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Loans and Allowance for Credit Losses (Disaggregation of Credit Quality Disclosures) (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Total Commercial [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross $ 18,233,803 $ 17,968,274
Total Commercial [Member] | Pass [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 17,088,285 16,823,845
Total Commercial [Member] | Pass-Watch [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 596,340 521,400
Total Commercial [Member] | Special Mention [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 158,368 190,898
Total Commercial [Member] | Substandard [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 390,810 432,131
Residential Mortgages [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 306,408 161,346
Term Loans, Amortized Cost Basis by Origination Year, 2024 134,276 429,993
Term Loans, Amortized Cost Basis by Origination Year, 2023 419,082 1,079,165
Term Loans, Amortized Cost Basis by Origination Year, 2022 1,048,699 889,605
Term Loans, Amortized Cost Basis by Origination Year, 2021 842,181 448,889
Term Loans, Amortized Cost Basis by Origination Year, Prior 1,274,094 949,357
Revolving Loans 2,860 2,772
Revolving Loans Converted to Term Loans   201
Notes Receivable Gross 4,027,600 3,961,328
Residential Mortgages [Member] | Performing [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 306,408 161,019
Term Loans, Amortized Cost Basis by Origination Year, 2024 132,653 422,269
Term Loans, Amortized Cost Basis by Origination Year, 2023 410,062 1,068,191
Term Loans, Amortized Cost Basis by Origination Year, 2022 1,041,327 882,918
Term Loans, Amortized Cost Basis by Origination Year, 2021 836,246 447,690
Term Loans, Amortized Cost Basis by Origination Year, Prior 1,257,018 932,182
Revolving Loans 2,860 2,772
Revolving Loans Converted to Term Loans   201
Notes Receivable Gross 3,986,574 3,917,242
Residential Mortgages [Member] | Nonperforming [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025   327
Term Loans, Amortized Cost Basis by Origination Year, 2024 1,623 7,724
Term Loans, Amortized Cost Basis by Origination Year, 2023 9,020 10,974
Term Loans, Amortized Cost Basis by Origination Year, 2022 7,372 6,687
Term Loans, Amortized Cost Basis by Origination Year, 2021 5,935 1,199
Term Loans, Amortized Cost Basis by Origination Year, Prior 17,076 17,175
Notes Receivable Gross 41,026 44,086
Residential Mortgages [Member] | Gross Charge-offs [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2024 36 57
Term Loans, Amortized Cost Basis by Origination Year, 2023 286 189
Term Loans, Amortized Cost Basis by Origination Year, 2022 319 2
Term Loans, Amortized Cost Basis by Origination Year, Prior 37 132
Notes Receivable Gross 678 380
Consumer [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 46,990 57,034
Term Loans, Amortized Cost Basis by Origination Year, 2024 28,398 39,347
Term Loans, Amortized Cost Basis by Origination Year, 2023 27,199 35,640
Term Loans, Amortized Cost Basis by Origination Year, 2022 22,773 21,036
Term Loans, Amortized Cost Basis by Origination Year, 2021 11,829 15,802
Term Loans, Amortized Cost Basis by Origination Year, Prior 57,979 44,741
Revolving Loans 1,109,656 1,120,562
Revolving Loans Converted to Term Loans 30,338 35,683
Notes Receivable Gross 1,335,162 1,369,845
Consumer [Member] | Performing [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 46,940 56,983
Term Loans, Amortized Cost Basis by Origination Year, 2024 28,345 39,301
Term Loans, Amortized Cost Basis by Origination Year, 2023 26,833 35,320
Term Loans, Amortized Cost Basis by Origination Year, 2022 21,884 20,397
Term Loans, Amortized Cost Basis by Origination Year, 2021 11,145 15,035
Term Loans, Amortized Cost Basis by Origination Year, Prior 53,126 41,299
Revolving Loans 1,109,277 1,120,027
Revolving Loans Converted to Term Loans 27,347 30,296
Notes Receivable Gross 1,324,897 1,358,658
