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Mortgage Notes Payable and Credit Facility Mortgage Notes Payable and Credit Facility - Derivative Instruments Impact (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Change in unrealized (loss) gain related to interest rate hedging instruments, net | $ (1,978) |  |
Change in unrealized (loss) gain related to interest rate hedging instruments, net |  | $ (183) | $ 35
Interest rate caps |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Change in unrealized (loss) gain related to interest rate hedging instruments, net | (749) |  |
Change in unrealized (loss) gain related to interest rate hedging instruments, net |  | 77 | (239)
Interest rate swaps |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Change in unrealized (loss) gain related to interest rate hedging instruments, net | $ (1,229) |  |
Change in unrealized (loss) gain related to interest rate hedging instruments, net |  | $ (260) | $ 274

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