Basis of Financial Reporting - Narrative (Details) - USD ($) $ in Thousands |
Jan. 01, 2019 |
Sep. 30, 2019 |
Dec. 31, 2018 |
Sep. 30, 2018 |
---|---|---|---|---|
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||||
Operating lease liabilities | $ 35,237 | |||
Right of use assets | 34,264 | |||
Total assets deconsolidated | 23,936,719 | $ 25,220,968 | $ 25,104,925 | |
Total liabilities deconsolidated | $ 21,582,054 | $ 22,906,189 | ||
Accounting Standards Update 2016-02 | ||||
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||||
Operating lease liabilities | $ 33,700 | |||
Right of use assets | 32,800 | |||
Failed Sale-Leaseback Transaction | Accounting Standards Update 2016-02 | ||||
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||||
Total assets deconsolidated | 43,800 | |||
Total liabilities deconsolidated | 34,800 | |||
Reduction to noncontrolling interest | $ 6,100 |