Securities (Schedule of Contractual Maturities of Securities) (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss	$ 2,146,923	$ 2,051,822
Available for Sale, Fair Value
Debt Securities, Available-for-Sale, Excluding Accrued Interest	2,075,972	2,004,247
Held to Maturity, Fair Value
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	1,210,310	1,279,027
Held to Maturity, Fair Value, Total	1,117,644	1,190,733
Available for Sale Securities and Held to Maturity Securities Amortized Cost	3,357,233
Debt Securities, Available-for-sale and Held-to-maturity	3,193,616
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost	450,213
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value	445,627
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost	1,155,066
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value	1,101,491
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost	248,283
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value	235,108
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Ten Years, Amortized Cost	1,503,671
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Ten Years, Fair Value	1,411,390
U.S. government agency securities
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Available for Sale, Amortized Cost, Due in one year or less	67,515
Available for Sale, Amortized Cost, Due after one year to five years	160,802
Available for Sale, Amortized Cost, Due after five to ten years	0
Available for Sale, Amortized Cost, Due after ten years	0
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss	228,317	228,697
Available for Sale, Fair Value
Available for Sale, Fair Value, Due in one year or less	67,059
Available for Sale, Fair Value, Due after one year to five years	151,729
Available for Sale, Fair Value, Due after five to ten years	0
Available for Sale, Fair Value, Due after ten years	0
Debt Securities, Available-for-Sale, Excluding Accrued Interest	218,788	218,672
Small Business Administration Pooled Securities [Member]
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Available for Sale, Amortized Cost, Due in one year or less	0
Available for Sale, Amortized Cost, Due after one year to five years	0
Available for Sale, Amortized Cost, Due after five to ten years	9,483
Available for Sale, Amortized Cost, Due after ten years	30,263
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss	39,746	42,480
Available for Sale, Fair Value
Available for Sale, Fair Value, Due in one year or less	0
Available for Sale, Fair Value, Due after one year to five years	0
Available for Sale, Fair Value, Due after five to ten years	8,894
Available for Sale, Fair Value, Due after ten years	26,010
Debt Securities, Available-for-Sale, Excluding Accrued Interest	34,904	37,832
Held to Maturity, Amortized Cost
Held to Maturity, Amortized Cost, Due in one year or less	0
Held to Maturity, Amortized Cost, Due after one year to five years	0
Held to Maturity, Amortized Cost, Due after five to ten years	4,773
Held to Maturity, Amortized Cost, Due after ten years	102,325
Held to Maturity, Fair Value
Held to Maturity, Fair Value, Due in one year or less	0
Held to Maturity, Fair Value, Due after one year to five years	0
Held to Maturity, Fair Value, Due after five to ten years	4,475
Held to Maturity, Fair Value, Due after ten years	97,535
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	107,098	112,554
Held to Maturity, Fair Value, Total	102,010	108,396
Debt Securities [Member]
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Available for Sale, Amortized Cost, Due in one year or less	294,565
Available for Sale, Amortized Cost, Due after one year to five years	694,917
Available for Sale, Amortized Cost, Due after five to ten years	126,618
Available for Sale, Amortized Cost, Due after ten years	1,030,823
Available for Sale, Fair Value
Available for Sale, Fair Value, Due in one year or less	291,487
Available for Sale, Fair Value, Due after one year to five years	668,341
Available for Sale, Fair Value, Due after five to ten years	124,728
Available for Sale, Fair Value, Due after ten years	991,416
Held to Maturity, Amortized Cost
Held to Maturity, Amortized Cost, Due in one year or less	155,648
Held to Maturity, Amortized Cost, Due after one year to five years	460,149
Held to Maturity, Amortized Cost, Due after five to ten years	121,665
Held to Maturity, Amortized Cost, Due after ten years	472,848
Held to Maturity, Fair Value
Held to Maturity, Fair Value, Due in one year or less	154,140
Held to Maturity, Fair Value, Due after one year to five years	433,150
Held to Maturity, Fair Value, Due after five to ten years	110,380
Held to Maturity, Fair Value, Due after ten years	419,974
Held to Maturity, Fair Value, Total	1,117,644
Pooled trust preferred securities issued by banks and insurers
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Available for Sale, Amortized Cost, Due in one year or less	0
Available for Sale, Amortized Cost, Due after one year to five years	0
Available for Sale, Amortized Cost, Due after five to ten years	0
Available for Sale, Amortized Cost, Due after ten years	1,035
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss	1,035	1,120
Available for Sale, Fair Value
Available for Sale, Fair Value, Due in one year or less	0
Available for Sale, Fair Value, Due after one year to five years	0
Available for Sale, Fair Value, Due after five to ten years	0
Available for Sale, Fair Value, Due after ten years	966
