Fees payable to a related party for leasing the company's properties.

No definition available.

Name:	ck0001625941_RelatedPartyTransactionLeasingFeePercentage
Namespace Prefix:	ck0001625941_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Property management fees payable to a related party in an amount equal to a market based percentage of annual gross revenues of each real property owned by the company and managed by the related party

+ References

No definition available.

+ Details

Name:	ck0001625941_RelatedPartyTransactionPropertyManagementFeePercentage
Namespace Prefix:	ck0001625941_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

+ Details

Name:	us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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.

+ References

No definition available.

+ Details

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_AffiliatedEntityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=ck0001625941_AdvisorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=ck0001625941_PropertyManagerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=ck0001625941_PropertyManagementFeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=ck0001625941_LeasingFeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

RELATED PARTY TRANSACTIONS - Property Management and Leasing Fees (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Related Party Transaction [Line Items]
Fees incurred with related parties	$ 12,529,000	$ 7,719,000	$ 263,000
Minimum \| Affiliated Entity \| Advisor
Related Party Transaction [Line Items]
Property management fee, percentage	2.00%
Leasing fee, percentage	2.00%
Maximum \| Affiliated Entity \| Advisor
Related Party Transaction [Line Items]
Property management fee, percentage	5.00%
Leasing fee, percentage	8.00%
Property Manager \| Affiliated Entity \| Property Management Fees
Related Party Transaction [Line Items]
Fees incurred with related parties	$ 0
Property Manager \| Affiliated Entity \| Leasing Fees
Related Party Transaction [Line Items]
Fees incurred with related parties	$ 0