Disclosures About Fair Value of Financial Instruments - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Derivatives Not Designated as Hedging Instruments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	$ 48,009	$ 42,772
Derivative liabilities	44,581	42,940
Level 1
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	0	0
Total financial assets	277,172	169,613
Level 1 | Interest rate lock commitments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Level 1 | Forward commitments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Level 1 | Foreign exchange swaps
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0
Derivative liabilities	0	0
Level 1 | Interest rate swap agreements | Derivatives Designated as Hedging Instruments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Derivative liabilities		0
Level 1 | Interest rate swap agreements | Derivatives Not Designated as Hedging Instruments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Derivative liabilities	0	0
Level 1 | Risk participation agreements
Assets and liabilities measured at fair value on a recurring basis
Derivative liabilities	0	0
Level 2
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	1,029,191	1,043,359
Total financial assets	1,740,382	1,784,996
Level 2 | Interest rate lock commitments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Level 2 | Forward commitments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	70	12
Level 2 | Foreign exchange swaps
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	2
Derivative liabilities	25	291
Level 2 | Interest rate swap agreements | Derivatives Designated as Hedging Instruments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	2,726	713
Derivative liabilities		1,198
Level 2 | Interest rate swap agreements | Derivatives Not Designated as Hedging Instruments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	44,420	41,406
Derivative liabilities	44,450	41,437
Level 2 | Risk participation agreements
Assets and liabilities measured at fair value on a recurring basis
Derivative liabilities	106	14
Level 3
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	0	0
Total financial assets	10,279,987	10,284,002
Level 3 | Interest rate lock commitments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	791	641
Level 3 | Forward commitments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Level 3 | Foreign exchange swaps
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0
Derivative liabilities	0	0
Level 3 | Interest rate swap agreements | Derivatives Designated as Hedging Instruments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Derivative liabilities		0
Level 3 | Interest rate swap agreements | Derivatives Not Designated as Hedging Instruments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Derivative liabilities	0	0
Level 3 | Risk participation agreements
Assets and liabilities measured at fair value on a recurring basis
Derivative liabilities	0	0
Recurring
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	112,649	182,068
Total mortgage-backed securities	916,542	861,291
Total financial assets	1,077,200	1,086,131
Total liabilities	44,581	42,940
Recurring | U.S. government and agencies
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	36,971	58,314
Recurring | Government-sponsored enterprises
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	180	40,597
Recurring | States and political subdivisions
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	58,741	75,469
Recurring | Corporate
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	16,757	7,688
Recurring | Mortgage-backed securities | GNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	56,127	17,441
Recurring | Mortgage-backed securities | FNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	64,816	102,678
Recurring | Mortgage-backed securities | FHLMC
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	95,220	70,830
Recurring | Mortgage-backed securities | Non-agency
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	5	5
Recurring | Collateralized mortgage obligations | GNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	489,211	331,784
Recurring | Collateralized mortgage obligations | FNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	77,941	148,892
Recurring | Collateralized mortgage obligations | FHLMC
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	133,222	189,661
Recurring | Interest rate lock commitments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	791	641
Recurring | Forward commitments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	70	12
Recurring | Foreign exchange swaps
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	2
Derivative liabilities	25	291
Recurring | Interest rate swap agreements | Derivatives Designated as Hedging Instruments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	2,726	713
Derivative liabilities		1,198
Recurring | Interest rate swap agreements | Derivatives Not Designated as Hedging Instruments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	44,420	41,406
Derivative liabilities	44,450	41,437
Recurring | Risk participation agreements
Assets and liabilities measured at fair value on a recurring basis
Derivative liabilities	106	14
Recurring | Level 1
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	0	0
Total mortgage-backed securities	0	0
Total financial assets	0	0
Total liabilities	0	0
Recurring | Level 1 | U.S. government and agencies
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	0	0
Recurring | Level 1 | Government-sponsored enterprises
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	0	0
Recurring | Level 1 | States and political subdivisions
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	0	0
Recurring | Level 1 | Corporate
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	0	0
Recurring | Level 1 | Mortgage-backed securities | GNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	0	0
Recurring | Level 1 | Mortgage-backed securities | FNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	0	0
Recurring | Level 1 | Mortgage-backed securities | FHLMC
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	0	0