Consumer [Member] | Nonperforming [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 50 51
Term Loans, Amortized Cost Basis by Origination Year, 2024 53 46
Term Loans, Amortized Cost Basis by Origination Year, 2023 366 320
Term Loans, Amortized Cost Basis by Origination Year, 2022 889 639
Term Loans, Amortized Cost Basis by Origination Year, 2021 684 767
Term Loans, Amortized Cost Basis by Origination Year, Prior 4,853 3,442
Revolving Loans 379 535
Revolving Loans Converted to Term Loans 2,991 5,387
Notes Receivable Gross 10,265 11,187
Consumer [Member] | Gross Charge-offs [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 32 92
Term Loans, Amortized Cost Basis by Origination Year, 2024 709 1,733
Term Loans, Amortized Cost Basis by Origination Year, 2023 873 2,474
Term Loans, Amortized Cost Basis by Origination Year, 2022 1,089 1,173
Term Loans, Amortized Cost Basis by Origination Year, 2021 447 180
Term Loans, Amortized Cost Basis by Origination Year, Prior 635 985
Revolving Loans 6,730 8,826
Revolving Loans Converted to Term Loans 1,768 2,524
Notes Receivable Gross 12,283 17,987
Residential Mortgage and Consumer [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 5,362,762 5,331,173
Residential Mortgage and Consumer [Member] | Performing [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 5,311,471 5,275,900
Residential Mortgage and Consumer [Member] | Nonperforming [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 51,291 55,273
Commercial Non-Real Estate [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 1,481,894 1,823,621
Term Loans, Amortized Cost Basis by Origination Year, 2024 1,365,181 1,228,847
Term Loans, Amortized Cost Basis by Origination Year, 2023 912,574 1,367,968
Term Loans, Amortized Cost Basis by Origination Year, 2022 1,059,927 869,982
Term Loans, Amortized Cost Basis by Origination Year, 2021 657,072 366,796
Term Loans, Amortized Cost Basis by Origination Year, Prior 983,779 937,836
Revolving Loans 3,090,901 3,135,647
Revolving Loans Converted to Term Loans 129,269 145,895
Notes Receivable Gross 9,680,597 9,876,592
Commercial Non-Real Estate [Member] | Pass [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 1,445,220 1,794,904
Term Loans, Amortized Cost Basis by Origination Year, 2024 1,325,207 1,069,637
Term Loans, Amortized Cost Basis by Origination Year, 2023 781,003 1,154,669
Term Loans, Amortized Cost Basis by Origination Year, 2022 867,692 819,520
Term Loans, Amortized Cost Basis by Origination Year, 2021 616,345 339,594
Term Loans, Amortized Cost Basis by Origination Year, Prior 949,750 925,046
Revolving Loans 2,896,708 2,946,499
Revolving Loans Converted to Term Loans 97,792 107,363
Notes Receivable Gross 8,979,717 9,157,232
Commercial Non-Real Estate [Member] | Pass-Watch [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 21,700 8,466
Term Loans, Amortized Cost Basis by Origination Year, 2024 30,957 46,681
Term Loans, Amortized Cost Basis by Origination Year, 2023 47,601 43,379
Term Loans, Amortized Cost Basis by Origination Year, 2022 66,406 29,193
Term Loans, Amortized Cost Basis by Origination Year, 2021 14,748 12,768
Term Loans, Amortized Cost Basis by Origination Year, Prior 20,324 9,851
Revolving Loans 93,375 61,076
Revolving Loans Converted to Term Loans 7,093 8,561
Notes Receivable Gross 302,204 219,975
Commercial Non-Real Estate [Member] | Special Mention [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 2,322 412
Term Loans, Amortized Cost Basis by Origination Year, 2024 3,866 21,337
Term Loans, Amortized Cost Basis by Origination Year, 2023 2,603 52,375
Term Loans, Amortized Cost Basis by Origination Year, 2022 29,735 6,044
Term Loans, Amortized Cost Basis by Origination Year, 2021 12,212 6,234
Term Loans, Amortized Cost Basis by Origination Year, Prior 4,522 41
Revolving Loans 35,189 62,934
Revolving Loans Converted to Term Loans 1,379 328
Notes Receivable Gross 91,828 149,705
Commercial Non-Real Estate [Member] | Substandard [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 12,652 19,839
