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Equity Method Investments, Transactions Costs

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Number of Properties Contributed

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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

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Carrying amount of the equity interests owned by noncontrolling shareholders, partners, or other equity holders in joint ventures included in the entity's consolidated financial statements.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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Amount of debt for which creditor does not have general recourse to the debtor but rather has recourse only to the property used for collateral in the transaction or other specific property.

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Amount of increase in noncontrolling interest from sale of a portion of the parent's controlling interest.

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The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Noncontrolling Interest (Details)	1 Months Ended		2 Months Ended	3 Months Ended			6 Months Ended
Noncontrolling Interest (Details)	Mar. 31, 2020 USD ($)	Feb. 29, 2020 USD ($) property	Mar. 31, 2020 USD ($)	Jun. 30, 2020 USD ($) property	Mar. 31, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) property	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Noncontrolling Interest [Line Items]
Contributions from noncontrolling interest					$ 107,640,000
Net income (loss) attributable to noncontrolling interest				$ 264,000		$ 0	$ 416,000	$ 0
Cash distributions from joint ventures				1,898,000			107,640,000	$ 0
Value of VIE assets, net				$ 2,505,600,000			$ 2,505,600,000		$ 2,454,901,000
Twelve Mainland Properties
Noncontrolling Interest [Line Items]
Number of properties contributed \| property		11		12			12
Noncontrolling interest	$ 26,231,000	$ 82,035,000
Noncontrolling interest, ownership percentage by noncontrolling owners		39.00%
Ownership interest		61.00%		61.00%			61.00%
Transactions costs			$ 626,000
Noncontrolling Interest in Joint Ventures				$ 100,668,000			$ 100,668,000
Twelve Mainland Properties \| Mortgage note payable
Noncontrolling Interest [Line Items]
Outstanding mortgage debt				406,980,000			406,980,000
Variable Interest Entity \| Twelve Mainland Properties
Noncontrolling Interest [Line Items]
Value of VIE assets, net				660,958,000			660,958,000
Restricted cash				13,703,000			13,703,000
Non-recourse liabilities				$ 408,181,000			408,181,000
Additional Paid-in Capital
Noncontrolling Interest [Line Items]
Contributions from noncontrolling interest					$ 6,972,000
Additional Paid-in Capital \| Twelve Mainland Properties
Noncontrolling Interest [Line Items]
Contributions from noncontrolling interest							$ 6,972,000