Aggregate cost of real estate expropriated.

No definition available.

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Balance Type:	debit
Period Type:	duration

- Definition

Closing costs related to expropriation.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Closing costs related to sale of property.

+ References

No definition available.

+ Details

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Namespace Prefix:	fvr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Gain (loss) on expropriation.

+ References

No definition available.

+ Details

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Namespace Prefix:	fvr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Lessor operating lease remaining lease term.

+ References

No definition available.

+ Details

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Namespace Prefix:	fvr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Lessor operating lease remaining lease term of acquired properties.

+ References

No definition available.

+ Details

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Namespace Prefix:	fvr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Net proceeds from sale of expropriation.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Net proceeds from sale of property.

+ References

No definition available.

+ Details

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Namespace Prefix:	fvr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of real estate properties acquired.

+ References

No definition available.

+ Details

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Namespace Prefix:	fvr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of real estate properties expropriated.

+ References

No definition available.

+ Details

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Namespace Prefix:	fvr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of real estate properties sold.

+ References

No definition available.

+ Details

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Namespace Prefix:	fvr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Proceeds from sale of expropriation.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482130/360-10-45-5

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-3

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

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Balance Type:	credit
Period Type:	duration

- Definition

Mortgage loan related to property sales in noncash investing and financing activities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-2

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Cash received for the sale of real estate that is not part of an investing activity during the current period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 12
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

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- Definition

Amount of decrease to accumulated depreciation for real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 970
-SubTopic 360
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-28(Column E)(Footnote 4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate.

+ References

+ Details

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 976
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477332/976-310-50-1

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Real Estate Held for Investment and Lease Arrangements - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2026 USD ($) Property	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) Property	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($) Property
Real Estate [Line Items]
Number of real estate properties \| Property	316		316		303
Average remaining lease term, excluding renewal options			6 years 10 months 24 days		6 years 10 months 24 days
Number of real estate properties acquired \| Property			27		32
Aggregate purchase price (including acquisition costs)			$ 93,200		$ 125,400
Average remaining lease term of acquired properties			8 years 3 months 18 days		11 years 6 months
Number of real estate properties sold \| Property			15		36
Proceeds from sale of real estate properties			$ 32,500		$ 78,100
Number of real estate properties expropriated \| Property					2
Proceeds from sale of expropriation					$ 5,400
Net proceeds from sale of expropriation					5,000
Closing costs related to expropriation					400
Gain on expropriation					4,700
Net proceeds from sale of real estate properties			31,100		73,800
Mortgage loans receivable					9,000
Aggregate cost of real estate expropriated					300
Closing costs related to sale of property			1,400		4,300
Gain on sale of real estate properties	$ 2,262	$ 1,194	3,225	$ 1,661
Aggregate cost of properties sold, at the date of sales			28,700		78,400
Accumulated depreciation and amortization of properties sold, at the date of sales			900		$ 11,600
Partial Interest in Real Estate Property
Real Estate [Line Items]
Number of real estate properties sold \| Property					1
Proceeds from sale of real estate properties					$ 2,800
Net proceeds from sale of real estate properties					2,600
Mortgage loans receivable					2,200
Closing costs related to sale of property					200
Gain on sale of real estate properties					200
Aggregate cost of properties sold, at the date of sales					2,400
25 Real Estate Properties
Real Estate [Line Items]
Gain on sale of real estate properties			$ 3,300
36 Real Estate Properties
Real Estate [Line Items]
Gain on sale of real estate properties					$ 7,000