Repurchase Agreements - Borrowings Under Financing Arrangements and Associated Assets Pledged as Collateral (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Mar. 31, 2023	Jun. 30, 2023	Dec. 31, 2022
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Outstanding Repurchase Agreements		$ 664,459	$ 50,077
Value of Assets Pledged		3,136,812	3,525,080
Residential Loans
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Value of Assets Pledged		511,300	867,000
Single-Family Rental Homes
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Value of Assets Pledged		148,000
Repurchase agreements
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Outstanding Repurchase Agreements		664,459	50,077
Carrying Value of Repurchase Agreements		1,145,108	737,023
Value of Assets Pledged		$ 803,745	170,551
Weighted Average Months to Maturity	9 days	52 days
Residential loans
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Maximum Aggregate Uncommitted Principal Amount		$ 1,975,000	2,030,879
Outstanding Repurchase Agreements		481,947	688,487
Net Deferred Finance Costs		(1,298)	(1,541)
Value of Assets Pledged		$ 659,320	$ 867,033
Weighted Average Rate		7.57%	6.65%
Weighted Average Months to Maturity		11 years 9 months 14 days	16 years 8 months 8 days
Residential loans \| Repurchase agreements
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Carrying Value of Repurchase Agreements		$ 480,649	$ 686,946
Residential loans \| Repurchase Agreement, Non Mark-to Market
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Outstanding Repurchase Agreements		$ 187,600	$ 446,800
Weighted Average Rate		7.79%	6.77%
Weighted Average Months to Maturity		19 years 10 months 17 days	23 years 11 months 15 days

Assets Sold under Agreements to Repurchase, Deferred Finance Costs, Net

No definition available.

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- Definition

The total amount of repossession that is available under the repurchase agreement.

+ References

No definition available.

+ Details

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- Definition

Carrying amount of assets sold under agreements to repurchase when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under repurchase agreements exceeds 10 percent of total assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(m)(1)(i))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(m)(1)(ii)(A)(i))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

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- Definition

Interest rate on the amount to be repaid to the counterparty to the repurchase agreement when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under the repurchase agreement exceeds 10 percent of total assets.

+ References

+ Details

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- Definition

Amount to be repaid to the counterparty to the repurchase agreement when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under the repurchase agreement exceeds 10 percent of total assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(m)(1)(i))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(m)(1)(ii)(A)(ii))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

+ Details

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- Definition

Amount of investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column G))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479851/948-310-S99-1

+ Details

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- Definition

Weighted average maturity (weighted by amount of the agreement) of repurchase agreements with the counterparty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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/2009/role/commonPracticeRef
-Topic 860
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481420/860-30-50-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481420/860-30-50-7

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