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Portfolio Loans - Summary of risk grades segregated by category (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Loans |  |
Portfolio loans | $ 7,497,778 | $ 7,188,998
Pass |  |
Loans |  |
Portfolio loans | 6,928,632 | 6,518,101
Watch |  |
Loans |  |
Portfolio loans | 373,517 | 463,053
Special Mention |  |
Loans |  |
Portfolio loans | 94,326 | 121,120
Substandard |  |
Loans |  |
Portfolio loans | 85,463 | 70,778
Substandard Non-accrual |  |
Loans |  |
Portfolio loans | 15,840 | 15,946
Commercial |  |
Loans |  |
Portfolio loans | 1,919,680 | 1,943,886
Commercial | Pass |  |
Loans |  |
Portfolio loans | 1,743,101 | 1,747,756
Commercial | Watch |  |
Loans |  |
Portfolio loans | 86,902 | 93,582
Commercial | Special Mention |  |
Loans |  |
Portfolio loans | 44,434 | 69,427
Commercial | Substandard |  |
Loans |  |
Portfolio loans | 38,425 | 26,117
Commercial | Substandard Non-accrual |  |
Loans |  |
Portfolio loans | 6,818 | 7,004
Commercial real estate |  |
Loans |  |
Portfolio loans | 3,228,090 | 3,119,807
Commercial real estate | Pass |  |
Loans |  |
Portfolio loans | 2,867,188 | 2,682,441
Commercial real estate | Watch |  |
Loans |  |
Portfolio loans | 265,920 | 343,304
Commercial real estate | Special Mention |  |
Loans |  |
Portfolio loans | 47,867 | 49,695
Commercial real estate | Substandard |  |
Loans |  |
Portfolio loans | 40,879 | 38,394
Commercial real estate | Substandard Non-accrual |  |
Loans |  |
Portfolio loans | 6,236 | 5,973
Real estate construction |  |
Loans |  |
Portfolio loans | 466,185 | 385,996
Real estate construction | Pass |  |
Loans |  |
Portfolio loans | 450,887 | 369,797
Real estate construction | Watch |  |
Loans |  |
Portfolio loans | 12,848 | 13,793
Real estate construction | Special Mention |  |
Loans |  |
Portfolio loans | 3 | 6
Real estate construction | Substandard |  |
Loans |  |
Portfolio loans | 2,400 | 2,400
Real estate construction | Substandard Non-accrual |  |
Loans |  |
Portfolio loans | 47 |
Retail real estate |  |
Loans |  |
Portfolio loans | 1,590,913 | 1,512,976
Retail real estate | Pass |  |
Loans |  |
Portfolio loans | 1,574,634 | 1,491,845
Retail real estate | Watch |  |
Loans |  |
Portfolio loans | 7,847 | 12,374
Retail real estate | Special Mention |  |
Loans |  |
Portfolio loans | 2,022 | 1,992
Retail real estate | Substandard |  |
Loans |  |
Portfolio loans | 3,759 | 3,867
Retail real estate | Substandard Non-accrual |  |
Loans |  |
Portfolio loans | 2,651 | 2,898
Retail other |  |
Loans |  |
Portfolio loans | 292,910 | 226,333
Retail other | Pass |  |
Loans |  |
Portfolio loans | 292,822 | 226,262
Retail other | Substandard Non-accrual |  |
Loans |  |
Portfolio loans | 88 | 71
Commercial Loans |  |
Loans |  |
Portfolio loans | 1,919,680 | 1,943,886
Commercial Real Estate Loans |  |
Loans |  |
Portfolio loans | 3,228,090 | 3,119,807
Real Estate Construction |  |
Loans |  |
Portfolio loans | 466,185 | 385,996
Retail real estate |  |
Loans |  |
Portfolio loans | 1,590,913 | 1,512,976
Retail other |  |
Loans |  |
Portfolio loans | 292,910 | $ 226,333
Retail other | Retail other | Substandard Non-accrual |  |
Loans |  |
Portfolio loans | $ 88 |

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