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v3.20.2

LOANS, Allowance for Credit Losses (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Dec. 31, 2019 USD ($)
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  | $ 64,437 | $ 49,310 | $ 49,911 | $ 49,284 | $ 49,284
Charge-offs |  | (2,720) | (3,230) |  | (10,002) |
Recoveries |  | 1,463 | 1,592 |  | 4,568 |
Provision |  | 1,782 | 1,751 |  | 5,573 |
Ending balance |  | 64,962 | 49,423 | 64,962 | 49,423 | 49,911
Liabilities for off-balance-sheet credit exposures [Roll Forward] |  |  |  |  |  |
Beginning balance |  | 1,452 |  | 0 |  |
Charge-offs |  | 0 |  |  |  |
Recoveries |  | 0 |  |  |  |
Provision |  | 163 |  |  |  |
Ending balance |  | 1,615 |  | 1,615 |  | 0
Total allowance for credit losses [Roll Forward] |  |  |  |  |  |
Beginning balance |  | 65,889 |  | 49,911 |  |
Charge-offs |  | (2,720) |  |  |  |
Recoveries |  | 1,463 |  |  |  |
Provision |  | 1,945 |  |  |  |
Ending balance |  | $ 66,577 |  | $ 66,577 |  | $ 49,911
Allowance for Credit Losses |  |  |  |  |  |
Allowance for credit losses to total loans ratio |  | 0.0087 |  | 0.0087 |  |
Increase in allowance for credit losses to total loans ratio over the same quarter in prior year |  |  |  | 15.00% |  | 15.00%
Forecast [Member] | Minimum [Member] | COVID-19 [Member] |  |  |  |  |  |
Allowance for Credit Losses |  |  |  |  |  |
Percentage of peak unemployment | 7.00% |  |  |  |  |
Forecast [Member] | Maximum [Member] | COVID-19 [Member] |  |  |  |  |  |
Allowance for Credit Losses |  |  |  |  |  |
Percentage of peak unemployment | 11.00% |  |  |  |  |
Topic ASC 326 |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | $ 51,268 |  |
Charge-offs |  |  |  | (7,861) |  |
Recoveries |  |  |  | 4,144 |  |
Steuben acquisition |  |  |  | 3,662 |  |
Provision |  |  |  | 13,749 |  |
Ending balance |  | $ 64,962 |  | 64,962 |  | $ 51,268
Liabilities for off-balance-sheet credit exposures [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 1,185 |  |
Charge-offs |  |  |  | 0 |  |
Recoveries |  |  |  | 0 |  |
Steuben acquisition |  |  |  | 67 |  |
Provision |  |  |  | 363 |  |
Ending balance |  | 1,615 |  | 1,615 |  | 1,185
Total allowance for credit losses [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 52,453 |  |
Charge-offs |  |  |  | (7,861) |  |
Recoveries |  |  |  | 4,144 |  |
Steuben acquisition |  |  |  | 3,729 |  |
Provision |  |  |  | 14,112 |  |
Ending balance |  | 66,577 |  | 66,577 |  | 52,453
Topic ASC 326 | Cumulative Effect Adjustment |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 1,357 |  |
Ending balance |  |  |  |  |  | 1,357
Liabilities for off-balance-sheet credit exposures [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 1,185 |  |
Ending balance |  |  |  |  |  | 1,185
Total allowance for credit losses [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 2,542 |  |
Ending balance |  |  |  |  |  | 2,542
Acquired Impaired Loans |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  | 155 | 163 | 33 | 33
Charge-offs |  |  | 0 |  | 0 |
Recoveries |  |  | 0 |  | 0 |
Provision |  |  | 1 |  | 123 |
Ending balance |  |  | 156 |  | 156 | 163
Acquired Impaired Loans | Topic ASC 326 |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 0 |  |
Charge-offs |  |  |  | 0 |  |
Recoveries |  |  |  | 0 |  |
Steuben acquisition |  |  |  | 0 |  |
Provision |  |  |  | 0 |  |
Ending balance |  | 0 |  | 0 |  | 0
Acquired Impaired Loans | Topic ASC 326 | Cumulative Effect Adjustment |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | (163) |  |
Ending balance |  |  |  |  |  | (163)
Purchased Credit Deteriorated |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  | 3,561 |  | 0 |  |
Charge-offs |  | (91) |  |  |  |
Recoveries |  | 32 |  |  |  |
Provision |  | 45 |  |  |  |
Ending balance |  | 3,547 |  | 3,547 |  | 0
Purchased Credit Deteriorated | Topic ASC 326 |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 3,072 |  |
Charge-offs |  |  |  | (91) |  |
Recoveries |  |  |  | 80 |  |
Steuben acquisition |  |  |  | 528 |  |
Provision |  |  |  | (42) |  |
Ending balance |  | 3,547 |  | 3,547 |  | 3,072
Purchased Credit Deteriorated | Topic ASC 326 | Cumulative Effect Adjustment |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 3,072 |  |
Ending balance |  |  |  |  |  | 3,072
Commercial Portfolio Segment [Member] | Business Lending [Member] |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  | 24,204 | 17,769 | 19,426 | 18,522 | 18,522
Charge-offs |  | (736) | (305) |  | (1,774) |
Recoveries |  | 67 | 290 |  | 593 |
Provision |  | 3,539 | 301 |  | 714 |
Ending balance |  | 27,074 | 18,055 | 27,074 | 18,055 | 19,426
Commercial Portfolio Segment [Member] | Business Lending [Member] | Topic ASC 326 |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 19,714 |  |
Charge-offs |  |  |  | (919) |  |
