Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
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-Article 12
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- Definition

Maturity date of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, in CCYY-MM-DD format.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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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.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

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

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- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
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- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

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- Definition

Date the derivative contract matures, in CCYY-MM-DD format.

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No definition available.

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- Definition

Amount of investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

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Mortgages Payable - Additional Information (Detail)	6 Months Ended
Mortgages Payable - Additional Information (Detail)	Jun. 30, 2019 USD ($) Hotel	Dec. 31, 2018 USD ($)	Jul. 07, 2017 USD ($) Hotel
Mortgage Loans on Real Estate [Line Items]
Deferred financing costs associated with Loan	$ 284,000	$ 2,505,000
Loan Agreement [Member]
Mortgage Loans on Real Estate [Line Items]
Deferred financing costs associated with Loan	$ 10,800,000
Mortgage and Mezzanine Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Borrowings on mortgage loan			$ 800,000,000
Loans maturity, description	The Loan is scheduled to mature on July 9, 2019, with an option for the Borrowers to extend the initial term for five one-year extension terms, subject to certain conditions.
Interest Rate Cap [Member]
Mortgage Loans on Real Estate [Line Items]
Derivative, maturity date	Jul. 09, 2019
Net proceeds from borrowings on mortgage payable and mezzanine loans	$ 800,000,000
Interest Rate Cap [Member] \| Interest Rate Cap Agreement [Member]
Mortgage Loans on Real Estate [Line Items]
Margin rate	5.00%
Derivative, maturity date	Jul. 09, 2020
Net proceeds from borrowings on mortgage payable and mezzanine loans	$ 679,800,000
Fort Worth, Texas Residence Inn [Member]
Mortgage Loans on Real Estate [Line Items]
Loan, maturity date	Oct. 06, 2022
Loan, interest rate	4.73%
Fort Worth, Texas Residence Inn [Member] \| Mortgages Payable [Member]
Mortgage Loans on Real Estate [Line Items]
Loan, Outstanding principal balance	$ 15,300,000	$ 15,600,000
Hotel [Member]
Mortgage Loans on Real Estate [Line Items]
Number of hotels owned \| Hotel	45		52
LIBOR [Member] \| Mortgage and Mezzanine Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Margin rate	2.15%
One-Month LIBOR [Member] \| Interest Rate Cap [Member]
Mortgage Loans on Real Estate [Line Items]
Margin rate	4.25%
Collateral Pledged [Member] \| Hotel [Member] \| Loan Agreement [Member]
Mortgage Loans on Real Estate [Line Items]
Number of hotels owned \| Hotel			51