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Debt - Schedule of Status of Notes and Securitizations (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Mortgage loans
Debt Instrument [Line Items]
Carrying value of mortgages	$ 400,596	$ 628,615
Bond principal balance	$ 268,263	$ 414,338
Percentage of collateral coverage	149.00%	152.00%
Mortgage UPB	$ 1,015,033
Bond principal balance	789,905
Mortgage loans | 2019-D
Debt Instrument [Line Items]
Carrying value of mortgages	92,815	$ 99,367
Bond principal balance	$ 62,475	$ 67,739
Percentage of collateral coverage	149.00%	147.00%
Mortgage UPB	$ 193,301
Bond principal balance	156,670
Mortgage loans | 2019-F
Debt Instrument [Line Items]
Carrying value of mortgages	90,384	$ 96,870
Bond principal balance	$ 51,110	$ 57,936
Percentage of collateral coverage	177.00%	167.00%
Mortgage UPB	$ 170,876
Bond principal balance	127,673
Mortgage loans | 2020-B
Debt Instrument [Line Items]
Carrying value of mortgages	96,308	$ 100,245
Bond principal balance	$ 59,202	$ 63,574
Percentage of collateral coverage	163.00%	158.00%
Mortgage UPB	$ 156,468
Bond principal balance	114,534
Mortgage loans | 2021-A
Debt Instrument [Line Items]
Carrying value of mortgages	121,089	$ 127,250
Bond principal balance	$ 95,476	$ 102,057
Percentage of collateral coverage	127.00%	125.00%
Mortgage UPB	$ 206,506
Bond principal balance	175,116
Mortgage loans | 2021-B
Debt Instrument [Line Items]
Carrying value of mortgages	0	$ 204,883
Bond principal balance	$ 0	$ 123,032
Percentage of collateral coverage	0.00%	167.00%
Mortgage UPB	$ 287,882
Bond principal balance	215,912
Secured Debt
Debt Instrument [Line Items]
Deferred issuance costs	$ (1,500)	$ (3,100)

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