XML 98 R83.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Loans and Allowance for Credit Losses - Age Analysis of Past Due Loans by Segment (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | $ 8,968,761 | $ 7,642,143
Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,357,649 | 1,297,655
Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,543,349 | 1,211,706
Real Estate Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 597,735 | 513,101
Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 2,416,876 | 2,194,669
Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 3,053,152 | 2,425,012
Time and demand loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,187,300 | 1,023,824
Time and demand loans | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,187,300 | 1,023,824
Commercial credit cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 12,906 | 13,920
Commercial credit cards | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 12,906 | 13,920
Senior Lien |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,739,107 | 1,547,192
Senior Lien | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,739,107 | 1,547,192
Junior Lien |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 677,769 | 647,477
Junior Lien | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 677,769 | 647,477
Multifamily |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 551,142 | 431,151
Multifamily | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 551,142 | 431,151
Nonowner Occupied Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,772,785 | 1,510,347
Nonowner Occupied Commercial Real Estate | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,772,785 | 1,510,347
Owner Occupied Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 729,225 | 483,514
Owner Occupied Commercial Real Estate | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 729,225 | 483,514
Automobile Loan |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,277,969 | 1,210,451
Automobile Loan | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,277,969 | 1,210,451
Consumer Credit Cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 10,291 | 10,657
Consumer Credit Cards | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 10,291 | 10,657
Other consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 69,389 | 76,547
Other consumer loans | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 69,389 | 76,547
Equipment Finance |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 232,944 | 79,674
Equipment Finance | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 232,944 | 79,674
Time and Demand Loans Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 110,199 | 94,288
Time and Demand Loans Other | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 110,199 | 94,288
Construction Residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 56,102 | 117,662
Construction Residential | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 56,102 | 117,662
Construction Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 541,633 | 395,439
Construction Other | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 541,633 | 395,439
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 16,958 | 15,896
Financial Asset, 30 to 59 Days Past Due [Member] | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 4,613 | 3,268
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,206 | 1,233
Financial Asset, 30 to 59 Days Past Due [Member] | Real Estate Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 502
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 6,982 | 3,023
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 4,157 | 7,870
Financial Asset, 30 to 59 Days Past Due [Member] | Time and demand loans | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 565 | 1,121
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial credit cards | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 7 | 27
Financial Asset, 30 to 59 Days Past Due [Member] | Senior Lien | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 4,130 | 1,547
Financial Asset, 30 to 59 Days Past Due [Member] | Junior Lien | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 2,852 | 1,476
Financial Asset, 30 to 59 Days Past Due [Member] | Multifamily | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 202
Financial Asset, 30 to 59 Days Past Due [Member] | Nonowner Occupied Commercial Real Estate | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 2,303 | 7,547
Financial Asset, 30 to 59 Days Past Due [Member] | Owner Occupied Commercial Real Estate | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,854 | 121
Financial Asset, 30 to 59 Days Past Due [Member] | Automobile Loan | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 4,115 | 2,694
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Credit Cards | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 39 | 53
Financial Asset, 30 to 59 Days Past Due [Member] | Other consumer loans | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 459 | 521
Financial Asset, 30 to 59 Days Past Due [Member] | Equipment Finance | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 600 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Time and Demand Loans Other | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 34 | 85
Financial Asset, 30 to 59 Days Past Due [Member] | Construction Residential | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 502
Financial Asset, 30 to 59 Days Past Due [Member] | Construction Other | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 3,158 | 2,053
Financial Asset, 60 to 89 Days Past Due [Member] | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 878 | 571
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 745 | 279
Financial Asset, 60 to 89 Days Past Due [Member] | Real Estate Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,535 | 1,178
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 25
Financial Asset, 60 to 89 Days Past Due [Member] | Time and demand loans | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 691 | 270
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial credit cards | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 54 | 9
Financial Asset, 60 to 89 Days Past Due [Member] | Senior Lien | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 940 | 771
Financial Asset, 60 to 89 Days Past Due [Member] | Junior Lien | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 595 | 407
Financial Asset, 60 to 89 Days Past Due [Member] | Multifamily | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Nonowner Occupied Commercial Real Estate | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Owner Occupied Commercial Real Estate | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 25
Financial Asset, 60 to 89 Days Past Due [Member] | Automobile Loan | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 612 | 368
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Credit Cards | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 71 | 29
Financial Asset, 60 to 89 Days Past Due [Member] | Other consumer loans | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 195 | 174
Financial Asset, 60 to 89 Days Past Due [Member] | Equipment Finance | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Time and Demand Loans Other | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Construction Residential | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Construction Other | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 9,436 | 1,991
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 678 | 732
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 4,187 | 355
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Real Estate Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,062 | 811
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 3,509 | 93
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Time and demand loans | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 4,187 | 352
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial credit cards | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Senior Lien | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 171 | 214
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Junior Lien | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 891 | 597
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Multifamily | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Nonowner Occupied Commercial Real Estate | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 3,509 | 92
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Owner Occupied Commercial Real Estate | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 1
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Automobile Loan | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 151 | 295
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Credit Cards | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 5
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Other consumer loans | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 527 | 432
