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v3.20.2

Allowance for Credit Losses - Allowance for Credit Loss Activity (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2020 | Jun. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | $ 114,609 |  | $ 61,479 | $ 62,224 | $ 60,996 | $ 60,996 |
Provision for credit losses on loans | 19,302 |  | 4,913 | 123,564 | 12,767 |  |
Charge-offs | (13,667) |  | (4,700) | (93,416) | (13,391) |  |
Recoveries | 754 |  | 423 | 1,274 | 1,743 |  |
Net (Charge-offs)/Recoveries | (12,913) |  | (4,277) | (92,142) | (11,648) |  |
Balance at End of Period | 120,998 | $ 114,609 | 62,115 | $ 120,998 | 62,115 | $ 62,224 | $ 60,996
Accounting Standards Update [Extensible List] |  |  |  | us-gaap:AccountingStandardsUpdate201613Member |  | us-gaap:AccountingStandardsUpdate201613Member | us-gaap:AccountingStandardsUpdate201602Member
Customer fraud, check kiting |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Charge-offs |  | (58,700) |  |  |  |  |
Commercial | Commercial real estate |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 57,730 |  | 32,836 | $ 30,577 | 33,707 | $ 33,707 |
Provision for credit losses on loans | 23,839 |  | 1,292 | 52,185 | 822 |  |
Charge-offs | (10,187) |  | (2,304) | (16,229) | (2,833) |  |
Recoveries | 172 |  | 6 | 211 | 134 |  |
Net (Charge-offs)/Recoveries | (10,015) |  | (2,298) | (16,018) | (2,699) |  |
Balance at End of Period | 71,554 | 57,730 | 31,830 | 71,554 | 31,830 | 30,577 | $ 33,707
Commercial | Commercial and industrial |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 19,164 |  | 13,227 | 15,681 | 11,596 | 11,596 |
Provision for credit losses on loans | (4,155) |  | 2,397 | 62,949 | 10,432 |  |
Charge-offs | (1,196) |  | (1,467) | (72,692) | (8,379) |  |
Recoveries | 398 |  | 210 | 420 | 718 |  |
Net (Charge-offs)/Recoveries | (798) |  | (1,257) | (72,272) | (7,661) |  |
Balance at End of Period | 14,211 | 19,164 | 14,367 | 14,211 | 14,367 | 15,681 | 11,596
Commercial | Commercial construction |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 8,874 |  | 7,254 | 7,900 | 7,983 | 7,983 |
Provision for credit losses on loans | (1,617) |  | 620 | 2,712 | (112) |  |
Charge-offs | 0 |  | 0 | 0 | 0 |  |
Recoveries | 1 |  | 1 | 22 | 4 |  |
Net (Charge-offs)/Recoveries | 1 |  | 1 | 22 | 4 |  |
Balance at End of Period | 7,258 | 8,874 | 7,875 | 7,258 | 7,875 | 7,900 | 7,983
Commercial | Business banking |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 14,404 |  |  | 0 |  |  |
Provision for credit losses on loans | 2,072 |  |  | 4,197 |  |  |
Charge-offs | (1,748) |  |  | (2,469) |  |  |
Recoveries | 64 |  |  | 166 |  |  |
Net (Charge-offs)/Recoveries | (1,684) |  |  | (2,303) |  |  |
Balance at End of Period | 14,792 | 14,404 |  | 14,792 |  | 0 |
Consumer | Consumer real estate |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 11,585 |  | 6,571 | 6,337 | 6,187 | 6,187 |
Provision for credit losses on loans | (797) |  | 65 | 32 | 367 |  |
Charge-offs | (252) |  | (404) | (470) | (815) |  |
Recoveries | 41 |  | 102 | 153 | 595 |  |
Net (Charge-offs)/Recoveries | (211) |  | (302) | (317) | (220) |  |
Balance at End of Period | 10,577 | 11,585 | 6,334 | 10,577 | 6,334 | 6,337 | 6,187
Consumer | Other consumer |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 2,852 |  | 1,591 | 1,729 | 1,523 | 1,523 |
Provision for credit losses on loans | (40) |  | 539 | 1,489 | 1,258 |  |
Charge-offs | (284) |  | (525) | (1,556) | (1,364) |  |
Recoveries | 78 |  | 104 | 302 | 292 |  |
Net (Charge-offs)/Recoveries | (206) |  | (421) | (1,254) | (1,072) |  |
Balance at End of Period | $ 2,606 | $ 2,852 | $ 1,709 | 2,606 | $ 1,709 | 1,729 | $ 1,523
Impact of ASU 2016-13 Adoption |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 27,352 |  |  |
Balance at End of Period |  |  |  |  |  | 27,352 |
Impact of ASU 2016-13 Adoption | Commercial | Commercial real estate |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 4,810 |  |  |
Balance at End of Period |  |  |  |  |  | 4,810 |
Impact of ASU 2016-13 Adoption | Commercial | Commercial and industrial |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 7,853 |  |  |
Balance at End of Period |  |  |  |  |  | 7,853 |
Impact of ASU 2016-13 Adoption | Commercial | Commercial construction |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | (3,376) |  |  |
Balance at End of Period |  |  |  |  |  | (3,376) |
Impact of ASU 2016-13 Adoption | Commercial | Business banking |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 12,898 |  |  |
Balance at End of Period |  |  |  |  |  | 12,898 |
Impact of ASU 2016-13 Adoption | Consumer | Consumer real estate |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | 4,525 |  |  |
Balance at End of Period |  |  |  |  |  | 4,525 |
Impact of ASU 2016-13 Adoption | Consumer | Other consumer |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period |  |  |  | $ 642 |  |  |
Balance at End of Period |  |  |  |  |  | $ 642 |

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