Recurring | Level 1 | Mortgage-backed securities | Non-agency
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	0	0
Recurring | Level 1 | Collateralized mortgage obligations | GNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	0	0
Recurring | Level 1 | Collateralized mortgage obligations | FNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	0	0
Recurring | Level 1 | Collateralized mortgage obligations | FHLMC
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	0	0
Recurring | Level 1 | Interest rate lock commitments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Recurring | Level 1 | Forward commitments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Recurring | Level 1 | Foreign exchange swaps
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0
Derivative liabilities	0	0
Recurring | Level 1 | Interest rate swap agreements | Derivatives Designated as Hedging Instruments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Derivative liabilities		0
Recurring | Level 1 | Interest rate swap agreements | Derivatives Not Designated as Hedging Instruments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Derivative liabilities	0	0
Recurring | Level 1 | Risk participation agreements
Assets and liabilities measured at fair value on a recurring basis
Derivative liabilities	0	0
Recurring | Level 2
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	112,649	182,068
Total mortgage-backed securities	916,542	861,291
Total financial assets	1,076,409	1,085,490
Total liabilities	44,581	42,940
Recurring | Level 2 | U.S. government and agencies
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	36,971	58,314
Recurring | Level 2 | Government-sponsored enterprises
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	180	40,597
Recurring | Level 2 | States and political subdivisions
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	58,741	75,469
Recurring | Level 2 | Corporate
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	16,757	7,688
Recurring | Level 2 | Mortgage-backed securities | GNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	56,127	17,441
Recurring | Level 2 | Mortgage-backed securities | FNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	64,816	102,678
Recurring | Level 2 | Mortgage-backed securities | FHLMC
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	95,220	70,830
Recurring | Level 2 | Mortgage-backed securities | Non-agency
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	5	5
Recurring | Level 2 | Collateralized mortgage obligations | GNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	489,211	331,784
Recurring | Level 2 | Collateralized mortgage obligations | FNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	77,941	148,892
Recurring | Level 2 | Collateralized mortgage obligations | FHLMC
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	133,222	189,661
Recurring | Level 2 | Interest rate lock commitments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Recurring | Level 2 | Forward commitments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	70	12
Recurring | Level 2 | Foreign exchange swaps
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	2
Derivative liabilities	25	291
Recurring | Level 2 | Interest rate swap agreements | Derivatives Designated as Hedging Instruments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	2,726	713
Derivative liabilities		1,198
Recurring | Level 2 | Interest rate swap agreements | Derivatives Not Designated as Hedging Instruments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	44,420	41,406
Derivative liabilities	44,450	41,437
Recurring | Level 2 | Risk participation agreements
Assets and liabilities measured at fair value on a recurring basis
Derivative liabilities	106	14
Recurring | Level 3
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	0	0
Total mortgage-backed securities	0	0
Total financial assets	791	641
Total liabilities	0	0
Recurring | Level 3 | U.S. government and agencies
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	0	0
Recurring | Level 3 | Government-sponsored enterprises
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	0	0
Recurring | Level 3 | States and political subdivisions
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	0	0
Recurring | Level 3 | Corporate
Assets and liabilities measured at fair value on a recurring basis
Total debt securities	0	0
Recurring | Level 3 | Mortgage-backed securities | GNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	0	0
Recurring | Level 3 | Mortgage-backed securities | FNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	0	0
Recurring | Level 3 | Mortgage-backed securities | FHLMC
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	0	0
Recurring | Level 3 | Mortgage-backed securities | Non-agency
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	0	0
Recurring | Level 3 | Collateralized mortgage obligations | GNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	0	0
Recurring | Level 3 | Collateralized mortgage obligations | FNMA
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	0	0
Recurring | Level 3 | Collateralized mortgage obligations | FHLMC
Assets and liabilities measured at fair value on a recurring basis
Total mortgage-backed securities	0	0
Recurring | Level 3 | Interest rate lock commitments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	791	641
Recurring | Level 3 | Forward commitments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Recurring | Level 3 | Foreign exchange swaps
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0
Derivative liabilities	0	0
Recurring | Level 3 | Interest rate swap agreements | Derivatives Designated as Hedging Instruments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Derivative liabilities		0
Recurring | Level 3 | Interest rate swap agreements | Derivatives Not Designated as Hedging Instruments
Assets and liabilities measured at fair value on a recurring basis
Derivative assets	0	0
Derivative liabilities	0	0
Recurring | Level 3 | Risk participation agreements
Assets and liabilities measured at fair value on a recurring basis
Derivative liabilities	$ 0	$ 0