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v3.23.3

Derivative Financial Instruments - Summary of Fair Value of Derivative Financial Instruments (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Assets | $ 2,214 | $ 11,764
Liabilities | 27,749 | 47,859
Designated as Hedging Instrument | Cash flow hedges | Interest rate collars and floors on loan pools |  |
Derivative [Line Items] |  |
Notional | 1,500,000 | 1,900,000
Assets | 2,214 | 11,764
Liabilities | 27,749 | 47,859
Designated as Hedging Instrument | Cash flow hedges | Interest rate swaps on borrowings |  |
Derivative [Line Items] |  |
Notional | 150,000 | 150,000
Assets | 0 | 0
Liabilities | 0 | 0
Designated as Hedging Instrument | Fair value hedges | Interest rate swaps on borrowings |  |
Derivative [Line Items] |  |
Notional | 700,000 | 300,000
Assets | 0 | 0
Liabilities | 0 | 0
Designated as Hedging Instrument | Fair value hedges | Interest rate swaps on investment securities |  |
Derivative [Line Items] |  |
Notional | 998,107 | 909,957
Assets | 0 | 0
Liabilities | 0 | 0
Not Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Assets | 225,619 | 157,237
Liabilities | 381,520 | 332,845
Not Designated as Hedging Instrument | Interest rate lock commitments |  |
Derivative [Line Items] |  |
Notional | 42,492 | 21,401
Assets | 0 | 93
Liabilities | 146 | 0
Not Designated as Hedging Instrument | Forward mortgage loan contracts |  |
Derivative [Line Items] |  |
Notional | 54,730 | 30,330
Assets | 1,031 | 32
Liabilities | 0 | 0
Not Designated as Hedging Instrument | Customer interest rate swaps |  |
Derivative [Line Items] |  |
Notional | 5,775,638 | 5,220,363
Assets | 1,208 | 5,676
Liabilities | 379,864 | 326,924
Not Designated as Hedging Instrument | Counterparty interest rate swaps |  |
Derivative [Line Items] |  |
Notional | 5,775,634 | 5,220,363
Assets | 222,907 | 151,111
Liabilities | 1,213 | 5,711
Not Designated as Hedging Instrument | Customer foreign currency contracts |  |
Derivative [Line Items] |  |
Notional | 13,234 | 8,341
Assets | 218 | 253
Liabilities | 156 | 42
Not Designated as Hedging Instrument | Counterparty foreign currency contracts |  |
Derivative [Line Items] |  |
Notional | 12,970 | 8,297
Assets | 255 | 72
Liabilities | $ 141 | $ 168

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