Term Loans, Amortized Cost Basis by Origination Year, 2024 5,151 91,192
Term Loans, Amortized Cost Basis by Origination Year, 2023 81,367 117,545
Term Loans, Amortized Cost Basis by Origination Year, 2022 96,094 15,225
Term Loans, Amortized Cost Basis by Origination Year, 2021 13,767 8,200
Term Loans, Amortized Cost Basis by Origination Year, Prior 9,183 2,898
Revolving Loans 65,629 65,138
Revolving Loans Converted to Term Loans 23,005 29,643
Notes Receivable Gross 306,848 349,680
Commercial Non-Real Estate [Member] | Gross Charge-offs [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 4,774 705
Term Loans, Amortized Cost Basis by Origination Year, 2024 2,116 7,575
Term Loans, Amortized Cost Basis by Origination Year, 2023 15,042 7,494
Term Loans, Amortized Cost Basis by Origination Year, 2022 794 11,090
Term Loans, Amortized Cost Basis by Origination Year, 2021 63 213
Term Loans, Amortized Cost Basis by Origination Year, Prior 727 1,837
Revolving Loans 2,370 5,952
Revolving Loans Converted to Term Loans 6,559 10,622
Notes Receivable Gross 32,445 45,488
Commercial Real Estate - Owner Occupied [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 515,079 389,834
Term Loans, Amortized Cost Basis by Origination Year, 2024 427,528 331,299
Term Loans, Amortized Cost Basis by Origination Year, 2023 332,963 615,688
Term Loans, Amortized Cost Basis by Origination Year, 2022 553,835 535,438
Term Loans, Amortized Cost Basis by Origination Year, 2021 495,062 437,787
Term Loans, Amortized Cost Basis by Origination Year, Prior 833,449 598,853
Revolving Loans 70,084 101,726
Revolving Loans Converted to Term Loans 51,258 1,330
Notes Receivable Gross 3,279,258 3,011,955
Commercial Real Estate - Owner Occupied [Member] | Pass [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 484,983 365,158
Term Loans, Amortized Cost Basis by Origination Year, 2024 407,189 319,684
Term Loans, Amortized Cost Basis by Origination Year, 2023 320,493 537,069
Term Loans, Amortized Cost Basis by Origination Year, 2022 481,837 524,572
Term Loans, Amortized Cost Basis by Origination Year, 2021 477,600 433,844
Term Loans, Amortized Cost Basis by Origination Year, Prior 800,658 554,293
Revolving Loans 67,123 97,999
Revolving Loans Converted to Term Loans 49,199 609
Notes Receivable Gross 3,089,082 2,833,228
Commercial Real Estate - Owner Occupied [Member] | Pass-Watch [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 25,002 18,937
Term Loans, Amortized Cost Basis by Origination Year, 2024 16,973 8,575
Term Loans, Amortized Cost Basis by Origination Year, 2023 5,101 66,286
Term Loans, Amortized Cost Basis by Origination Year, 2022 41,756 5,547
Term Loans, Amortized Cost Basis by Origination Year, 2021 10,398 2,695
Term Loans, Amortized Cost Basis by Origination Year, Prior 28,687 29,078
Revolving Loans 1,479 3,727
Revolving Loans Converted to Term Loans 2,059 721
Notes Receivable Gross 131,455 135,566
Commercial Real Estate - Owner Occupied [Member] | Special Mention [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 3,509 4,417
Term Loans, Amortized Cost Basis by Origination Year, 2024 3,032 410
Term Loans, Amortized Cost Basis by Origination Year, 2023 650 6,759
Term Loans, Amortized Cost Basis by Origination Year, 2022 15,054 3,756
Term Loans, Amortized Cost Basis by Origination Year, 2021 6,135  
Term Loans, Amortized Cost Basis by Origination Year, Prior   2,559
Revolving Loans 1,482  
Notes Receivable Gross 29,862 17,901
Commercial Real Estate - Owner Occupied [Member] | Substandard [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 1,585 1,322
Term Loans, Amortized Cost Basis by Origination Year, 2024 334 2,630
Term Loans, Amortized Cost Basis by Origination Year, 2023 6,719 5,574
Term Loans, Amortized Cost Basis by Origination Year, 2022 15,188 1,563
Term Loans, Amortized Cost Basis by Origination Year, 2021 929 1,248
Term Loans, Amortized Cost Basis by Origination Year, Prior 4,104 12,923
