Annual rent.

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Business combination additional consideration payable number of tranches.

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Carrying value of real estate, sold.

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Maximum tax liability under tax protection agreement.

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Monthly distribution approved per OP units.

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Number of real estate properties sold.

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Number of renewal options.

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Number of senior executives entered into employment agreement.

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Percentage increase in annual rent.

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Termination fees.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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Date which lease or group of leases is set to expire, in CCYY-MM-DD format.

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Cash received for the sale of real estate that is not part of an investing activity during the current period.

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The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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Expenses recognized in the period that are directly related to the selling and distribution of products or services.

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Price of a single share of a number of saleable stocks of a company.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events - Additional Information (Detail)					2 Months Ended		12 Months Ended
Subsequent Events - Additional Information (Detail)	Feb. 28, 2020 USD ($) Tranche RenewalOption $ / shares	Feb. 13, 2020 USD ($)	Feb. 07, 2020 USD ($) SeniorExecutive $ / shares	Jan. 01, 2020 USD ($)	Feb. 27, 2020 USD ($) Property	Feb. 15, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Subsequent Event [Line Items]
Aggregate carrying value							$ 138,845,000	$ 43,492,000	$ 50,339,000
Aggregate sale price							176,486,000	57,402,000	66,532,000
Gain on sale of real estate							29,914,000	10,496,000	12,992,000
Repayment of borrowing							377,900,000	475,500,000	323,000,000
Carrying amount of debt							1,989,451,000	1,450,551,000
Real Estate
Subsequent Event [Line Items]
Additional sales expenses							7,727,000	3,414,000	3,201,000
Gain on sale of real estate							$ 29,914,000	$ 10,496,000	$ 12,992,000
Subsequent Event
Subsequent Event [Line Items]
Cash distributions paid to stockholders						$ 24,398,000
Monthly distribution approved per OP units \| $ / shares			$ 0.44
Number of properties sold \| Property					8
Aggregate carrying value					$ 24,918,000
Aggregate sale price					32,273,000
Repayment of borrowing				$ 11,000,000
Senior executives entered into employment agreements \| SeniorExecutive			4
Maximum tax liability			$ 10,000,000
Subsequent Event \| Chairman and Member of Board of Directors \| CAHA
Subsequent Event [Line Items]
Ownership percentage	1.60%
Lease expiry date	Aug. 31, 2023
Number of renewal options \| RenewalOption	2
Lease renewal term	5 years
Annual rent	$ 547,000
Percentage increase in annual rent	2.00%
Subsequent Event \| Merger Agreement
Subsequent Event [Line Items]
Base consideration payable	$ 209,500,000
Assumption of debt	90,500,000
Additional consideration payable	$ 75,000,000
Number of tranches \| Tranche	4
Price per share or unit \| $ / shares	$ 85.00
Subsequent Event \| Merger Agreement \| Manager \| Repurchase of Outstanding Common Shares
Subsequent Event [Line Items]
Price per share or unit \| $ / shares	$ 85.00
Subsequent Event \| Merger Agreement \| Tranche One
Subsequent Event [Line Items]
Additional consideration payable	$ 10,000,000
Subsequent Event \| Merger Agreement \| Tranche Two
Subsequent Event [Line Items]
Additional consideration payable	15,000,000
Subsequent Event \| Merger Agreement \| Tranche Three
Subsequent Event [Line Items]
Additional consideration payable	25,000,000
Subsequent Event \| Merger Agreement \| Tranche Four
Subsequent Event [Line Items]
Additional consideration payable	$ 25,000,000
Subsequent Event \| Property Management Agreement and Asset Management Agreement \| Merger Agreement
Subsequent Event [Line Items]
Termination fees			0
Subsequent Event \| Commercial Mortgage Rate
Subsequent Event [Line Items]
Principal payments on mortgages		$ 541,000
Subsequent Event \| Swingline Revolver
Subsequent Event [Line Items]
Carrying amount of debt				$ 117,000,000
Subsequent Event \| 2022 Unsecured Term Loan
Subsequent Event [Line Items]
Debt instrument, face amount			$ 60,000,000
Subsequent Event \| 2022 Unsecured Term Loan \| LIBOR
Subsequent Event [Line Items]
Basis spread on variable rate			1.25%
Subsequent Event \| Real Estate
Subsequent Event [Line Items]
Additional sales expenses					1,370,000
Gain on sale of real estate					$ 5,985,000
Subsequent Event \| Minimum \| 2022 Unsecured Term Loan \| LIBOR
Subsequent Event [Line Items]
Basis spread on variable rate			0.85%
Subsequent Event \| Maximum \| 2022 Unsecured Term Loan \| LIBOR
Subsequent Event [Line Items]
Basis spread on variable rate			1.65%