Summary of Significant Accounting Policies - Derivative Instruments and Mortgage Debt Measured at Fair Value (Parenthetical) (Detail)	Mar. 31, 2017
1-Month LIBOR \| Double Tree by Hilton Jacksonville Riverfront [Member]
Derivatives Fair Value [Line Items]
Interest rate cap for loan	2.50%

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.

No definition available.

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