Investments in Real Estate - Additional Information (Detail)	3 Months Ended
Mar. 31, 2019 USD ($) Property Investment Lease	Mar. 31, 2018 USD ($)
Real Estate Properties [Line Items]
Number of real estate investments acquired \| Investment	4
Number of real estate properties acquired	17
Number of ground leases under operating lease \| Lease	4
Number of ground leases under finance lease \| Lease	3
Operating lease, weighted average remaining lease term	78 years
Finance lease, weighted average remaining lease term	77 years
Incremental borrowing rate	7.00%
Financing Lease Cost \| $	$ 15,000	$ 0
In-place Lease Intangibles [Member]
Real Estate Properties [Line Items]
Weighted-average acquired lease intangibles	1 year
Above-market Lease Intangibles [Member]
Real Estate Properties [Line Items]
Weighted-average acquired lease intangibles	2 years
Below-market Lease Intangibles [Member]
Real Estate Properties [Line Items]
Weighted-average acquired lease intangibles	5 years
Industrial [Member]
Real Estate Properties [Line Items]
Number of real estate properties acquired	1
Multifamily [Member]
Real Estate Properties [Line Items]
Number of real estate properties acquired	15
Hotel [Member]
Real Estate Properties [Line Items]
Number of real estate properties acquired	1

Lessee operating and finance lease discount rate.

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- Definition

Number of ground leases under finance lease.

+ References

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- Definition

Number of ground leases under operating lease.

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- Definition

Number of real estate investments acquired during the period.

+ References

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of interest expense on finance lease liability.

+ References

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- Definition

Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

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

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

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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No definition available.

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