Subsequent Events - Additional Information (Detail) - Subsequent Event		1 Months Ended
Apr. 30, 2026 $ / shares	Apr. 30, 2026 $ / shares
Quarterly Cash Dividend
Subsequent Event [Line Items]
Cash dividend per share	$ 0.3	$ 0.3
Dividends payable, date to be paid	Jun. 10, 2026
Dividend date of record	May 20, 2026
Dividend date of declaration	2026-04	2026-04
RMR IV warehouse
Subsequent Event [Line Items]
Revolving period end date	2027-05	2027-05
Extend maturity date		2028-05
Credit facility maturity date description		RMR IV revolving warehouse credit facility to, among other things and subject to certain conditions, (i) extend the revolving period end date to May 2027 and (ii) extend the maturity date to May 2028.
RMR V warehouse
Subsequent Event [Line Items]
Revolving period end date	2027-11	2027-11
Extend maturity date		2028-11
Credit facility maturity date description		RMR V revolving warehouse credit facility to, among other things and subject to certain conditions, (i) extend the revolving period end date to November 2027 and (ii) extend the maturity date to November 2028.
RMR VI warehouse
Subsequent Event [Line Items]
Revolving period end date	2028-04	2028-04
Extend maturity date		2029-04
Credit facility maturity date description		RMR VI revolving warehouse credit facility to, among other things and subject to certain conditions, (i) extend the revolving period end date to April 2028 and (ii) extend the maturity date to April 2029.
RMR VII warehouse
Subsequent Event [Line Items]
Revolving period end date	2027-10	2027-10
Extend maturity date		2028-10
Credit facility maturity date description		RMR VII revolving warehouse credit facility to, among other things and subject to certain conditions, (i) extend the revolving period end date to October 2027, (ii) establish a one-year amortization period, extending the maturity date to October 2028
Interest rate percentage		2.10%

Debt instrument revolving period end month and year.

No definition available.

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- Definition

Extended debt instrument maturity date.

+ References

No definition available.

+ Details

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- Definition

The average effective interest rate during the reporting period.

+ 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(22)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-2

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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.

+ References

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- Definition

Date the declared dividend will be paid, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

+ Details

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- Definition

The month and year (YYYY-MM) that the dividend to be paid was declared.

+ References

+ Details

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- Definition

Date the holder must own the stock to be entitled to the dividend, in YYYY-MM-DD format.

+ References

No definition available.

+ Details

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

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