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Mortgage Banking Activities, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Other income, net	$ 6,293	$ 4,158	$ 10,799	$ 8,714
Mortgage banking activities, net	18,924	16,552	33,480	33,223
Residential Consumer Mortgage Banking Activities, Net:
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Other income, net	1,348	1,334	1,429	1,315
Mortgage banking activities, net	6,245	7,061	14,072	10,426
Residential Consumer Mortgage Banking Activities, Net: | Residential consumer loans, at fair value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Changes in fair value of assets	14,305	1,335	10,451	8,090
Residential Consumer Mortgage Banking Activities, Net: | Trading securities
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Changes in fair value of assets	2,611	1,923	11,122	1,923
Residential Consumer Mortgage Banking Activities, Net: | Risk management derivatives
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Risk management derivatives	(12,019)	2,469	(8,930)	(902)
Residential Investor Mortgage Banking Activities, Net:
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Other income, net	5,871	5,369	9,441	9,952
Mortgage banking activities, net	12,679	9,491	19,408	22,797
Residential Investor Mortgage Banking Activities, Net: | Residential investor term loans, at fair value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Changes in fair value of assets	6,068	(1,132)	5,772	11,534
Residential Investor Mortgage Banking Activities, Net: | Residential investor bridge loans, at fair value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Changes in fair value of assets	(368)	2,297	2,141	3,450
Residential Investor Mortgage Banking Activities, Net: | Risk management derivatives
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Risk management derivatives	$ 1,108	$ 2,957	$ 2,054	$ (2,139)

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The net income attributable to mortgage banking activities. This includes market valuations related to residential and commercial loans, Sequoia IOs, and mortgage banking derivatives, as well as realized gains or losses associated with mortgage loan sales.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
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-Section S99
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-Publisher FASB
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Amount of unrealized gain (loss) related to the fair value of price risk derivatives designated as fair value hedging instruments, as offset by the gain (loss) on the hedged item to the extent that the fair value hedge is determined to be effective.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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