Fair Value Measurement and Fair Value of Financial Instruments - Quantitative Information for Significant Unobservable Inputs (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Derivative Assets
Derivative assets - Fair value	$ 610,920	$ 755,328
Derivative Liabilities
Derivative liabilities - Fair Value	613,314	887,264
Fair Value, Measurements, Recurring
Derivative Assets
Derivative assets - Fair value	610,920	755,328
Derivative Liabilities
Derivative liabilities - Fair Value	613,314	887,264
Fair Value, Measurements, Nonrecurring
Derivative Liabilities
Loans held-for-investment, fair value disclosure	45,892	72,614
Level 3 \| Fair Value, Measurements, Recurring
Derivative Assets
Derivative assets - Fair value	336	323
Derivative Liabilities
Derivative liabilities - Fair Value	15,119	0
Level 3 \| Fair Value, Measurements, Nonrecurring
Derivative Liabilities
Loans held-for-investment, fair value disclosure	45,892	72,614
Level 3 \| Fair Value, Measurements, Nonrecurring \| Investments in qualified affordable housing partnerships, tax credit and other investments, net
Derivative Liabilities
Investments in qualified affordable housing partnerships, tax credit and other investments, net	868
Level 3 \| Fair Value, Measurements, Nonrecurring \| Discounted cash flows
Derivative Liabilities
Loans held-for-investment, fair value disclosure		23,322
Level 3 \| Fair Value, Measurements, Nonrecurring \| Fair value of collateral
Derivative Liabilities
Loans held-for-investment, fair value disclosure	16,328	17,912
Level 3 \| Fair Value, Measurements, Nonrecurring \| Fair value of property
Derivative Liabilities
Loans held-for-investment, fair value disclosure	$ 26,555	$ 31,380
Level 3 \| Fair Value, Measurements, Nonrecurring \| Selling cost \| Fair value of property
Derivative Liabilities
Loans held-for-investment, measurement input	8.00%	8.00%
Level 3 \| Fair Value, Measurements, Nonrecurring \| Minimum \| Discount \| Discounted cash flows
Derivative Liabilities
Loans held-for-investment, measurement input		4.00%
Level 3 \| Fair Value, Measurements, Nonrecurring \| Minimum \| Discount \| Fair value of collateral
Derivative Liabilities
Loans held-for-investment, measurement input	15.00%	15.00%
Level 3 \| Fair Value, Measurements, Nonrecurring \| Maximum \| Discount \| Discounted cash flows
Derivative Liabilities
Loans held-for-investment, measurement input		6.00%
Level 3 \| Fair Value, Measurements, Nonrecurring \| Maximum \| Discount \| Fair value of collateral
Derivative Liabilities
Loans held-for-investment, measurement input	75.00%	75.00%
Level 3 \| Fair Value, Measurements, Nonrecurring \| Weighted Average \| Discount \| Discounted cash flows
Derivative Liabilities
Loans held-for-investment, measurement input		4.00%
Level 3 \| Fair Value, Measurements, Nonrecurring \| Weighted Average \| Discount \| Fair value of collateral
Derivative Liabilities
Loans held-for-investment, measurement input	45.00%	37.00%
Level 3 \| Fair Value, Measurements, Nonrecurring \| Weighted Average \| Selling cost \| Fair value of property
Derivative Liabilities
Loans held-for-investment, measurement input	8.00%	8.00%
Equity contracts \| Fair Value, Measurements, Recurring
Derivative Assets
Derivative assets - Fair value	$ 336	$ 323
Derivative Liabilities
Derivative liabilities - Fair Value	15,119
Equity contracts \| Level 3 \| Fair Value, Measurements, Recurring
Derivative Assets
Derivative assets - Fair value	336	$ 323
Derivative Liabilities
Derivative liabilities - Fair Value	$ 15,119
Equity contracts \| Level 3 \| Fair Value, Measurements, Recurring \| Liquidity discount
Derivative Liabilities
Measurement input	47.00%	47.00%
Equity contracts \| Level 3 \| Fair Value, Measurements, Recurring \| Payout % designated based on operating revenue and operating EBITDA of investee
Derivative Liabilities
Measurement input	84.00%
Equity contracts \| Level 3 \| Fair Value, Measurements, Recurring \| Minimum \| Equity volatility \| Black-Scholes option pricing model
Derivative Liabilities
Measurement input	37.00%	42.00%
Equity contracts \| Level 3 \| Fair Value, Measurements, Recurring \| Maximum \| Equity volatility \| Black-Scholes option pricing model
Derivative Liabilities
Measurement input	48.00%	60.00%
Equity contracts \| Level 3 \| Fair Value, Measurements, Recurring \| Weighted Average \| Equity volatility \| Black-Scholes option pricing model
Derivative Liabilities
Measurement input	45.00%	54.00%
Equity contracts \| Level 3 \| Fair Value, Measurements, Recurring \| Weighted Average \| Liquidity discount
Derivative Liabilities
Measurement input	47.00%	47.00%
Equity contracts \| Level 3 \| Fair Value, Measurements, Recurring \| Weighted Average \| Payout % designated based on operating revenue and operating EBITDA of investee
Derivative Liabilities
Measurement input	84.00%

Equity Contracts, Measurement Input

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- Definition

Loans Receivable, Measurement Input

+ References

No definition available.

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 5C
-Subparagraph (SX 210.12-13C(Column F))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5C

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 5B
-Subparagraph (SX 210.12-13B(Column E))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5B

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483444/210-20-55-22

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483466/210-20-50-3

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- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and elected not to be offset.

+ References

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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Publisher FASB
-URI https://asc.fasb.org//310-10/tableOfContent

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