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Allowance for Credit Losses - Credit Quality Indicators by Class of Residential Real Estate and Consumer Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases, net of unearned income and deferred costs and fees | $ 5,208,436 | $ 5,075,467
Residential real estate | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 1,603 | 2,033
One year before current fiscal year | 1,115 | 1,142
Two years before current fiscal year | 671 | 3,057
Three years before current fiscal year | 1,040 | 1,600
Four years before current fiscal year | 839 | 1,572
Prior | 3,509 | 3,748
Revolving Loans Amortized Cost Basis | 177,958 | 163,469
Revolving Loans Converted to Term | 1,267 | 6,050
Total loans and leases, net of unearned income and deferred costs and fees | 188,002 | 182,671
Residential real estate | Mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 159,027 | 324,967
One year before current fiscal year | 274,436 | 282,202
Two years before current fiscal year | 244,894 | 162,815
Three years before current fiscal year | 121,185 | 98,480
Four years before current fiscal year | 69,565 | 124,914
Prior | 475,634 | 282,193
Revolving Loans Amortized Cost Basis | 0 | 14,135
Revolving Loans Converted to Term | 0 | 1,205
Total loans and leases, net of unearned income and deferred costs and fees | 1,344,741 | 1,290,911
Residential real estate | Performing | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 1,603 | 2,033
One year before current fiscal year | 1,115 | 1,142
Two years before current fiscal year | 671 | 3,041
Three years before current fiscal year | 1,026 | 1,600
Four years before current fiscal year | 839 | 1,572
Prior | 3,442 | 3,144
Revolving Loans Amortized Cost Basis | 175,683 | 161,630
Revolving Loans Converted to Term | 1,267 | 6,050
Total loans and leases, net of unearned income and deferred costs and fees | 185,646 | 180,212
Residential real estate | Performing | Mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 159,027 | 324,967
One year before current fiscal year | 274,096 | 282,202
Two years before current fiscal year | 244,259 | 162,574
Three years before current fiscal year | 120,582 | 97,778
Four years before current fiscal year | 67,999 | 124,221
Prior | 468,094 | 275,133
Revolving Loans Amortized Cost Basis | 0 | 14,112
Revolving Loans Converted to Term | 0 | 1,205
Total loans and leases, net of unearned income and deferred costs and fees | 1,334,057 | 1,282,192
Residential real estate | Nonperforming | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 0 | 0
One year before current fiscal year | 0 | 0
Two years before current fiscal year | 0 | 16
Three years before current fiscal year | 14 | 0
Four years before current fiscal year | 0 | 0
Prior | 67 | 604
Revolving Loans Amortized Cost Basis | 2,275 | 1,839
Revolving Loans Converted to Term | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 2,356 | 2,459
Residential real estate | Nonperforming | Mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 0 | 0
One year before current fiscal year | 340 | 0
Two years before current fiscal year | 635 | 241
Three years before current fiscal year | 603 | 702
Four years before current fiscal year | 1,566 | 693
Prior | 7,540 | 7,060
Revolving Loans Amortized Cost Basis | 0 | 23
Revolving Loans Converted to Term | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 10,684 | 8,719
Consumer and other | Direct |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 17,881 | 20,653
One year before current fiscal year | 15,882 | 10,744
Two years before current fiscal year | 7,828 | 9,441
Three years before current fiscal year | 6,959 | 5,659
Four years before current fiscal year | 4,841 | 4,861
Prior | 8,448 | 10,602
Revolving Loans Amortized Cost Basis | 4,423 | 5,436
Revolving Loans Converted to Term | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 66,262 | 67,396
Consumer and other | Indirect |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 0 | 1,809
One year before current fiscal year | 169 | 856
Two years before current fiscal year | 171 | 960
Three years before current fiscal year | 1,402 | 587
Four years before current fiscal year | 818 | 363
Prior | 152 | 80
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 2,712 | 4,655
Consumer and other | Performing | Direct |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 17,881 | 20,653
One year before current fiscal year | 15,882 | 10,735
Two years before current fiscal year | 7,825 | 9,397
Three years before current fiscal year | 6,937 | 5,542
Four years before current fiscal year | 4,764 | 4,849
Prior | 8,439 | 10,602
Revolving Loans Amortized Cost Basis | 4,417 | 5,435
Revolving Loans Converted to Term | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 66,145 | 67,213
Consumer and other | Performing | Indirect |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 0 | 1,809
One year before current fiscal year | 169 | 854
Two years before current fiscal year | 171 | 812
Three years before current fiscal year | 1,307 | 506
Four years before current fiscal year | 780 | 362
Prior | 134 | 66
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 2,561 | 4,409
Consumer and other | Nonperforming | Direct |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 0 | 0
One year before current fiscal year | 0 | 9
Two years before current fiscal year | 3 | 44
Three years before current fiscal year | 22 | 117
Four years before current fiscal year | 77 | 12
Prior | 9 | 0
Revolving Loans Amortized Cost Basis | 6 | 1
Revolving Loans Converted to Term | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 117 | 183
Consumer and other | Nonperforming | Indirect |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 0 | 0
One year before current fiscal year | 0 | 2
Two years before current fiscal year | 0 | 148
Three years before current fiscal year | 95 | 81
Four years before current fiscal year | 38 | 1
Prior | 18 | 14
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | $ 151 | $ 246

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