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Derivatives and Hedging Activities - Schedule of Notional Amount and Fair Value of Derivatives Designated and Not Designated as Hedging Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Derivatives, Fair Value [Line Items]
Derivative, notional amount	$ 4,295,168	$ 2,392,483
Credit risk derivative asset, fair value	85,957	57,823
Credit risk derivative liability, fair value	75,538	54,069
Credit default swap
Derivatives, Fair Value [Line Items]
Derivative, notional amount	71,200	75,800
Derivatives Not Designated as Hedging Instruments | Interest rate swaps and cap contracts
Derivatives, Fair Value [Line Items]
Derivative, notional amount	2,254,358	1,537,760
Credit risk derivative asset, fair value	73,854	53,768
Credit risk derivative liability, fair value	73,877	53,809
Derivatives Not Designated as Hedging Instruments | Credit default swap
Derivatives, Fair Value [Line Items]
Derivative, notional amount	71,246	75,802
Credit risk derivative asset, fair value	0	0
Credit risk derivative liability, fair value	844	234
Derivatives Designated as Hedging Instruments | Cash Flow Hedging | Interest Rate Option
Derivatives, Fair Value [Line Items]
Derivative, notional amount	1,320,000
Credit risk derivative asset, fair value	0
Credit risk derivative liability, fair value	817
Derivatives Designated as Hedging Instruments | Cash Flow Hedging | Interest Rate Swap
Derivatives, Fair Value [Line Items]
Derivative, notional amount		100,000
Credit risk derivative asset, fair value		0
Credit risk derivative liability, fair value		0
Derivatives Designated as Hedging Instruments | Fair Value Hedging | Interest Rate Swap
Derivatives, Fair Value [Line Items]
Derivative, notional amount	649,564	678,921
Credit risk derivative asset, fair value	12,103	4,055
Credit risk derivative liability, fair value	$ 0	$ 26

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- Definition

Fair value of credit risk derivative asset.

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