Capital commitments from investors.

No definition available.

Name:	ck0001893262_CapitalCommitmentsFromInvestors
Namespace Prefix:	ck0001893262_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Capitalized investment.

+ References

No definition available.

+ Details

Name:	ck0001893262_CapitalizedInvestment
Namespace Prefix:	ck0001893262_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Common stock purchased

+ References

No definition available.

+ Details

Name:	ck0001893262_CommonStockPurchased
Namespace Prefix:	ck0001893262_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Common stock value authorized.

+ References

No definition available.

+ Details

Name:	ck0001893262_CommonStockValueAuthorized
Namespace Prefix:	ck0001893262_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Common stock value registered.

+ References

No definition available.

+ Details

Name:	ck0001893262_CommonStockValueRegistered
Namespace Prefix:	ck0001893262_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Expiration date of subscription agreement.

+ References

No definition available.

+ Details

Name:	ck0001893262_ExpirationDateOfSubscriptionAgreement
Namespace Prefix:	ck0001893262_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Future net asset value threshold.

+ References

No definition available.

+ Details

Name:	ck0001893262_FutureNetAssetValueThreshold
Namespace Prefix:	ck0001893262_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Maximum capital commitments.

+ References

No definition available.

+ Details

Name:	ck0001893262_MaximumCapitalCommitments
Namespace Prefix:	ck0001893262_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of repurchase plan restriction monthly.

+ References

No definition available.

+ Details

Name:	ck0001893262_PercentageOfRepurchasePlanRestrictionMonthly
Namespace Prefix:	ck0001893262_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of repurchase plan restriction quarterly.

+ References

No definition available.

+ Details

Name:	ck0001893262_PercentageOfRepurchasePlanRestrictionQuarterly
Namespace Prefix:	ck0001893262_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_CommonStockSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

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

- Definition

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 946
-SubTopic 830
-Name Accounting Standards Codification
-Section 55
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479168/946-830-55-11

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478009/946-205-45-4

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478448/946-505-50-2

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-09(4)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3

Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

+ Details

Name:	us-gaap_StockIssuedDuringPeriodValueNewIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_TypeOfArrangementAxis=ck0001893262_AmendmentToSubscriptionAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=ck0001893262_ClassECommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=ck0001893262_ClassEOperatingPartnershipUnitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=ck0001893262_JPMorganInvestmentManagementIncorporatedMember
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:	us-gaap_StatementClassOfStockAxis=ck0001893262_CommonClassEMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_IPOMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=ck0001893262_DistributionReinvestmentPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Capitalization - Additional Information (Details) - USD ($)		3 Months Ended		6 Months Ended
	May 26, 2022	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024	Jul. 06, 2022	Nov. 15, 2021
Schedule Of Capitalization [Line Items]
Common stock issued		$ 106,867,000	$ 27,451,000	$ 403,802,000	$ 50,345,000
Amendment to Subscription Agreement
Schedule Of Capitalization [Line Items]
Expiration date of subscription agreement	Aug. 23, 2023
Class E Shares
Schedule Of Capitalization [Line Items]
Common Stock, Shares, Issued		49,772,000		49,772,000		18,566,000
Common stock purchased				5,800,000
Class E Operating Partnership Unit
Schedule Of Capitalization [Line Items]
Common stock purchased				94,200,000
Adviser
Schedule Of Capitalization [Line Items]
Capitalized investment								$ 200,000
Net asset value		$ 1,500,000,000		$ 1,500,000,000
Share repurchase plan, monthly		2.00%		2.00%
Share repurchase plan, quarterly		5.00%		5.00%
Adviser \| Maximum
Schedule Of Capitalization [Line Items]
Maximum allowable ownership interest percentage		24.99%		24.99%
Adviser \| Amendment to Subscription Agreement
Schedule Of Capitalization [Line Items]
Net asset value	$ 1,500,000,000
Adviser \| Class E Shares
Schedule Of Capitalization [Line Items]
Common Stock, Shares, Issued								20,000
Common stock issued				$ 67,900,000
Adviser \| Common Stock Class E
Schedule Of Capitalization [Line Items]
Share repurchase plan, monthly		2.00%		2.00%
Share repurchase plan, quarterly		5.00%		5.00%
Adviser \| Common Stock Class E \| Amendment to Subscription Agreement
Schedule Of Capitalization [Line Items]
Capital commitments from investors	100,000,000
Maximum capital commitments	$ 75,000,000
Adviser \| Class E Operating Partnership Unit
Schedule Of Capitalization [Line Items]
Common stock issued				$ 94,200,000
Primary Offering
Schedule Of Capitalization [Line Items]
Common stock, shares registered, amount							$ 5,000,000,000
Common stock, shares authorized, amount							4,000,000,000
Distribution Reinvestment Plan
Schedule Of Capitalization [Line Items]
Common stock, shares authorized, amount							$ 1,000,000,000