Debt Securities, Available-for-Sale, Excluding Accrued Interest	966	1,042
US States and Political Subdivisions Debt Securities [Member]
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Available for Sale, Amortized Cost, Due in one year or less	3,551
Available for Sale, Amortized Cost, Due after one year to five years	130,495
Available for Sale, Amortized Cost, Due after five to ten years	94,020
Available for Sale, Amortized Cost, Due after ten years	1,459
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss	229,525	230,052
Available for Sale, Fair Value
Available for Sale, Fair Value, Due in one year or less	3,550
Available for Sale, Fair Value, Due after one year to five years	129,958
Available for Sale, Fair Value, Due after five to ten years	93,798
Available for Sale, Fair Value, Due after ten years	1,495
Debt Securities, Available-for-Sale, Excluding Accrued Interest	228,801	233,078
Agency Collateralized Mortgage Obligations [Member]
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Available for Sale, Amortized Cost, Due in one year or less	0
Available for Sale, Amortized Cost, Due after one year to five years	4,477
Available for Sale, Amortized Cost, Due after five to ten years	1,690
Available for Sale, Amortized Cost, Due after ten years	255,171
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss	261,338	273,321
Available for Sale, Fair Value
Available for Sale, Fair Value, Due in one year or less	0
Available for Sale, Fair Value, Due after one year to five years	4,429
Available for Sale, Fair Value, Due after five to ten years	1,576
Available for Sale, Fair Value, Due after ten years	245,524
Debt Securities, Available-for-Sale, Excluding Accrued Interest	251,529	269,576
Held to Maturity, Amortized Cost
Held to Maturity, Amortized Cost, Due in one year or less	25,164
Held to Maturity, Amortized Cost, Due after one year to five years	34,727
Held to Maturity, Amortized Cost, Due after five to ten years	28,725
Held to Maturity, Amortized Cost, Due after ten years	260,055
Held to Maturity, Fair Value
Held to Maturity, Fair Value, Due in one year or less	25,098
Held to Maturity, Fair Value, Due after one year to five years	32,835
Held to Maturity, Fair Value, Due after five to ten years	25,612
Held to Maturity, Fair Value, Due after ten years	219,528
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	348,671	370,698
Held to Maturity, Fair Value, Total	303,073	325,798
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Available for Sale, Amortized Cost, Due in one year or less	23,567
Available for Sale, Amortized Cost, Due after one year to five years	208,375
Available for Sale, Amortized Cost, Due after five to ten years	21,425
Available for Sale, Amortized Cost, Due after ten years	742,895
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss	996,262	790,764
Available for Sale, Fair Value
Available for Sale, Fair Value, Due in one year or less	23,396
Available for Sale, Fair Value, Due after one year to five years	200,532
Available for Sale, Fair Value, Due after five to ten years	20,460
Available for Sale, Fair Value, Due after ten years	717,421
Debt Securities, Available-for-Sale, Excluding Accrued Interest	961,809	772,963
Held to Maturity, Amortized Cost
Held to Maturity, Amortized Cost, Due in one year or less	80,520
Held to Maturity, Amortized Cost, Due after one year to five years	375,469
Held to Maturity, Amortized Cost, Due after five to ten years	87,173
Held to Maturity, Amortized Cost, Due after ten years	110,468
Held to Maturity, Fair Value
Held to Maturity, Fair Value, Due in one year or less	79,977
Held to Maturity, Fair Value, Due after one year to five years	352,741
Held to Maturity, Fair Value, Due after five to ten years	79,429
Held to Maturity, Fair Value, Due after ten years	102,911
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	653,630	694,903
Held to Maturity, Fair Value, Total	615,058	659,415
US Treasury Securities [Member]
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Available for Sale, Amortized Cost, Due in one year or less	199,932
Available for Sale, Amortized Cost, Due after one year to five years	190,768
Available for Sale, Amortized Cost, Due after five to ten years	0
Available for Sale, Amortized Cost, Due after ten years	0
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss	390,700	485,388
Available for Sale, Fair Value
Available for Sale, Fair Value, Due in one year or less	197,482
Available for Sale, Fair Value, Due after one year to five years	181,693
Available for Sale, Fair Value, Due after five to ten years	0
Available for Sale, Fair Value, Due after ten years	0
Debt Securities, Available-for-Sale, Excluding Accrued Interest	379,175	471,084
Held to Maturity, Amortized Cost
Held to Maturity, Amortized Cost, Due in one year or less	49,964
Held to Maturity, Amortized Cost, Due after one year to five years	49,953
Held to Maturity, Amortized Cost, Due after five to ten years	994
Held to Maturity, Amortized Cost, Due after ten years	0
Held to Maturity, Fair Value
Held to Maturity, Fair Value, Due in one year or less	49,065
Held to Maturity, Fair Value, Due after one year to five years	47,574
Held to Maturity, Fair Value, Due after five to ten years	864
Held to Maturity, Fair Value, Due after ten years	0
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	100,911	100,872
Held to Maturity, Fair Value, Total	$ 97,503	$ 97,124