Securities Securities (Available for sale securities in continuous unrealized loss position) (Details) $ in Thousands	Jun. 30, 2025 USD ($) holding	Dec. 31, 2024 USD ($) holding
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions \| holding	148	160
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 47,100	$ 128,499
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(944)	(2,874)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,035,398	1,119,582
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(70,313)	(100,172)
Debt Securities, Available-for-sale, Unrealized Loss Position	1,082,498	1,248,081
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ 71,257	$ 103,046
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions \| holding	107	117
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 45,806	$ 127,152
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(940)	(2,867)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	248,583	249,098
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(26,372)	(34,915)
Debt Securities, Available-for-sale, Unrealized Loss Position	294,389	376,250
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ 27,312	$ 37,782
Collateralized Debt Obligations [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions \| holding	11	11
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 1,097	$ 1,153
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(3)	(4)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	25,253	26,890
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(1,610)	(2,170)
Debt Securities, Available-for-sale, Unrealized Loss Position	26,350	28,043
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ 1,613	$ 2,174
US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions \| holding	1	1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 197	$ 194
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(1)	(3)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Debt Securities, Available-for-sale, Unrealized Loss Position	197	194
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ 1	$ 3
Pooled trust preferred securities issued by banks and insurers
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions \| holding	1	1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,038	1,095
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(82)	(85)
Debt Securities, Available-for-sale, Unrealized Loss Position	1,038	1,095
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ 82	$ 85
Small Business Administration Pooled Securities [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions \| holding	8	8
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	39,551	40,838
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(5,644)	(7,194)
Debt Securities, Available-for-sale, Unrealized Loss Position	39,551	40,838
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ 5,644	$ 7,194
U.S. government agency securities
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions \| holding	9	9
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	215,270	209,660
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(13,808)	(19,792)
Debt Securities, Available-for-sale, Unrealized Loss Position	215,270	209,660
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ 13,808	$ 19,792
US Treasury Securities [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions \| holding	11	13
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	505,703	592,001
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(22,797)	(36,016)
Debt Securities, Available-for-sale, Unrealized Loss Position	505,703	592,001
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ 22,797	$ 36,016

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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