Recoveries |  |  |  | 289 |  |
Steuben acquisition |  |  |  | 2,483 |  |
Provision |  |  |  | 5,507 |  |
Ending balance |  | 27,074 |  | 27,074 |  | 19,714
Commercial Portfolio Segment [Member] | Business Lending [Member] | Topic ASC 326 | Cumulative Effect Adjustment |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 288 |  |
Ending balance |  |  |  |  |  | 288
Residential Portfolio Segment [Member] | Consumer Mortgage [Member] |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  | 13,088 | 10,763 | 10,269 | 10,124 | 10,124
Charge-offs |  | (248) | (200) |  | (1,040) |
Recoveries |  | 23 | 8 |  | 44 |
Provision |  | (599) | (94) |  | 1,349 |
Ending balance |  | 12,264 | 10,477 | 12,264 | 10,477 | 10,269
Residential Portfolio Segment [Member] | Consumer Mortgage [Member] | Topic ASC 326 |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 9,218 |  |
Charge-offs |  |  |  | (668) |  |
Recoveries |  |  |  | 67 |  |
Steuben acquisition |  |  |  | 146 |  |
Provision |  |  |  | 3,501 |  |
Ending balance |  | 12,264 |  | 12,264 |  | 9,218
Residential Portfolio Segment [Member] | Consumer Mortgage [Member] | Topic ASC 326 | Cumulative Effect Adjustment |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | (1,051) |  |
Ending balance |  |  |  |  |  | (1,051)
Consumer Portfolio Segment [Member] | Consumer Indirect [Member] |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  | 15,866 | 14,345 | 13,712 | 14,366 | 14,366
Charge-offs |  | (1,281) | (2,224) |  | (5,529) |
Recoveries |  | 1,111 | 1,095 |  | 3,296 |
Provision |  | (963) | 1,221 |  | 2,304 |
Ending balance |  | 14,733 | 14,437 | 14,733 | 14,437 | 13,712
Consumer Portfolio Segment [Member] | Consumer Indirect [Member] | Topic ASC 326 |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 12,715 |  |
Charge-offs |  |  |  | (4,791) |  |
Recoveries |  |  |  | 3,107 |  |
Steuben acquisition |  |  |  | 183 |  |
Provision |  |  |  | 3,519 |  |
Ending balance |  | 14,733 |  | 14,733 |  | 12,715
Consumer Portfolio Segment [Member] | Consumer Indirect [Member] | Topic ASC 326 | Cumulative Effect Adjustment |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | (997) |  |
Ending balance |  |  |  |  |  | (997)
Consumer Portfolio Segment [Member] | Consumer Direct [Member] |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  | 4,028 | 3,184 | 3,255 | 3,095 | 3,095
Charge-offs |  | (340) | (456) |  | (1,436) |
Recoveries |  | 225 | 167 |  | 567 |
Provision |  | (120) | 383 |  | 1,052 |
Ending balance |  | 3,793 | 3,278 | 3,793 | 3,278 | 3,255
Consumer Portfolio Segment [Member] | Consumer Direct [Member] | Topic ASC 326 |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 2,612 |  |
Charge-offs |  |  |  | (1,214) |  |
Recoveries |  |  |  | 578 |  |
Steuben acquisition |  |  |  | 87 |  |
Provision |  |  |  | 1,730 |  |
Ending balance |  | 3,793 |  | 3,793 |  | 2,612
Consumer Portfolio Segment [Member] | Consumer Direct [Member] | Topic ASC 326 | Cumulative Effect Adjustment |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | (643) |  |
Ending balance |  |  |  |  |  | (643)
Consumer Portfolio Segment [Member] | Home Equity [Member] |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  | 2,690 | 2,103 | 2,129 | 2,144 | 2,144
Charge-offs |  | (24) | (45) |  | (223) |
Recoveries |  | 5 | 32 |  | 68 |
Provision |  | (124) | (8) |  | 93 |
Ending balance |  | 2,547 | 2,082 | 2,547 | 2,082 | 2,129
Consumer Portfolio Segment [Member] | Home Equity [Member] | Topic ASC 326 |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 2,937 |  |
Charge-offs |  |  |  | (178) |  |
Recoveries |  |  |  | 23 |  |
Steuben acquisition |  |  |  | 235 |  |
Provision |  |  |  | (470) |  |
Ending balance |  | 2,547 |  | 2,547 |  | 2,937
Consumer Portfolio Segment [Member] | Home Equity [Member] | Topic ASC 326 | Cumulative Effect Adjustment |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 808 |  |
Ending balance |  |  |  |  |  | 808
Unallocated Financing Receivables [Member] |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  | 1,000 | 991 | 957 | 1,000 | 1,000
Charge-offs |  | 0 | 0 |  | 0 |
Recoveries |  | 0 | 0 |  | 0 |
Provision |  | 4 | (53) |  | (62) |
Ending balance |  | 1,004 | $ 938 | 1,004 | $ 938 | 957
Unallocated Financing Receivables [Member] | Topic ASC 326 |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | 1,000 |  |
Charge-offs |  |  |  | 0 |  |
Recoveries |  |  |  | 0 |  |
Steuben acquisition |  |  |  | 0 |  |
Provision |  |  |  | 4 |  |
Ending balance |  | $ 1,004 |  | 1,004 |  | 1,000
Unallocated Financing Receivables [Member] | Topic ASC 326 | Cumulative Effect Adjustment |  |  |  |  |  |
Allowance for credit losses - loans [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  |  | $ 43 |  |
Ending balance |  |  |  |  |  | $ 43

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