Revolving Loans 0  
Notes Receivable Gross 28,859 25,260
Commercial Real Estate - Owner Occupied [Member] | Gross Charge-offs [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2023 86 131
Term Loans, Amortized Cost Basis by Origination Year, 2021 2,741  
Term Loans, Amortized Cost Basis by Origination Year, Prior 1,799 12
Notes Receivable Gross 4,626 143
Commercial Real Estate - Income Producing [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 678,613 441,643
Term Loans, Amortized Cost Basis by Origination Year, 2024 431,359 478,622
Term Loans, Amortized Cost Basis by Origination Year, 2023 550,086 1,028,886
Term Loans, Amortized Cost Basis by Origination Year, 2022 969,937 762,516
Term Loans, Amortized Cost Basis by Origination Year, 2021 597,807 535,350
Term Loans, Amortized Cost Basis by Origination Year, Prior 802,398 517,906
Revolving Loans 45,846 31,893
Revolving Loans Converted to Term Loans 597 1,796
Notes Receivable Gross 4,076,643 3,798,612
Commercial Real Estate - Income Producing [Member] | Pass [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 649,232 416,947
Term Loans, Amortized Cost Basis by Origination Year, 2024 414,766 453,428
Term Loans, Amortized Cost Basis by Origination Year, 2023 539,778 975,075
Term Loans, Amortized Cost Basis by Origination Year, 2022 908,450 750,907
Term Loans, Amortized Cost Basis by Origination Year, 2021 573,984 494,925
Term Loans, Amortized Cost Basis by Origination Year, Prior 756,410 501,389
Revolving Loans 45,474 31,673
Revolving Loans Converted to Term Loans 597 1,637
Notes Receivable Gross 3,888,691 3,625,981
Commercial Real Estate - Income Producing [Member] | Pass-Watch [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 21,420 2,586
Term Loans, Amortized Cost Basis by Origination Year, 2024 16,326 7,005
Term Loans, Amortized Cost Basis by Origination Year, 2023 5,992 43,221
Term Loans, Amortized Cost Basis by Origination Year, 2022 36,936 9,399
Term Loans, Amortized Cost Basis by Origination Year, 2021 21,675 20,694
Term Loans, Amortized Cost Basis by Origination Year, Prior 26,853 16,354
Revolving Loans 209 220
Revolving Loans Converted to Term Loans   159
Notes Receivable Gross 129,411 99,638
Commercial Real Estate - Income Producing [Member] | Special Mention [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 7,746 20,292
Term Loans, Amortized Cost Basis by Origination Year, 2024 267  
Term Loans, Amortized Cost Basis by Origination Year, 2023 295 1,986
Term Loans, Amortized Cost Basis by Origination Year, 2022 0  
Notes Receivable Gross 8,308 22,278
Commercial Real Estate - Income Producing [Member] | Substandard [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 215 1,818
Term Loans, Amortized Cost Basis by Origination Year, 2024   18,189
Term Loans, Amortized Cost Basis by Origination Year, 2023 4,021 8,604
Term Loans, Amortized Cost Basis by Origination Year, 2022 24,551 2,210
Term Loans, Amortized Cost Basis by Origination Year, 2021 2,148 19,731
Term Loans, Amortized Cost Basis by Origination Year, Prior 19,135 163
Revolving Loans 163  
Notes Receivable Gross 50,233 50,715
Commercial Real Estate - Income Producing [Member] | Gross Charge-offs [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2023   8,819
Term Loans, Amortized Cost Basis by Origination Year, 2022 34  
Term Loans, Amortized Cost Basis by Origination Year, Prior   3
Notes Receivable Gross 34 8,822
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 4,076,643 3,798,612
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member] | Pass [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 3,888,691 3,625,981
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member] | Pass-Watch [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 129,411 99,638
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member] | Special Mention [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 8,308 22,278
