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Portfolio Loans - Risk grades of portfolio loans, further sorted by origination year (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | $ 1,305,716 | $ 2,288,440
2023, charge-off | 4 |
2022 / 2021 | 1,877,528 | 1,926,481
2022, charge-off | 76 |
2021 / 2020 | 1,647,750 | 962,405
2021, charge-off | 577 |
2020 / 2019 | 775,934 | 558,294
2020, charge-off | 30 |
2019 / 2018 | 498,204 | 323,245
2019, charge-off | 617 |
Prior | 771,673 | 644,140
Prior, charge-off | 2,339 |
Revolving Loans | 979,355 | 1,022,697
Revolving Loans, charge-off | 0 |
Total | 7,856,160 | 7,725,702
Total, gross write-offs | 3,643 |
Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 7,005,508 | 6,964,678
Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 721,586 | 563,897
Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 70,118 | 91,405
Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 47,650 | 90,655
Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 11,298 | 15,067
Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 401,852 | 544,993
2023, charge-off | 0 |
2022 / 2021 | 316,757 | 320,898
2022, charge-off | 0 |
2021 / 2020 | 230,222 | 142,171
2021, charge-off | 420 |
2020 / 2019 | 101,371 | 67,027
2020, charge-off | 0 |
2019 / 2018 | 51,586 | 55,404
2019, charge-off | 316 |
Prior | 186,358 | 159,475
Prior, charge-off | 997 |
Revolving Loans | 655,303 | 684,186
Revolving Loans, charge-off | 0 |
Total | 1,943,449 | 1,974,154
Total, gross write-offs | 1,733 |
Commercial | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 279,467 | 479,893
2022 / 2021 | 255,619 | 266,122
2021 / 2020 | 181,603 | 136,445
2020 / 2019 | 74,600 | 52,046
2019 / 2018 | 39,483 | 50,764
Prior | 152,523 | 135,000
Revolving Loans | 550,267 | 548,225
Total | 1,533,562 | 1,668,495
Commercial | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 112,285 | 54,195
2022 / 2021 | 59,685 | 49,382
2021 / 2020 | 44,244 | 3,288
2020 / 2019 | 25,119 | 7,201
2019 / 2018 | 7,526 | 1,258
Prior | 24,532 | 2,160
Revolving Loans | 77,429 | 84,274
Total | 350,820 | 201,758
Commercial | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 616 | 1,958
2022 / 2021 | 541 | 937
2021 / 2020 | 651 | 1,642
2020 / 2019 | 1,104 | 974
2019 / 2018 | 499 | 1,000
Prior | 6,937 | 17,024
Revolving Loans | 14,357 | 23,005
Total | 24,705 | 46,540
Commercial | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 8,901 | 8,926
2022 / 2021 | 912 | 1,165
2021 / 2020 | 1,119 | 570
2020 / 2019 | 445 | 6,671
2019 / 2018 | 3,948 | 2,382
Prior | 1,859 | 5,191
Revolving Loans | 11,550 | 26,282
Total | 28,734 | 51,187
Commercial | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 583 | 21
2022 / 2021 | 0 | 3,292
2021 / 2020 | 2,605 | 226
2020 / 2019 | 103 | 135
2019 / 2018 | 130 | 0
Prior | 507 | 100
Revolving Loans | 1,700 | 2,400
Total | 5,628 | 6,174
Commercial real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 456,269 | 978,317
2023, charge-off | 0 |
2022 / 2021 | 898,639 | 898,122
2022, charge-off | 0 |
2021 / 2020 | 862,943 | 558,607
2021, charge-off | 0 |
2020 / 2019 | 444,723 | 397,516
2020, charge-off | 0 |
2019 / 2018 | 366,956 | 201,813
2019, charge-off | 239 |
Prior | 300,836 | 209,715
Prior, charge-off | 936 |
Revolving Loans | 23,387 | 17,783
Revolving Loans, charge-off | 0 |
Total | 3,353,753 | 3,261,873
Total, gross write-offs | 1,175 |
Commercial real estate | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 352,661 | 883,688
2022 / 2021 | 850,371 | 819,133
2021 / 2020 | 778,662 | 478,452
2020 / 2019 | 404,109 | 297,525
2019 / 2018 | 281,889 | 161,409
Prior | 258,207 | 198,419
Revolving Loans | 18,292 | 13,083
Total | 2,944,191 | 2,851,709
Commercial real estate | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 82,748 | 77,346
2022 / 2021 | 45,945 | 56,113
2021 / 2020 | 69,450 | 64,282
2020 / 2019 | 33,694 | 96,664
2019 / 2018 | 79,906 | 21,592
Prior | 34,700 | 5,758
Revolving Loans | 5,051 | 4,700
Total | 351,494 | 326,455
Commercial real estate | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 18,753 | 11,943
2022 / 2021 | 1,597 | 5,389
2021 / 2020 | 13,762 | 12,386
2020 / 2019 | 3,908 | 1,420
2019 / 2018 | 3,330 | 6,917
Prior | 3,421 | 5,471
Revolving Loans | 0 | 0
Total | 44,771 | 43,526
Commercial real estate | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 1,882 | 5,340
2022 / 2021 | 193 | 13,528
2021 / 2020 | 904 | 3,454
2020 / 2019 | 2,987 | 1,907
2019 / 2018 | 1,831 | 10,248
Prior | 3,898 | 62
Revolving Loans | 44 | 0
Total | 11,739 | 34,539
Commercial real estate | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 225 | 0
