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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Jan. 01, 2020 | Dec. 31, 2019 | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | --- | ---
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Increase to reserves for loan losses | $ 2,600 |  |  |  |
Initial reserve for losses on net investment in leases | 10,403 | $ 9,111 |  |  |
Accrued interest | 4,800 |  | $ 4,200 |  |
Reconciliation of Cash, Cash Equivalents, and Restricted Cash |  |  |  |  |
Cash and cash equivalents | 371,293 |  | 307,172 | $ 315,407 | $ 931,751
Restricted cash included in deferred expenses and other assets, net | 46,609 |  | 45,034 | 48,407 | 42,793
Total cash, cash equivalents and restricted cash reported in the consolidated statements of cash flows | $ 417,902 |  | $ 352,206 | $ 363,814 | $ 974,544
ASU 2016-13 |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Increase to reserves for loan losses |  | 3,300 |  |  |
Initial reserve for losses on net investment in leases |  | $ 9,100 |  |  |

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