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v3.19.3.a.u2

Portfolio loans and allowance for loan losses - Summary of risk grades segregated by category (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Loans |  |
Portfolio loans | $ 6,687,249 | $ 5,568,428
Pass |  |
Loans |  |
Portfolio loans | 5,997,126 | 4,976,708
Watch |  |
Loans |  |
Portfolio loans | 413,876 | 330,650
Special Mention |  |
Loans |  |
Portfolio loans | 181,107 | 142,839
Substandard |  |
Loans |  |
Portfolio loans | 75,215 | 86,060
Substandard Non-accrual |  |
Loans |  |
Portfolio loans | 27,896 | 34,997
Commercial | Pass |  |
Loans |  |
Portfolio loans | 1,458,416 | 1,126,257
Commercial | Watch |  |
Loans |  |
Portfolio loans | 172,526 | 172,449
Commercial | Special Mention |  |
Loans |  |
Portfolio loans | 66,337 | 47,000
Commercial | Substandard |  |
Loans |  |
Portfolio loans | 41,273 | 42,532
Commercial | Substandard Non-accrual |  |
Loans |  |
Portfolio loans | 9,096 | 17,953
Commercial real estate | Pass |  |
Loans |  |
Portfolio loans | 2,477,398 | 2,106,711
Commercial real estate | Watch |  |
Loans |  |
Portfolio loans | 186,963 | 137,214
Commercial real estate | Special Mention |  |
Loans |  |
Portfolio loans | 105,487 | 85,148
Commercial real estate | Substandard |  |
Loans |  |
Portfolio loans | 26,204 | 36,205
Commercial real estate | Substandard Non-accrual |  |
Loans |  |
Portfolio loans | 9,178 | 10,298
Real estate construction | Pass |  |
Loans |  |
Portfolio loans | 351,923 | 268,069
Real estate construction | Watch |  |
Loans |  |
Portfolio loans | 45,262 | 14,562
Real estate construction | Special Mention |  |
Loans |  |
Portfolio loans | 3,928 | 3,899
Real estate construction | Substandard |  |
Loans |  |
Portfolio loans | 737 | 1,888
Real estate construction | Substandard Non-accrual |  |
Loans |  |
Portfolio loans | 630 | 18
Retail Real Estate | Pass |  |
Loans |  |
Portfolio loans | 1,661,691 | 1,448,964
Retail Real Estate | Watch |  |
Loans |  |
Portfolio loans | 9,125 | 6,425
Retail Real Estate | Special Mention |  |
Loans |  |
Portfolio loans | 5,355 | 6,792
Retail Real Estate | Substandard |  |
Loans |  |
Portfolio loans | 7,001 | 5,435
Retail Real Estate | Substandard Non-accrual |  |
Loans |  |
Portfolio loans | 8,935 | 6,698
Retail Other | Pass |  |
Loans |  |
Portfolio loans | 47,698 | 26,707
Retail Other | Substandard Non-accrual |  |
Loans |  |
Portfolio loans | 57 | 30
Commercial Loans |  |
Loans |  |
Portfolio loans | 1,748,368 | 1,405,106
Commercial Real Estate Loans |  |
Loans |  |
Portfolio loans | 2,793,417 | 2,366,823
Real Estate Construction |  |
Loans |  |
Portfolio loans | 401,861 | 288,197
Retail Real Estate |  |
Loans |  |
Portfolio loans | 1,693,769 | 1,480,133
Retail Other |  |
Loans |  |
Portfolio loans | $ 49,834 | $ 28,169

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