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v3.21.2

Loans (Residential, Home Equity and Consumer Loans Based on Payment Activity) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020 | Jan. 01, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Total | $ 3,012,989 | $ 3,091,998 |  | $ 3,081,973
Consumer Loans |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Current Fiscal Year | 31,330 | 33,857 |  |
Fiscal Year Before Current Fiscal Year | 19,007 | 16,486 |  |
Two Years Before Current Fiscal Year | 5,614 | 8,467 |  |
Three Years Before Current Fiscal Year | 5,201 | 2,117 |  |
Four Years Before Current Fiscal Year | 880 | 924 |  |
Prior | 1,960 | 2,268 |  |
Revolving Loans Amortized Cost Basis | 3,158 | 2,598 |  |
Total | 67,150 | 66,717 | $ 69,264 | 81,217
Consumer Loans | Performing |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Current Fiscal Year | 31,330 | 33,857 |  |
Fiscal Year Before Current Fiscal Year | 19,007 | 16,486 |  |
Two Years Before Current Fiscal Year | 5,614 | 8,456 |  |
Three Years Before Current Fiscal Year | 5,201 | 2,115 |  |
Four Years Before Current Fiscal Year | 880 | 910 |  |
Prior | 1,944 | 2,245 |  |
Revolving Loans Amortized Cost Basis | 3,158 | 2,563 |  |
Total | 67,134 | 66,632 |  |
Consumer Loans | Nonperforming |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Current Fiscal Year | 0 | 0 |  |
Fiscal Year Before Current Fiscal Year | 0 | 0 |  |
Two Years Before Current Fiscal Year | 0 | 11 |  |
Three Years Before Current Fiscal Year | 0 | 2 |  |
Four Years Before Current Fiscal Year | 0 | 14 |  |
Prior | 16 | 23 |  |
Revolving Loans Amortized Cost Basis | 0 | 35 |  |
Total | 16 | 85 |  |
Home Equity Loans |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Current Fiscal Year | 0 | 0 |  |
Fiscal Year Before Current Fiscal Year | 28 | 0 |  |
Two Years Before Current Fiscal Year | 0 | 34 |  |
Three Years Before Current Fiscal Year | 21 | 46 |  |
Four Years Before Current Fiscal Year | 45 | 67 |  |
Prior | 921 | 490 |  |
Revolving Loans Amortized Cost Basis | 216,979 | 218,711 |  |
Total | 217,994 | 219,348 | 225,790 | 225,755
Home Equity Loans | Performing |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Current Fiscal Year | 0 | 0 |  |
Fiscal Year Before Current Fiscal Year | 28 | 0 |  |
Two Years Before Current Fiscal Year | 0 | 34 |  |
Three Years Before Current Fiscal Year | 21 | 46 |  |
Four Years Before Current Fiscal Year | 45 | 67 |  |
Prior | 920 | 490 |  |
Revolving Loans Amortized Cost Basis | 216,957 | 218,440 |  |
Total | 217,971 | 219,077 |  |
Home Equity Loans | Nonperforming |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Current Fiscal Year | 0 | 0 |  |
Fiscal Year Before Current Fiscal Year | 0 | 0 |  |
Two Years Before Current Fiscal Year | 0 | 0 |  |
Three Years Before Current Fiscal Year | 0 | 0 |  |
Four Years Before Current Fiscal Year | 0 | 0 |  |
Prior | 1 | 0 |  |
Revolving Loans Amortized Cost Basis | 22 | 271 |  |
Total | 23 | 271 |  |
Residential Mortgage Loans |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Current Fiscal Year | 76,533 | 45,945 |  |
Fiscal Year Before Current Fiscal Year | 41,468 | 26,536 |  |
Two Years Before Current Fiscal Year | 15,892 | 28,050 |  |
Three Years Before Current Fiscal Year | 18,773 | 28,764 |  |
Four Years Before Current Fiscal Year | 21,480 | 25,155 |  |
Prior | 95,260 | 101,826 |  |
Revolving Loans Amortized Cost Basis | 0 | 0 |  |
Total | 269,406 | 256,276 | $ 305,002 | $ 304,855
Residential Mortgage Loans | Performing |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Current Fiscal Year | 76,533 | 45,945 |  |
Fiscal Year Before Current Fiscal Year | 41,468 | 26,536 |  |
Two Years Before Current Fiscal Year | 15,892 | 28,050 |  |
Three Years Before Current Fiscal Year | 18,773 | 28,764 |  |
Four Years Before Current Fiscal Year | 21,480 | 25,155 |  |
Prior | 94,721 | 100,998 |  |
Revolving Loans Amortized Cost Basis | 0 | 0 |  |
Total | 268,867 | 255,448 |  |
Residential Mortgage Loans | Nonperforming |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Current Fiscal Year | 0 | 0 |  |
Fiscal Year Before Current Fiscal Year | 0 | 0 |  |
Two Years Before Current Fiscal Year | 0 | 0 |  |
Three Years Before Current Fiscal Year | 0 | 0 |  |
Four Years Before Current Fiscal Year | 0 | 0 |  |
Prior | 539 | 828 |  |
Revolving Loans Amortized Cost Basis | 0 | 0 |  |
Total | $ 539 | $ 828 |  |

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