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Portfolio Loans -Summary of portfolio loans that are past due and still accruing or on a non-accrual status (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | $ 7,670,114 | $ 7,188,998
90 days past due and still accruing | 1,229 | 906
Non-accrual Loans | 15,425 | 15,946
30 to 59 days past due and still accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 4,426 | 3,964
60 to 89 days past due and still accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 1,881 | 2,297
Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 1,945,893 | 1,943,886
90 days past due and still accruing | 625 | 213
Non-accrual Loans | 6,227 | 7,004
Commercial | 30 to 59 days past due and still accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 19 | 363
Commercial | 60 to 89 days past due and still accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 45 | 10
Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 3,278,684 | 3,119,807
90 days past due and still accruing | 349 | 0
Non-accrual Loans | 5,792 | 5,973
Commercial real estate | 30 to 59 days past due and still accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 411 | 151
Commercial real estate | 60 to 89 days past due and still accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 0 | 441
Real estate construction |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 499,560 | 385,996
90 days past due and still accruing | 0 | 0
Non-accrual Loans | 48 | 0
Real estate construction | 30 to 59 days past due and still accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 0 | 56
Real estate construction | 60 to 89 days past due and still accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 0 | 0
Retail real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 1,643,099 | 1,512,976
90 days past due and still accruing | 255 | 693
Non-accrual Loans | 3,240 | 2,898
Retail real estate | 30 to 59 days past due and still accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 3,734 | 3,312
Retail real estate | 60 to 89 days past due and still accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 1,831 | 1,830
Retail other |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 302,878 | 226,333
90 days past due and still accruing | 0 | 0
Non-accrual Loans | 118 | 71
Retail other | 30 to 59 days past due and still accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | 262 | 82
Retail other | 60 to 89 days past due and still accruing |  |
Financing Receivable, Past Due [Line Items] |  |
Portfolio loans | $ 5 | $ 16

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