |  |  | $ 20,688 | $ 13,147 | $ 73,456 | $ 41,328 |  |  |
Severance Costs |  |  |  |  |  | 2,762 | 538 | 7,575 | 7,022 |  |  |
Cash Payments Related to Separation Benefits |  |  |  |  |  | $ 1,204 | $ 763 | $ 4,461 | $ 6,636 |  |  |
LP Units [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Limited Partnership Units Convertible Conversion Ratio |  |  |  |  | 1 |  |  | 1 |  |  |  |
2016 Stock Incentive Plan [Member] | Class A [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of Additional Shares Authorized (in shares) | shares |  |  |  |  |  |  |  |  |  | 10,000,000 |  |
Number of Shares Available for Grant (in shares) | shares |  |  |  |  |  | 2,869,000 | 5,367,000 | 2,869,000 | 5,367,000 |  |  |
Long Term Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement Compensation Expense |  |  |  |  |  | $ 8,302 | $ 7,007 | $ 24,928 | $ 21,082 |  |  |
Long Term Incentive Plan Performance Period (in years) |  |  |  |  |  |  |  | 4 years |  |  |  |
Number of Payment Installments | payment_installment |  |  |  |  |  |  |  | 3 |  |  |  |
Deferred Compensation Arrangement with Individual, Distribution Paid |  |  |  |  |  |  |  | $ 19,516 | 4,532 |  |  |
Long Term Incentive Plan [Member] | Other Noncurrent Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Recorded Liability |  |  |  |  |  | 90,258 |  | 90,258 |  |  |  |
Class J LP Units [Member] | Acquisition Related [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Shares Vested During Period (in shares) | shares | 632,000 |  |  |  |  |  |  |  |  |  |  |
Class I-P Units [Member] | Board of Directors Chairman [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Compensation Expense |  |  |  |  |  | 1,164 | 1,164 | 3,455 | 3,352 |  |  |
Grant of I-P Units (in units) | shares |  |  |  |  | 400,000 |  |  |  |  |  |  |
Retirement Notice Requirement |  |  |  |  | 1 year |  |  |  |  |  |  |
Number of Tranches of Class I-P Units | tranche |  |  |  |  | 2 |  |  |  |  |  |  |
Number of Class I-P Units in Each Tranche (in units) | shares |  |  |  |  | 200,000 |  |  |  |  |  |  |
Number of Consecutive Trading Days Required for Class I-P Units to Exceed Thresholds |  |  |  |  | 20 days |  |  |  |  |  |  |
Grant of I-P Units, Fair Value of Award |  |  |  |  | $ 24,412 |  |  |  |  |  |  |
Class K-P Units [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Compensation Expense |  |  |  |  |  | 1,277 | 302 | $ 1,911 | 897 |  |  |
Limited Partnership Units Convertible Conversion Ratio |  |  |  |  |  |  |  | 1 |  |  |  |
Grant of K-P Units (in units) | shares |  | 220,000 | 64,000 |  |  |  |  |  |  |  |  |
K-P Units to be Granted Upon Achievement of Benchmarks (in units) | shares |  |  | 16,000 |  |  |  |  |  |  |  |  |
Grant of K-P Units, Fair Value of Award |  | $ 5,771 | $ 6,250 |  |  |  |  |  |  |  |  |
Restricted Stock Units (RSUs) [Member] | 2016 Stock Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued During Period (in shares) | shares |  |  |  |  |  |  |  | 2,564,000 |  |  |  |
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 91.24 |  |  |  |
Restricted Stock Units (RSUs) [Member] | 2016 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 |  |  |  |  |  |  |  | 72.11 |  |  |  |
Restricted Stock Units (RSUs) [Member] | 2016 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 |  |  |  |  |  |  |  | $ 96.22 |  |  |  |
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 |  |  |  |  |  | 50,152 | 41,679 | $ 162,296 | 130,785 |  |  |
Shares Vested During Period (in shares) | shares |  |  |  |  |  |  |  | 2,412,000 |  |  |  |
Shares Forfeited During Period (in shares) | shares |  |  |  |  |  |  |  | 87,000 |  |  |  |
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 with Individual, Cash Award Granted, Amount |  |  |  |  |  |  |  |  |  |  | $ 93,366 |
Restricted Cash Award [Member] | Board of Directors Chairman [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Retirement Notice Requirement |  |  |  |  | 6 months |  |  |  |  |  |  |
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 |  |  |  |  |  |  |
Awards Vesting Period | Number_Of_Anniversaries |  |  |  |  | 4 |  |  |  |  |  |  |
Restricted Cash Award [Member] | Minimum [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 |  |  |  |  | $ 8,750 |  |  |  |  |  |  |
Restricted Cash Award [Member] | Maximum [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 |  |  |  |  |  |  |
Other Deferred Cash [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount |  |  |  |  |  |  |  |  |  |  |  | $ 29,500
Awards Vesting Period | Installments |  |  |  |  |  |  |  | 5 |  |  |  |
Long Term Incentive Plan [Member] | 2017 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 |  |  |  |  |  | 69,569 |  | $ 69,569 |  |  |  |
Employee Loans [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement Compensation Expense |  |  |  |  |  | 6,631 | 5,701 | 15,976 | 13,810 |  |  |
Deferred Compensation Arrangement with Individual, Recorded Liability |  |  |  |  |  | 33,392 |  | $ 33,392 |  |  |  |
Requisite Service Period (in years) |  |  |  |  |  |  |  | 1 year |  |  |  |
Maximum Contractual Term (in years) |  |  |  |  |  |  |  | 5 years |  |  |  |
Evercore ISI [Member] | Class H LP Interests [Member] | Acquisition Related [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of Units Outstanding (in units) | shares |  |  |  | 4,148,000 |  |  |  |  |  |  |  |
Evercore ISI [Member] | Class J LP Units [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Number of Votes | vote |  |  |  | 1 |  |  |  |  |  |  |  |
Evercore ISI [Member] | Class J LP Units [Member] | Class B [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues | shares |  |  |  | 1 |  |  |  |  |  |  |  |
Evercore ISI [Member] | Class J LP Units [Member] | Acquisition Related [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Compensation Expense |  |  |  |  |  | $ 4,527 | 3,741 | $ 12,276 | 11,313 |  |  |
Evercore ISI [Member] | Vested LP Units [Member] | Class J LP Units [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Grant of LP Units (in units) | shares |  |  |  | 1,012,000 |  |  |  |  |  |  |  |
Evercore ISI [Member] | Vested LP Units [Member] | Class J LP Units [Member] | Subject to Continued Employment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Grant of LP Units (in units) | shares |  |  |  | 963,000 |  |  |  |  |  |  |  |
Evercore ISI [Member] | Unvested LP Units [Member] | Class J LP Units [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Grant of LP Units (in units) | shares |  |  |  | 938,000 |  |  |  |  |  |  |  |
Share-based Compensation Award, Tranche One [Member] | Class K-P Units [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Grant of K-P Units (in units) | shares |  | 120,000 |  |  |  |  |  |  |  |  |  |
Share-based Compensation Award, Tranche Two [Member] | Class K-P Units [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Grant of K-P Units (in units) | shares |  | 100,000 |  |  |  |  |  |  |  |  |  |
Special Charges [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Severance Costs |  |  |  |  |  |  | $ 781 |  | $ 2,024 |  |  |

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