v3.19.3.a.u2

Credit Risk Concentrations - Additional Information (Detail) - customer | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Concentration Risk [Line Items] |  |  |
Number of tenants or common franchises | 0 | 0 | 0
Operating Expenses | Management Contracts Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentrations risk percentage | 18.00% | 19.00% | 20.00%
Mortgages and Notes Payable | Credit Availability Concentration Risk | Financial Institution One |  |  |
Concentration Risk [Line Items] |  |  |
Concentrations risk percentage | 62.00% | 26.00% | 27.00%
Mortgages and Notes Payable | Credit Availability Concentration Risk | Financial Institution Two |  |  |
Concentration Risk [Line Items] |  |  |
Concentrations risk percentage | 16.00% | 23.00% | 17.00%
Mortgages and Notes Payable | Credit Availability Concentration Risk | Financial Institution Three |  |  |
Concentration Risk [Line Items] |  |  |
Concentrations risk percentage | 10.00% | 14.00% | 13.00%
Mortgages and Notes Payable | Credit Availability Concentration Risk | Financial Institution Four |  |  |
Concentration Risk [Line Items] |  |  |
Concentrations risk percentage |  | 11.00% | 11.00%

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