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member] | Substandard [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 50,233 50,715
Construction and Land Development [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 200,010 239,098
Term Loans, Amortized Cost Basis by Origination Year, 2024 349,435 421,077
Term Loans, Amortized Cost Basis by Origination Year, 2023 220,832 360,277
Term Loans, Amortized Cost Basis by Origination Year, 2022 172,862 107,204
Term Loans, Amortized Cost Basis by Origination Year, 2021 99,615 33,575
Term Loans, Amortized Cost Basis by Origination Year, Prior 16,915 15,000
Revolving Loans 131,357 102,853
Revolving Loans Converted to Term Loans 6,279 2,031
Notes Receivable Gross 1,197,305 1,281,115
Construction and Land Development [Member] | Pass [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 194,731 237,136
Term Loans, Amortized Cost Basis by Origination Year, 2024 348,250 418,002
Term Loans, Amortized Cost Basis by Origination Year, 2023 218,503 296,286
Term Loans, Amortized Cost Basis by Origination Year, 2022 139,163 103,259
Term Loans, Amortized Cost Basis by Origination Year, 2021 76,010 33,519
Term Loans, Amortized Cost Basis by Origination Year, Prior 16,572 14,477
Revolving Loans 131,357 102,694
Revolving Loans Converted to Term Loans 6,209 2,031
Notes Receivable Gross 1,130,795 1,207,404
Construction and Land Development [Member] | Pass-Watch [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 5,217 624
Term Loans, Amortized Cost Basis by Origination Year, 2024 998 2,279
Term Loans, Amortized Cost Basis by Origination Year, 2023 439 62,415
Term Loans, Amortized Cost Basis by Origination Year, 2022 3,045 391
Term Loans, Amortized Cost Basis by Origination Year, 2021 23,357 30
Term Loans, Amortized Cost Basis by Origination Year, Prior 214 323
Revolving Loans   159
Notes Receivable Gross 33,270 66,221
Construction and Land Development [Member] | Special Mention [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025 62 1,014
Term Loans, Amortized Cost Basis by Origination Year, 2022 28,125  
Term Loans, Amortized Cost Basis by Origination Year, 2021 113  
Revolving Loans Converted to Term Loans 70  
Notes Receivable Gross 28,370 1,014
Construction and Land Development [Member] | Substandard [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2025   324
Term Loans, Amortized Cost Basis by Origination Year, 2024 187 796
Term Loans, Amortized Cost Basis by Origination Year, 2023 1,890 1,576
Term Loans, Amortized Cost Basis by Origination Year, 2022 2,529 3,554
Term Loans, Amortized Cost Basis by Origination Year, 2021 135 26
Term Loans, Amortized Cost Basis by Origination Year, Prior 129 200
Revolving Loans Converted to Term Loans 0  
Notes Receivable Gross 4,870 6,476
Construction and Land Development [Member] | Gross Charge-offs [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Term Loans, Amortized Cost Basis by Origination Year, 2024   113
Term Loans, Amortized Cost Basis by Origination Year, 2023   94
Term Loans, Amortized Cost Basis by Origination Year, 2022 1,283 30
Term Loans, Amortized Cost Basis by Origination Year, Prior 8 20
Revolving Loans Converted to Term Loans   7
Notes Receivable Gross 1,291 264
Construction and Land Development [Member] | Total Commercial [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 1,197,305 1,281,115
Construction and Land Development [Member] | Total Commercial [Member] | Pass [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 1,130,795 1,207,404
Construction and Land Development [Member] | Total Commercial [Member] | Pass-Watch [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 33,270 66,221
Construction and Land Development [Member] | Total Commercial [Member] | Special Mention [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross 28,370 1,014
Construction and Land Development [Member] | Total Commercial [Member] | Substandard [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Notes Receivable Gross $ 4,870 $ 6,476