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Derivatives - Derivative Financial Instruments (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Interest Rate Swap | Subordinated debt
Derivatives, Fair Value [Line Items]
Notional Amount	$ 30,000,000
Not designated as hedging
Derivatives, Fair Value [Line Items]
Notional Amount	2,315,869,000	$ 2,696,444,000
Asset	37,918,000	27,384,000
Liability	(27,949,000)	(20,215,000)
Not designated as hedging | Interest rate contracts
Derivatives, Fair Value [Line Items]
Notional Amount	587,309,000	600,048,000
Asset	23,245,000	19,265,000
Liability	(23,195,000)	(19,138,000)
Not designated as hedging | Forward commitments
Derivatives, Fair Value [Line Items]
Notional Amount	805,000,000	1,180,000,000
Asset	12,921,000	0
Liability	0	(1,077,000)
Not designated as hedging | Interest rate-lock commitments
Derivatives, Fair Value [Line Items]
Notional Amount	541,560,000	487,396,000
Asset	1,752,000	7,197,000
Liability	0	0
Not designated as hedging | Futures contracts
Derivatives, Fair Value [Line Items]
Notional Amount	382,000,000	429,000,000
Asset	0	922,000
Liability	(4,754,000)	0
Designated as hedging | Interest Rate Swap
Derivatives, Fair Value [Line Items]
Notional Amount	300,000,000
Designated as hedging | Interest Rate Swap | Subordinated debt
Derivatives, Fair Value [Line Items]
Notional Amount	30,000,000
Designated as hedging | Interest Rate Swap | Other assets | Subordinated debt
Derivatives, Fair Value [Line Items]
Asset	$ 262,000
Designated as hedging | Interest Rate Swap | Accrued expenses and other liabilities | Subordinated debt
Derivatives, Fair Value [Line Items]
Liability		$ (785,000)

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- 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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- 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
-Name Accounting Standards Codification
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-Section 50
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X

- 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
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X

- 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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