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Escrow Deposits, Prepaid Expenses and Other Assets - Summary (Details) $ in Thousands |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jan. 01, 2020 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2020 USD ($) bulk_disposition | Jun. 30, 2019 USD ($) | Dec. 31, 2019 USD ($)
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |  |  |  |  |
Escrow deposits, prepaid expenses and other |  | $ 54,129 |  | $ 54,129 |  | $ 54,545
Deferred costs and other intangibles, net |  | 5,662 |  | 5,662 |  | 6,840
Notes receivable, net |  | 35,397 |  | 35,397 |  | 36,834
Commercial real estate, software, vehicles and FF&E, net |  | 46,114 |  | 46,114 |  | 42,742
Total |  | 141,302 |  | 141,302 |  | $ 140,961
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Depreciation expense |  | 81,600 | $ 78,600 | 161,400 | $ 155,400 |
Amortization expense related to deferred leasing costs, in-place leases, trademark and database |  | 1,100 | 2,400 | 2,100 | 4,900 |
Amortization of deferred financing costs |  | 500 | 500 | $ 1,000 | 1,000 |
Number Of Bulk Dispositions | bulk_disposition |  |  |  | 2 |  |
Accounting Standards Update [Extensible List] | us-gaap:AccountingStandardsUpdate201613Member |  |  |  |  | us-gaap:AccountingStandardsUpdate201613Member
Allowance for credit losses | $ 1,500 |  |  |  |  |
Commercial Real Estate, Vehicles, and Furniture, Fixtures, and Equipment |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Depreciation expense |  | $ 2,100 | $ 1,800 | $ 4,100 | $ 3,700 |

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