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Portfolio Loans - Activity in the allowance for loan losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Activity in the allowance for loan losses |  |  |  |  |
ACL beginning balance | $ 95,410 | $ 96,046 | $ 101,048 | $ 53,748 |
Provision for credit losses | (1,869) | 5,549 | (10,365) | 35,656 |
Charged-off | (1,208) | (3,397) | (3,711) | (9,247) |
Recoveries | 469 | 643 | 1,652 | 1,851 |
ACL ending balance | 92,802 | 98,841 | 92,802 | 98,841 |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Loans individually evaluated for impairment | 4,475 |  | 4,475 |  | $ 1,625
Loans collectively evaluated for impairment | 88,327 |  | 88,327 |  | 99,423
Ending balance | 92,802 | 98,841 | 92,802 | 98,841 | 101,048
Loans: |  |  |  |  |
Loans individually evaluated for impairment | 20,366 |  | 20,366 |  | 20,246
Loans collectively evaluated for impairment | 7,130,269 |  | 7,130,269 |  | 6,793,931
Ending balance | 7,150,635 |  | 7,150,635 |  | 6,814,177
Day 1 PCD |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL beginning balance |  |  | 4,178 |  |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Ending balance |  |  |  |  | 4,178
Commercial Loans |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL beginning balance | 24,356 | 24,146 | 23,866 | 18,291 |
Provision for credit losses | 657 | 2,593 | (1,428) | 10,739 |
Charged-off | (764) | (2,500) | (2,026) | (5,682) |
Recoveries | 157 | 124 | 448 | 300 |
ACL ending balance | 24,406 | 24,363 | 24,406 | 24,363 |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Loans individually evaluated for impairment | 4,450 |  | 4,450 |  | 1,600
Loans collectively evaluated for impairment | 19,956 |  | 19,956 |  | 22,266
Ending balance | 24,406 | 24,363 | 24,406 | 24,363 | 23,866
Loans: |  |  |  |  |
Loans individually evaluated for impairment | 10,206 |  | 10,206 |  | 8,372
Loans collectively evaluated for impairment | 1,921,657 |  | 1,921,657 |  | 2,006,204
Ending balance | 1,931,863 |  | 1,931,863 |  | 2,014,576
Commercial Loans | Day 1 PCD |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL beginning balance |  |  | 3,546 |  |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Ending balance |  |  |  |  | 3,546
Commercial Real Estate Loans |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL beginning balance | 39,974 | 42,680 | 46,230 | 21,190 |
Provision for credit losses | (25) | 3,703 | (6,109) | 17,090 |
Charged-off | (191) | (569) | (812) | (1,833) |
Recoveries | 73 | 103 | 186 | 164 |
ACL ending balance | 39,831 | 45,917 | 39,831 | 45,917 |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Loans collectively evaluated for impairment | 39,831 |  | 39,831 |  | 46,230
Ending balance | 39,831 | 45,917 | 39,831 | 45,917 | 46,230
Loans: |  |  |  |  |
Loans individually evaluated for impairment | 6,222 |  | 6,222 |  | 6,067
Loans collectively evaluated for impairment | 3,062,400 |  | 3,062,400 |  | 2,886,468
Ending balance | 3,068,622 |  | 3,068,622 |  | 2,892,535
Commercial Real Estate Loans | Day 1 PCD |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL beginning balance |  |  | 336 |  |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Ending balance |  |  |  |  | 336
Real Estate Construction |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL beginning balance | 7,599 | 7,792 | 8,193 | 3,204 |
Provision for credit losses | (1,503) | (381) | (2,082) | 1,082 |
Charged-off |  | (18) | (209) | (18) |
Recoveries | 25 | 26 | 219 | 197 |
ACL ending balance | 6,121 | 7,419 | 6,121 | 7,419 |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Loans collectively evaluated for impairment | 6,121 |  | 6,121 |  | 8,193
Ending balance | 6,121 | 7,419 | 6,121 | 7,419 | 8,193
Loans: |  |  |  |  |
Loans individually evaluated for impairment | 276 |  | 276 |  | 292
Loans collectively evaluated for impairment | 430,581 |  | 430,581 |  | 461,494
Ending balance | 430,857 |  | 430,857 |  | 461,786
Retail Real Estate |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL beginning balance | 20,505 | 20,405 | 21,992 | 10,495 |
Provision for credit losses | (1,155) | (383) | (3,028) | 6,635 |
Charged-off | (155) | (139) | (315) | (1,139) |
Recoveries | 157 | 301 | 574 | 901 |
ACL ending balance | 19,352 | 20,184 | 19,352 | 20,184 |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Loans individually evaluated for impairment | 25 |  | 25 |  | 25
Loans collectively evaluated for impairment | 19,327 |  | 19,327 |  | 21,967
Ending balance | 19,352 | 20,184 | 19,352 | 20,184 | 21,992
Loans: |  |  |  |  |
Loans individually evaluated for impairment | 3,662 |  | 3,662 |  | 5,515
Loans collectively evaluated for impairment | 1,509,222 |  | 1,509,222 |  | 1,402,337
Ending balance | 1,512,884 |  | 1,512,884 |  | 1,407,852
Retail Real Estate | Day 1 PCD |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL beginning balance |  |  | 129 |  |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Ending balance |  |  |  |  | 129
Retail Other |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL beginning balance | 2,976 | 1,023 | 767 | 568 |
Provision for credit losses | 157 | 17 | 2,282 | 110 |
Charged-off | (98) | (171) | (349) | (575) |
Recoveries | 57 | 89 | 225 | 289 |
ACL ending balance | 3,092 | 958 | 3,092 | 958 |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Loans collectively evaluated for impairment | 3,092 |  | 3,092 |  | 767
Ending balance | 3,092 | 958 | 3,092 | 958 | 767
Loans: |  |  |  |  |
Loans collectively evaluated for impairment | 206,409 |  | 206,409 |  | 37,428
Ending balance | $ 206,409 |  | 206,409 |  | 37,428
Retail Other | Day 1 PCD |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL beginning balance |  |  | $ 167 |  |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Ending balance |  |  |  |  | $ 167
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL ending balance |  | 16,833 |  | 16,833 |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Ending balance |  | 16,833 |  | 16,833 |
Cumulative Effect, Period of Adoption, Adjustment | Commercial Loans |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL ending balance |  | 715 |  | 715 |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Ending balance |  | 715 |  | 715 |
Cumulative Effect, Period of Adoption, Adjustment | Commercial Real Estate Loans |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL ending balance |  | 9,306 |  | 9,306 |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Ending balance |  | 9,306 |  | 9,306 |
Cumulative Effect, Period of Adoption, Adjustment | Real Estate Construction |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL ending balance |  | 2,954 |  | 2,954 |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Ending balance |  | 2,954 |  | 2,954 |
Cumulative Effect, Period of Adoption, Adjustment | Retail Real Estate |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL ending balance |  | 3,292 |  | 3,292 |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Ending balance |  | 3,292 |  | 3,292 |
Cumulative Effect, Period of Adoption, Adjustment | Retail Other |  |  |  |  |
Activity in the allowance for loan losses |  |  |  |  |
ACL ending balance |  | 566 |  | 566 |
Allowance for loan losses Ending balance attributed to: |  |  |  |  |
Ending balance |  | $ 566 |  | $ 566 |

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