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Securities - Schedule of Fair Value of Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Available for sale
Amortized Cost	$ 930,926		$ 908,829
Allowance for Credit Losses	(120)	$ (120)	(120)	$ (150)	$ 0	$ 0
Net Carrying Amount	930,806		908,709
Gross Unrealized Gains	4,476		6,904
Gross Unrealized Losses	(37,518)		(40,199)
Fair Value	897,764		875,414
Investment securities, held for trading	3,885		3,883
U.S. Treasury, federal agencies, and government sponsored agencies
Available for sale
Amortized Cost	15,695		16,837
Allowance for Credit Losses	0		0
Net Carrying Amount	15,695		16,837
Gross Unrealized Gains	19		70
Gross Unrealized Losses	0		(2)
Fair Value	15,714		16,905
Investment securities, held for trading	3,885		3,883
State and municipal
Available for sale
Amortized Cost	355,584		353,559
Allowance for Credit Losses	0		0
Net Carrying Amount	355,584		353,559
Gross Unrealized Gains	4,016		2,109
Gross Unrealized Losses	(31,874)		(36,003)
Fair Value	327,726		319,665
Investment securities, held for trading	0		0
U.S. government agency mortgage-backed securities
Available for sale
Amortized Cost	516,897		489,683
Allowance for Credit Losses	0		0
Net Carrying Amount	516,897		489,683
Gross Unrealized Gains	441		4,725
Gross Unrealized Losses	(2,682)		(234)
Fair Value	514,656		494,174
Investment securities, held for trading	0		0
Corporate notes
Available for sale
Amortized Cost	42,750		48,750
Allowance for Credit Losses	(120)		(120)
Net Carrying Amount	42,630		48,630
Gross Unrealized Gains	0		0
Gross Unrealized Losses	(2,962)		(3,960)
Fair Value	39,668		44,670
Investment securities, held for trading	$ 0		$ 0