Number of separate transaction in real estate acquisition.

No definition available.

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- Definition

Percentage of geographic area concentration.

+ References

No definition available.

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- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

The cash outflow from the acquisition of property as primarily intended to generate income for its owner.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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- Definition

Cash outflow for purchase of trading, available-for-sale securities and held-to-maturity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26853-111562

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (a),(b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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- Definition

The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

+ References

+ Details

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- Definition

The cash inflow from the additional capital contribution to the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

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- Definition

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.

+ References

No definition available.

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Subsequent Events - Additional Information (Detail) $ in Thousands, ft² in Millions			3 Months Ended	10 Months Ended	12 Months Ended
	Mar. 19, 2018 USD ($) Transaction shares	Mar. 09, 2018 USD ($) ft² Property	Mar. 19, 2018 USD ($) Transaction shares	Dec. 31, 2016 USD ($) shares	Dec. 31, 2017 USD ($) Property shares
Subsequent Event [Line Items]
Aggregate payments to acquire real estate, exclusive of closing costs				$ 0	$ 3,393,674
Purchase of floating-rate CMBS				0	930,147
Purchase Price					$ 3,617,378
Number of Properties \| Property					115
Total principal balance					$ 2,125,825
Common stock, shares issued \| shares					170,384,033
Proceeds from issuance of common stock				$ 0	$ 1,718,992
Class S Shares [Member]
Subsequent Event [Line Items]
Common stock, shares issued \| shares				0	130,085,145
Class I Shares [Member]
Subsequent Event [Line Items]
Common stock, shares issued \| shares				20,000	30,719,160
Class D Shares [Member]
Subsequent Event [Line Items]
Common stock, shares issued \| shares				0	3,955,114
Class T Shares [Member]
Subsequent Event [Line Items]
Common stock, shares issued \| shares				0	5,624,614
Subsequent Event [Member]
Subsequent Event [Line Items]
Aggregate payments to acquire real estate, exclusive of closing costs			$ 289,900
Number of separate transaction in real estate acquisition \| Transaction	2		2
Common stock, shares issued \| shares	226,804,071		226,804,071
Proceeds from issuance of common stock	$ 2,300,000
Subsequent Event [Member] \| Class S Shares [Member]
Subsequent Event [Line Items]
Common stock, shares issued \| shares	163,218,275		163,218,275
Subsequent Event [Member] \| Class I Shares [Member]
Subsequent Event [Line Items]
Common stock, shares issued \| shares	9,741,552		9,741,552
Subsequent Event [Member] \| Class D Shares [Member]
Subsequent Event [Line Items]
Common stock, shares issued \| shares	6,823,284		6,823,284
Subsequent Event [Member] \| Class T Shares [Member]
Subsequent Event [Line Items]
Common stock, shares issued \| shares	47,020,960		47,020,960
Subsequent Event [Member] \| Canyon Industrial Portfolio [Member]
Subsequent Event [Line Items]
Area of retail space \| ft²		22
Purchase Price		$ 1,800,000
Number of Properties \| Property		146
Subsequent Event [Member] \| Canyon Industrial Portfolio [Member] \| Mortgage Notes [Member]
Subsequent Event [Line Items]
Total principal balance		$ 1,100,000
Loan maturity period		84 months
Debt instrument, Interest rate		4.10%
Subsequent Event [Member] \| Canyon Industrial Portfolio [Member] \| Mezzanine Loan [Member]
Subsequent Event [Line Items]
Total principal balance		$ 200,000
Loan maturity period		84 months
Debt instrument, Interest rate		5.85%
Subsequent Event [Member] \| Canyon Industrial Portfolio [Member] \| Chicago [Member]
Subsequent Event [Line Items]
Geographic area concentration, percentage		18.00%
Subsequent Event [Member] \| Canyon Industrial Portfolio [Member] \| Dallas [Member]
Subsequent Event [Line Items]
Geographic area concentration, percentage		12.00%
Subsequent Event [Member] \| Canyon Industrial Portfolio [Member] \| Baltimore/Washington, D.C. [Member]
Subsequent Event [Line Items]
Geographic area concentration, percentage		12.00%
Subsequent Event [Member] \| Canyon Industrial Portfolio [Member] \| Los Angeles/Inland Empire [Member]
Subsequent Event [Line Items]
Geographic area concentration, percentage		7.00%
Subsequent Event [Member] \| Canyon Industrial Portfolio [Member] \| South/Central Florida [Member]
Subsequent Event [Line Items]
Geographic area concentration, percentage		7.00%
Subsequent Event [Member] \| Canyon Industrial Portfolio [Member] \| New Jersey [Member]
Subsequent Event [Line Items]
Geographic area concentration, percentage		7.00%
Subsequent Event [Member] \| Canyon Industrial Portfolio [Member] \| Denver [Member]
Subsequent Event [Line Items]
Geographic area concentration, percentage		6.00%
Subsequent Event [Member] \| Commercial Mortgage Backed Securities [Member]
Subsequent Event [Line Items]
Purchase of floating-rate CMBS			$ 169,500