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Equipment Finance | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Time and Demand Loans Other | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 3
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction Residential | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction Other | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Nonaccrual Commercial Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 39,472 | 29,045
Nonaccrual Commercial Loans [Member] | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 166 | 449
Nonaccrual Commercial Loans [Member] | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 10,060 | 2,374
Nonaccrual Commercial Loans [Member] | Real Estate Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 3,288 | 0
Nonaccrual Commercial Loans [Member] | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 8,573 | 5,683
Nonaccrual Commercial Loans [Member] | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 17,385 | 20,539
Nonaccrual Commercial Loans [Member] | Time and demand loans | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 9,218 | 2,374
Nonaccrual Commercial Loans [Member] | Commercial credit cards | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Nonaccrual Commercial Loans [Member] | Senior Lien | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 4,443 | 3,369
Nonaccrual Commercial Loans [Member] | Junior Lien | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 4,130 | 2,314
Nonaccrual Commercial Loans [Member] | Multifamily | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 55 | 0
Nonaccrual Commercial Loans [Member] | Nonowner Occupied Commercial Real Estate | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 14,282 | 19,575
Nonaccrual Commercial Loans [Member] | Owner Occupied Commercial Real Estate | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 3,048 | 964
Nonaccrual Commercial Loans [Member] | Automobile Loan | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 164 | 361
Nonaccrual Commercial Loans [Member] | Consumer Credit Cards | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Nonaccrual Commercial Loans [Member] | Other consumer loans | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 2 | 88
Nonaccrual Commercial Loans [Member] | Equipment Finance | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 842 | 0
Nonaccrual Commercial Loans [Member] | Time and Demand Loans Other | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Nonaccrual Commercial Loans [Member] | Construction Residential | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 0
Nonaccrual Commercial Loans [Member] | Construction Other | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 3,288 | 0
Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 69,024 | 48,985
Financial Asset, Past Due | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 6,335 | 5,020
Financial Asset, Past Due | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 16,198 | 4,241
Financial Asset, Past Due | Real Estate Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 3,288 | 502
Financial Asset, Past Due | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 18,152 | 10,695
Financial Asset, Past Due | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 25,051 | 28,527
Financial Asset, Past Due | Time and demand loans | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 14,661 | 4,117
Financial Asset, Past Due | Commercial credit cards | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 61 | 36
Financial Asset, Past Due | Senior Lien | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 9,684 | 5,901
Financial Asset, Past Due | Junior Lien | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 8,468 | 4,794
Financial Asset, Past Due | Multifamily | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 55 | 202
Financial Asset, Past Due | Nonowner Occupied Commercial Real Estate | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 20,094 | 27,214
Financial Asset, Past Due | Owner Occupied Commercial Real Estate | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 4,902 | 1,111
Financial Asset, Past Due | Automobile Loan | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 5,042 | 3,718
Financial Asset, Past Due | Consumer Credit Cards | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 110 | 87
Financial Asset, Past Due | Other consumer loans | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,183 | 1,215
Financial Asset, Past Due | Equipment Finance | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,442 | 0
Financial Asset, Past Due | Time and Demand Loans Other | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 34 | 88
Financial Asset, Past Due | Construction Residential | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 0 | 502
Financial Asset, Past Due | Construction Other | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 3,288 | 0
Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 8,899,737 | 7,593,158
Financial Asset, Not Past Due | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,351,314 | 1,292,635
Financial Asset, Not Past Due | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,527,151 | 1,207,465
Financial Asset, Not Past Due | Real Estate Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 594,447 | 512,599
Financial Asset, Not Past Due | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 2,398,724 | 2,183,974
Financial Asset, Not Past Due | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 3,028,101 | 2,396,485
Financial Asset, Not Past Due | Time and demand loans | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,172,639 | 1,019,707
Financial Asset, Not Past Due | Commercial credit cards | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 12,845 | 13,884
Financial Asset, Not Past Due | Senior Lien | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,729,423 | 1,541,291
Financial Asset, Not Past Due | Junior Lien | Residential Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 669,301 | 642,683
Financial Asset, Not Past Due | Multifamily | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 551,087 | 430,949
Financial Asset, Not Past Due | Nonowner Occupied Commercial Real Estate | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,752,691 | 1,483,133
Financial Asset, Not Past Due | Owner Occupied Commercial Real Estate | Commercial real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 724,323 | 482,403
Financial Asset, Not Past Due | Automobile Loan | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 1,272,927 | 1,206,733
Financial Asset, Not Past Due | Consumer Credit Cards | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 10,181 | 10,570
Financial Asset, Not Past Due | Other consumer loans | Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 68,206 | 75,332
Financial Asset, Not Past Due | Equipment Finance | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 231,502 | 79,674
Financial Asset, Not Past Due | Time and Demand Loans Other | Commercial Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 110,165 | 94,200
Financial Asset, Not Past Due | Construction Residential | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | 56,102 | 117,160
Financial Asset, Not Past Due | Construction Other | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, before allowance for credit loss | $ 538,345 | $ 395,439

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 80 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-80 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) -Publisher SEC Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (2) -Publisher SEC Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1404 -Paragraph (a) -Publisher SEC Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-14 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7A -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-7A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_ConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_CommercialLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fcf_TimeAndDemandLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fcf_CommercialCreditCardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_SeniorLienMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_JuniorLienMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=srt_MultifamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fcf_NonownerOccupiedCommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fcf_OwnerOccupiedCommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_AutomobileLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fcf_ConsumerCreditCardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fcf_OtherConsumerLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fcf_EquipmentFinanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fcf_TimeAndDemandLoansOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fcf_ConstructionResidentialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_ConstructionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fcf_ConstructionOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=fcf_NonaccrualCommercialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |