Securities - Securities Gross (Details) $ in Thousands	Jun. 30, 2024 USD ($) segment	Dec. 31, 2023 USD ($)	Jun. 30, 2023 USD ($)
Less Than 12 Months
Fair Value	$ 79,612	$ 67,104
Unrealized Losses	(610)	(745)
More Than 12 Months
Fair Value	1,065,820	1,060,039
Unrealized Losses	(165,500)	(157,100)
Total
Fair Value	1,145,432	1,127,143
Unrealized Losses	$ (166,110)	(157,845)	$ (166,100)
Number of investment securities segregation for impairment evaluation \| segment	2
U.S. Government agencies
Less Than 12 Months
Fair Value		3,757
Unrealized Losses		(73)
More Than 12 Months
Fair Value	$ 86,212	87,291
Unrealized Losses	(12,076)	(11,469)
Total
Fair Value	86,212	91,048
Unrealized Losses	(12,076)	(11,542)
Mortgage Backed Securities - residential
Less Than 12 Months
Fair Value	8,455	3,810
Unrealized Losses	(69)	(41)
More Than 12 Months
Fair Value	526,511	556,414
Unrealized Losses	(86,358)	(83,634)
Total
Fair Value	534,966	560,224
Unrealized Losses	(86,427)	(83,675)
Mortgage Backed Securities - commercial
More Than 12 Months
Fair Value	7,444	7,483
Unrealized Losses	(399)	(436)
Total
Fair Value	7,444	7,483
Unrealized Losses	(399)	(436)
Collateralized Mortgage Obligations
Less Than 12 Months
Fair Value		12,981
Unrealized Losses		(303)
More Than 12 Months
Fair Value	167,423	164,871
Unrealized Losses	(28,946)	(28,272)
Total
Fair Value	167,423	177,852
Unrealized Losses	(28,946)	(28,575)
State and municipal obligations
Less Than 12 Months
Fair Value	69,381	45,154
Unrealized Losses	(531)	(319)
More Than 12 Months
Fair Value	246,421	212,022
Unrealized Losses	(32,229)	(27,690)
Total
Fair Value	315,802	257,176
Unrealized Losses	(32,760)	(28,009)
Municipal taxable
Less Than 12 Months
Fair Value	1,308
Unrealized Losses	(7)
More Than 12 Months
Fair Value	31,809	31,958
Unrealized Losses	(5,492)	(5,599)
Total
Fair Value	33,117	31,958
Unrealized Losses	(5,499)	(5,599)
U.S. Treasury
Less Than 12 Months
Fair Value	468	1,402
Unrealized Losses	(3)	(9)
Total
Fair Value	468	1,402
Unrealized Losses	$ (3)	$ (9)

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