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Derivative Instruments - Hedge Derivatives (Details) - USD ($) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 13, 2022 | Apr. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Derivative [Line Items] |  |  |  |  |  |
Loss (gain) on cash flow hedges reclassified from other comprehensive income into net income, net of tax |  |  | $ (9,975,000) |  | $ (9,645,000) | $ 5,542,000
Amortization |  |  | 2,800,000 |  | 1,600,000 | 2,300,000
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months |  |  | 9,800,000 |  |  |
Hedging derivative | Cash flow hedge |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Unrealized Gain (Loss) in Accumulated Other Comprehensive Income |  |  | 1,002,000 |  | (15,034,000) | 65,426,000
Hedging derivative | Fair value hedge |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Amortization |  |  | 1,900,000 |  | 3,500,000 | 4,300,000
Hedging derivative | Fair value hedge | Securities |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Derivative Instruments and Hedges, Assets |  |  | 1,445,511,000 |  | 1,165,773,000 |
Fair Value Hedging Adjustment |  |  | (56,056,000) |  | 24,672,000 |
Gain (Loss) on Fair Value Hedges Recognized in Earnings |  |  | 80,728,000 |  | 42,642,000 | (26,536,000)
Increase (Decrease) in Fair Value of Hedged Item in Interest Rate Fair Value Hedge |  |  | (80,728,000) |  | (42,642,000) | 26,536,000
Notional |  |  | 1,420,724,000 |  | 1,031,490,000 |
Fair Value Hedges, Net |  |  | 56,056,000 | [1] | (24,672,000) |
Hedging derivative | Fair value hedge | Securities | LIBOR |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Forecasted Notional Amount of Interest Rate Derivatives |  |  | 464,700,000 |  |  |
Hedging derivative | Fair value hedge | Securities | Federal Funds Rate |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Forecasted Notional Amount of Interest Rate Derivatives |  |  | 392,200,000 |  |  |
Hedging derivative | Fair value hedge | Securities | Secured Overnight Financing Rate |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Forecasted Notional Amount of Interest Rate Derivatives |  |  | 563,800,000 |  |  |
Asset derivatives | Hedging derivative | Cash flow hedge |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Unrealized Gain (Loss) in Accumulated Other Comprehensive Income |  |  | 1,002,000 |  | (15,034,000) | 62,979,000
Notional |  |  | 1,750,000,000 |  | 0 |
Cash Flow Hedges Derivative Instruments at Fair Value, Net |  |  | $ 94,175,000 |  | 0 |
Asset derivatives | Hedging derivative | Fair value hedge | Securities |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Pay Rate (as percent) |  |  | 2.25% |  |  |
Gain (Loss) on Fair Value Hedges Recognized in Earnings |  | $ 986,000 |  |  |  |
Notional |  |  | $ 1,420,724,000 |  | 559,820,000 |
Weighted Average Remaining Maturity Derivative |  |  | 7 years 5 months 4 days |  |  |
Derivative, Underlying Basis |  |  | 3 month LIBOR/Federal funds/SOFR |  |  |
Fair Value Hedge Assets |  |  | $ 56,056,000 | [1] | 15,109,000 |
Derivative Asset, Statement of Financial Position [Extensible Enumeration] |  |  | Other assets |  |  |
Gain (Loss) on Fair Value Hedges to be Recognized in Earnings |  | 11,600,000 |  |  |  |
Terminated Fair Value Amount of Interest Rate Derivatives |  | 14,300,000 |  |  |  |
Terminated Notional Amount of Interest Rate Derivatives |  | $ 164,300,000 |  |  |  |
Asset derivatives | Hedging derivative | Interest Rate Floor |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Receive Rate |  |  | N/A |  |  |
Notional |  |  | $ 875,000,000 |  | 0 |
Cash Flow Hedges Derivative Instruments at Fair Value, Net |  |  | $ 48,622,000 |  | $ 0 |
Weighted Average Remaining Maturity Derivative |  |  | 4 years 10 months 2 days |  |  |
Derivative, Type of Interest Received |  |  | 4.00%-4.50% minus USD-Term SOFR 1M |  |  |
Derivative Asset, Statement of Financial Position [Extensible Enumeration] |  |  | Other assets |  | Other assets |
Asset derivatives | Hedging derivative | Interest Rate Contract |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Receive Rate |  |  | USD-Term SOFR 1M minus 6.75%-7.00% |  |  |
Notional |  |  | $ 875,000,000 |  | $ 0 |
Cash Flow Hedges Derivative Instruments at Fair Value, Net |  |  | $ 45,553,000 |  | $ 0 |
Weighted Average Remaining Maturity Derivative |  |  | 4 years 10 months 2 days |  |  |
Derivative, Type of Interest Received |  |  | 4.25%-4.75% minus USD-Term SOFR 1M |  |  |
Derivative Asset, Statement of Financial Position [Extensible Enumeration] |  |  | Other assets |  | Other assets |
Liability derivatives | Hedging derivative | Cash flow hedge |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Unrealized Gain (Loss) in Accumulated Other Comprehensive Income |  |  | $ 0 |  | $ 0 | $ 2,447,000
Liability derivatives | Hedging derivative | Fair value hedge | Securities |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Pay Rate (as percent) |  |  | 0.00% |  |  |
Notional |  |  | $ 0 |  | 471,670,000 |
Weighted Average Remaining Maturity Derivative |  |  | 0 years |  |  |
Derivative, Underlying Basis |  |  | N/A |  |  |
Fair Value Hedge Liabilities |  |  | $ 0 | [1] | $ (39,781,000) |
Derivative Liability, Statement of Financial Position [Extensible Enumeration] |  |  | Other liabilities |  |  |
Cash flow hedge | Hedging derivative |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Notional | $ 1,800,000,000 |  |  |  |  |
Derivative, Cost of Hedge | $ 95,700,000 |  |  |  |  |
[1] | The variation margin payments for derivatives cleared through central clearing houses are characterized as settlements. At December 31, 2022, the notional amount of fair value derivatives hedges cleared through clearing houses is $877.7 million with a fair value that approximates zero due to $47.9 million in received variation margin payments.

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