Securities - Schedule of Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Fair Value
Less Than Twelve Months	$ 615,267	$ 209,397
More Than Twelve Months	839,647	880,574
Gross Unrealized Losses
Less Than Twelve Months	9,447	2,135
More Than Twelve Months	80,961	78,547
Total Unrealized Losses	90,408	80,682
U.S. Treasuries and government agencies
Fair Value
Less Than Twelve Months	0	0
More Than Twelve Months	149,463	150,124
Gross Unrealized Losses
Less Than Twelve Months	0	0
More Than Twelve Months	9,270	8,964
Total Unrealized Losses	9,270	8,964
Obligations of states and municipalities
Fair Value
Less Than Twelve Months	311,372	134,143
More Than Twelve Months	494,147	513,623
Gross Unrealized Losses
Less Than Twelve Months	5,567	1,852
More Than Twelve Months	60,190	58,092
Total Unrealized Losses	65,757	59,944
Residential mortgage backed - agency
Fair Value
Less Than Twelve Months	20,341	4,461
More Than Twelve Months	19,335	24,832
Gross Unrealized Losses
Less Than Twelve Months	98	4
More Than Twelve Months	2,892	2,806
Total Unrealized Losses	2,990	2,810
Residential mortgage backed - non-agency
Fair Value
Less Than Twelve Months	180,092	11,545
More Than Twelve Months	82,348	85,750
Gross Unrealized Losses
Less Than Twelve Months	2,877	17
More Than Twelve Months	5,135	5,194
Total Unrealized Losses	8,012	5,211
Commercial mortgage backed - agency
Fair Value
Less Than Twelve Months	45,025	14,987
More Than Twelve Months	25,202	26,032
Gross Unrealized Losses
Less Than Twelve Months	373	93
More Than Twelve Months	437	514
Total Unrealized Losses	810	607
Commercial mortgage backed - non-agency
Fair Value
Less Than Twelve Months	45,095	29,730
More Than Twelve Months	21,778	30,175
Gross Unrealized Losses
Less Than Twelve Months	485	131
More Than Twelve Months	1,484	1,426
Total Unrealized Losses	1,969	1,557
Asset-backed
Fair Value
Less Than Twelve Months	13,342	14,531
More Than Twelve Months	25,103	27,750
Gross Unrealized Losses
Less Than Twelve Months	47	38
More Than Twelve Months	496	539
Total Unrealized Losses	543	577
Other
Fair Value
Less Than Twelve Months	0	0
More Than Twelve Months	22,271	22,288
Gross Unrealized Losses
Less Than Twelve Months	0	0
More Than Twelve Months	1,057	1,012
Total Unrealized Losses	$ 1,057	$ 1,012

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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