2022 / 2021 | 533 | 3,959
2021 / 2020 | 165 | 33
2020 / 2019 | 25 | 0
2019 / 2018 | 0 | 1,647
Prior | 610 | 5
Revolving Loans | 0 | 0
Total | 1,558 | 5,644
Real estate construction |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 159,315 | 230,042
2022 / 2021 | 176,353 | 203,743
2021 / 2020 | 105,216 | 71,184
2020 / 2019 | 58,157 | 1,539
2019 / 2018 | 1,407 | 1,901
Prior | 3,899 | 3,149
Revolving Loans | 23,251 | 18,911
Total | 527,598 | 530,469
Real estate construction | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 152,897 | 219,112
2022 / 2021 | 171,900 | 191,724
2021 / 2020 | 104,963 | 68,015
2020 / 2019 | 54,943 | 1,490
2019 / 2018 | 1,365 | 1,901
Prior | 3,899 | 1,751
Revolving Loans | 23,251 | 18,911
Total | 513,218 | 502,904
Real estate construction | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 1,065 | 8,530
2022 / 2021 | 4,453 | 12,019
2021 / 2020 | 253 | 3,169
2020 / 2019 | 3,214 | 48
2019 / 2018 | 42 | 0
Prior | 0 | 1,398
Revolving Loans | 0 | 0
Total | 9,027 | 25,164
Real estate construction | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 |  | 0
2022 / 2021 |  | 0
2021 / 2020 |  | 0
2020 / 2019 |  | 1
2019 / 2018 |  | 0
Prior |  | 0
Revolving Loans |  | 0
Total | 0 | 1
Real estate construction | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 5,353 | 2,400
2022 / 2021 | 0 | 0
2021 / 2020 | 0 | 0
2020 / 2019 | 0 | 0
2019 / 2018 | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Total | 5,353 | 2,400
Real estate construction | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Retail real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 202,184 | 400,507
2023, charge-off | 0 |
2022 / 2021 | 382,882 | 460,072
2022, charge-off | 5 |
2021 / 2020 | 423,392 | 177,299
2021, charge-off | 0 |
2020 / 2019 | 163,508 | 79,126
2020, charge-off | 29 |
2019 / 2018 | 71,864 | 58,481
2019, charge-off | 62 |
Prior | 279,040 | 270,808
Prior, charge-off | 156 |
Revolving Loans | 192,575 | 210,789
Revolving Loans, charge-off | 0 |
Total | 1,715,445 | 1,657,082
Total, gross write-offs | 252 |
Retail real estate | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 201,140 | 396,547
2022 / 2021 | 379,512 | 456,158
2021 / 2020 | 420,164 | 175,148
2020 / 2019 | 162,295 | 77,569
2019 / 2018 | 71,102 | 56,887
Prior | 274,617 | 267,387
Revolving Loans | 189,862 | 209,903
Total | 1,698,692 | 1,639,599
Retail real estate | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 767 | 2,928
2022 / 2021 | 2,704 | 2,991
2021 / 2020 | 2,877 | 1,846
2020 / 2019 | 973 | 1,444
2019 / 2018 | 579 | 1,063
Prior | 596 | 27
Revolving Loans | 1,749 | 221
Total | 10,245 | 10,520
Retail real estate | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 204 | 945
2022 / 2021 | 55 | 0
2021 / 2020 | 0 | 0
2020 / 2019 | 0 | 0
2019 / 2018 | 0 | 0
Prior | 383 | 393
Revolving Loans | 0 | 0
Total | 642 | 1,338
Retail real estate | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 73 | 77
2022 / 2021 | 73 | 732
2021 / 2020 | 295 | 198
2020 / 2019 | 53 | 81
2019 / 2018 | 82 | 141
Prior | 1,010 | 1,293
Revolving Loans | 238 | 7
Total | 1,824 | 2,529
Retail real estate | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 0 | 10
2022 / 2021 | 538 | 191
2021 / 2020 | 56 | 107
2020 / 2019 | 187 | 32
2019 / 2018 | 101 | 390
Prior | 2,434 | 1,708
Revolving Loans | 726 | 658
Total | 4,042 | 3,096
Retail other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 86,096 | 134,581
2023, charge-off | 4 |
2022 / 2021 | 102,897 | 43,646
2022, charge-off | 71 |
2021 / 2020 | 25,977 | 13,144
2021, charge-off | 157 |
2020 / 2019 | 8,175 | 13,086
2020, charge-off | 1 |
2019 / 2018 | 6,391 | 5,646
2019, charge-off | 0 |
Prior | 1,540 | 993
Prior, charge-off | 250 |
Revolving Loans | 84,839 | 91,028
Revolving Loans, charge-off | 0 |
Total | 315,915 | 302,124
Total, gross write-offs | 483 |
Retail other | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 86,096 | 134,567
2022 / 2021 | 102,834 | 43,512
2021 / 2020 | 25,977 | 13,141
2020 / 2019 | 8,172 | 13,086
2019 / 2018 | 6,388 | 5,646
Prior | 1,539 | 991
Revolving Loans | 84,839 | 91,028
Total | 315,845 | 301,971
Retail other | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Retail other | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Retail other | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Retail other | Substandard Non-accrual |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 / 2022 | 0 | 14
2022 / 2021 | 63 | 134
2021 / 2020 | 0 | 3
2020 / 2019 | 3 | 0
2019 / 2018 | 3 | 0
Prior | 1 | 2
Revolving Loans | 0 | 0
Total | $ 70 | $ 153

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