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Derivative Financial Instruments - Summary of Fair Value of Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Designated as Hedging Instrument
Derivative [Line Items]
Assets	$ 5,559	$ 18,211
Liabilities	24,005	16,912
Designated as Hedging Instrument | Cash flow hedges | Interest rate collars and floors on loan pools
Derivative [Line Items]
Notional	900,000	600,000
Assets	5,493	459
Liabilities	24,005	2,173
Designated as Hedging Instrument | Cash flow hedges | Interest rate swaps on borrowings
Derivative [Line Items]
Notional	150,000	150,000
Assets	0	4,316
Liabilities	0	0
Designated as Hedging Instrument | Fair value hedges | Interest rate swaps on borrowings
Derivative [Line Items]
Notional	352,500	377,500
Assets	66	2,475
Liabilities	0	96
Designated as Hedging Instrument | Fair value hedges | Interest rate swaps on investment securities
Derivative [Line Items]
Notional	909,957	909,957
Assets	0	10,961
Liabilities	0	14,643
Not Designated as Hedging Instrument
Derivative [Line Items]
Assets	70,717	56,015
Liabilities	201,772	24,960
Not Designated as Hedging Instrument | Interest rate lock commitments
Derivative [Line Items]
Notional	94,678	90,731
Assets	300	2,352
Liabilities	0	0
Not Designated as Hedging Instrument | Forward mortgage loan contracts
Derivative [Line Items]
Notional	100,089	126,107
Assets	920	242
Liabilities	0	0
Not Designated as Hedging Instrument | Customer interest rate swaps
Derivative [Line Items]
Notional	4,931,862	2,433,177
Assets	8,821	52,439
Liabilities	194,038	11,658
Not Designated as Hedging Instrument | Counterparty interest rate swaps
Derivative [Line Items]
Notional	4,931,862	2,433,177
Assets	60,108	583
Liabilities	7,220	12,956
Not Designated as Hedging Instrument | Customer foreign currency forward contracts
Derivative [Line Items]
Notional	15,406	10,292
Assets	568	399
Liabilities	0	0
Not Designated as Hedging Instrument | Counterparty foreign currency forward contracts
Derivative [Line Items]
Notional	15,328	10,205
Assets	0	0
Liabilities	$ 514	$ 346

X

- Definition

Fair value, after the 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 not elected to be offset.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
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- Definition

Fair value, after the 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 not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
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