Securities (Schedule of Contractual Maturities of Securities) (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
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	$ 1,344,856	$ 1,459,862
Available for Sale, Fair Value
Debt Securities, Available-for-Sale, Excluding Accrued Interest	1,220,656	1,334,256
Held to Maturity, Fair Value
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	1,519,655	1,569,107
Held to Maturity, Fair Value, Total	1,357,869	1,417,608
Available for Sale Securities and Held to Maturity Securities Amortized Cost	2,864,511
Debt Securities, Available-for-sale and Held-to-maturity	2,578,525
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost	225,759
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value	219,918
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost	1,495,443
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value	1,366,031
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost	266,435
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value	232,338
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Ten Years, Amortized Cost	876,874
Debt Securities, Available-for-sale and Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Ten Years, Fair Value	760,238
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	0
Available for Sale, Amortized Cost, Due after one year to five years	199,070
Available for Sale, Amortized Cost, Due after five to ten years	30,758
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	229,828	230,198
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	179,101
Available for Sale, Fair Value, Due after five to ten years	26,781
Available for Sale, Fair Value, Due after ten years	0
Debt Securities, Available-for-Sale, Excluding Accrued Interest	205,882	207,138
Held to Maturity, Amortized Cost
Held to Maturity, Amortized Cost, Due in one year or less	28,655
Held to Maturity, Amortized Cost, Due after one year to five years	0
Held to Maturity, Amortized Cost, Due after five to ten years	0
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	28,106
Held to Maturity, Fair Value, Due after one year to five years	0
Held to Maturity, Fair Value, Due after five to ten years	0
Held to Maturity, Fair Value, Due after ten years	0
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	28,655	29,521
Held to Maturity, Fair Value, Total	28,106	28,408
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	0
Available for Sale, Amortized Cost, Due after ten years	50,781
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss	50,781	53,702
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	43,141
Debt Securities, Available-for-Sale, Excluding Accrued Interest	43,141	46,572
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	7,222
Held to Maturity, Amortized Cost, Due after ten years	119,979
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	6,626
Held to Maturity, Fair Value, Due after ten years	112,246
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	127,201	130,426
Held to Maturity, Fair Value, Total	118,872	124,653
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	197,104
Available for Sale, Amortized Cost, Due after one year to five years	867,005
Available for Sale, Amortized Cost, Due after five to ten years	76,398
Available for Sale, Amortized Cost, Due after ten years	204,349
Available for Sale, Fair Value
Available for Sale, Fair Value, Due in one year or less	191,812
Available for Sale, Fair Value, Due after one year to five years	786,456
Available for Sale, Fair Value, Due after five to ten years	66,651
Available for Sale, Fair Value, Due after ten years	175,737
Held to Maturity, Amortized Cost
Held to Maturity, Amortized Cost, Due in one year or less	28,655
Held to Maturity, Amortized Cost, Due after one year to five years	628,438
Held to Maturity, Amortized Cost, Due after five to ten years	190,037
Held to Maturity, Amortized Cost, Due after ten years	672,525
Held to Maturity, Fair Value
Held to Maturity, Fair Value, Due in one year or less	28,106
Held to Maturity, Fair Value, Due after one year to five years	579,575
Held to Maturity, Fair Value, Due after five to ten years	165,687
Held to Maturity, Fair Value, Due after ten years	584,501
Held to Maturity, Fair Value, Total	1,357,869
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	1,180
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss	1,180	1,188
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	1,037
Debt Securities, Available-for-Sale, Excluding Accrued Interest	1,037	1,018
Single Issuer Trust Preferred Securities Issued by Banks and Insurers
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	1,500
Held to Maturity, Amortized Cost, Due after five to ten years	0
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	0
Held to Maturity, Fair Value, Due after one year to five years	1,372
Held to Maturity, Fair Value, Due after five to ten years	0
Held to Maturity, Fair Value, Due after ten years	0
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	1,500	1,500
Held to Maturity, Fair Value, Total	1,372	1,373
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	0
Available for Sale, Amortized Cost, Due after one year to five years	195
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	195	195
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	190
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	190	190
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	0
Available for Sale, Amortized Cost, Due after five to ten years	2,688
Available for Sale, Amortized Cost, Due after ten years	30,748
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss	33,436	35,713
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	2,454
Available for Sale, Fair Value, Due after ten years	28,477
Debt Securities, Available-for-Sale, Excluding Accrued Interest	30,931	33,189
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	63,317
Held to Maturity, Amortized Cost, Due after five to ten years	18,813
Held to Maturity, Amortized Cost, Due after ten years	369,782
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	58,403
Held to Maturity, Fair Value, Due after five to ten years	16,623
Held to Maturity, Fair Value, Due after ten years	304,920
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	451,912	477,517
Held to Maturity, Fair Value, Total	379,946	407,911
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	0
Available for Sale, Amortized Cost, Due after one year to five years	140,024
Available for Sale, Amortized Cost, Due after five to ten years	42,952
Available for Sale, Amortized Cost, Due after ten years	121,640
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss	304,616	314,269
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	125,562
Available for Sale, Fair Value, Due after five to ten years	37,416
Available for Sale, Fair Value, Due after ten years	103,082
Debt Securities, Available-for-Sale, Excluding Accrued Interest	266,060	277,047
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	463,862
Held to Maturity, Amortized Cost, Due after five to ten years	163,010
Held to Maturity, Amortized Cost, Due after ten years	182,764
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	429,532
Held to Maturity, Fair Value, Due after five to ten years	141,624
Held to Maturity, Fair Value, Due after ten years	167,335
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	809,636	829,431
Held to Maturity, Fair Value, Total	738,491	763,728
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	197,104
Available for Sale, Amortized Cost, Due after one year to five years	527,716
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	724,820	824,597
Available for Sale, Fair Value
Available for Sale, Fair Value, Due in one year or less	191,812
Available for Sale, Fair Value, Due after one year to five years	481,603
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	673,415	769,102
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	99,759
Held to Maturity, Amortized Cost, Due after five to ten years	992
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	0
Held to Maturity, Fair Value, Due after one year to five years	90,268
Held to Maturity, Fair Value, Due after five to ten years	814
Held to Maturity, Fair Value, Due after ten years	0
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	100,751	100,712
Held to Maturity, Fair Value, Total	$ 91,082	$ 91,535