Derivative Financial Instruments - Effect on the Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Unrealized losses arising during period	$ (420)	$ 0
Derivative loss reclassified from AOCI into income	(84)	0
Fair Value Hedges \| Interest rate cap agreements
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Unrealized losses arising during period	(420)	0
Derivative loss reclassified from AOCI into income	(84)	0
Derivative, gain (loss) on derivative, net	(3,229)	7,923
Fair Value Hedges \| us-gaap_InterestRateCapMember
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Unrealized losses arising during period	(572)	0
Derivative loss reclassified from AOCI into income	(84)	0
Derivative, gain (loss) on derivative, net	51	0
Fair Value Hedges \| Installment \| Interest rate cap agreements
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Unrealized losses arising during period	152	0
Derivative loss reclassified from AOCI into income	0	0
Derivative, gain (loss) on derivative, net	$ (14)	0
Fair Value Hedges \| Fixed Income Interest Rate \| Interest Rate Swap, Noncommercial
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Tax-exempt
Derivative, gain (loss) on derivative, net	$ (2,744)	7,547
Fair Value Hedges \| Fixed Income Interest Rate \| Commercial \| Interest Rate Swap
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest and fees on loans
Derivative, gain (loss) on derivative, net	$ (101)	376
Fair Value Hedges \| Fixed Income Interest Rate \| Installment \| Interest Rate Swap
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Derivative, gain (loss) on derivative, net	(421)	0
Derivatives not designated as hedging instruments
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Derivative, gain (loss) on derivative, net	$ (81)	(2,733)
Derivatives not designated as hedging instruments \| Interest rate cap agreements
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest Expense
Derivative, gain (loss) on derivative, net	$ 0	222
Derivatives not designated as hedging instruments \| Rate-lock mortgage loan commitments
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Mortgage loans
Derivative, gain (loss) on derivative, net	$ 683	(5,370)
Derivatives not designated as hedging instruments \| Mandatory commitments to sell mortgage loans
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Mortgage loans
Derivative, gain (loss) on derivative, net	$ (746)	1,974
Derivatives not designated as hedging instruments \| Interest rate swaption agreement
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Mortgage loans
Derivative, gain (loss) on derivative, net	$ 0	(186)
Derivatives not designated as hedging instruments \| Fixed Income Interest Rate \| Commercial \| Interest Rate Swap
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest income
Derivative, gain (loss) on derivative, net	$ 5,574	9,577
Derivatives not designated as hedging instruments \| Fixed Income Interest Rate \| Mortgage \| Interest Rate Swap
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Derivative, gain (loss) on derivative, net	0	627
Derivatives not designated as hedging instruments \| Variable Income Interest Rate \| Interest Rate Swap
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Derivative, gain (loss) on derivative, net	$ (18)	0
Derivatives not designated as hedging instruments \| Variable Income Interest Rate \| Commercial \| Interest Rate Swap
Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest income
Derivative, gain (loss) on derivative, net	$ (5,574)	$ (9,577)

Effect of derivative financial instruments on the condensed consolidated financial statements of operations [Abstract]

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A

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+ References

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- Definition

Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482790/220-10-45-11

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4C
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480627/815-20-45-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 10A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482790/220-10-45-10A

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Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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