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Mortgage Notes Payable and Credit Facility - Company's Mortgage Notes Payable and Line of Credit Additional Information (Details) |  | 12 Months Ended
--- | --- | ---
Oct. 27, 2017 | Dec. 31, 2019 property mortgage
Debt Instrument [Line Items] |  |
Weighted average interest rate on debt outstanding (as percent) |  | 4.18%
Encumbered properties |  | 116
LIBOR |  |
Debt Instrument [Line Items] |  |
Spread on LIBOR (as percent) | 2.75% |
Variable rate at period end (as percent) |  | 1.76%
Fixed rate mortgage loans |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percent) |  | 4.55%
Encumbered properties |  | 58
Fixed rate mortgage loans | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percent) |  | 3.42%
Fixed rate mortgage loans | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rate (as a percent) |  | 6.63%
Mortgage notes payable |  |
Debt Instrument [Line Items] |  |
Number of mortgage notes payable | mortgage |  | 54
Maturity date of mortgage notes payable, start date |  | Jul. 01, 2020
Maturity date of mortgage notes payable, end date |  | Aug. 01, 2037
Weighted average interest rate on debt outstanding (as percent) |  | 4.49%
Encumbered properties |  | 70
Variable rate mortgage loans |  |
Debt Instrument [Line Items] |  |
Encumbered properties |  | 12
Variable rate mortgage loans | Minimum | LIBOR |  |
Debt Instrument [Line Items] |  |
Spread on LIBOR (as percent) |  | 2.00%
Variable rate mortgage loans | Maximum | LIBOR |  |
Debt Instrument [Line Items] |  |
Spread on LIBOR (as percent) |  | 2.75%
Variable rate revolving credit facility |  |
Debt Instrument [Line Items] |  |
Encumbered properties |  | 46
Variable rate revolving credit facility | Revolving credit facility |  |
Debt Instrument [Line Items] |  |
Encumbered properties |  | 46
Variable rate revolving credit facility | LIBOR | Revolving credit facility |  |
Debt Instrument [Line Items] |  |
Spread on LIBOR (as percent) |  | 1.65%

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