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Loans - Collateral Pledged Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | $ 3,519,519 | $ 3,867,383
Collateral Pledged |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 10,345 | 14,980
ACL Allocation | 1,427 | 1,857
Real Estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 9,484 | 14,656
Accounts Receivable/Equipment |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 861 | 324
Other |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 0 | 0
Commercial and industrial | Collateral Pledged |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due |  | 2,455
ACL Allocation |  | 252
Commercial and industrial | Real Estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due |  | 2,245
Commercial and industrial | Accounts Receivable/Equipment |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due |  | 210
Commercial and industrial | Other |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due |  | 0
Commercial |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 2,104,627 | 2,192,271
Commercial | Collateral Pledged |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 10,345 | 14,980
ACL Allocation | 1,427 | 1,857
Commercial | Real Estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 9,484 | 14,656
Commercial | Accounts Receivable/Equipment |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 861 | 324
Commercial | Other |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 0 | 0
Commercial | Owner occupied real estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 475,908 | 496,306
Commercial | Owner occupied real estate | Collateral Pledged |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 7,450 | 11,423
ACL Allocation | 1,267 | 1,605
Commercial | Owner occupied real estate | Real Estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 7,341 | 11,309
Commercial | Owner occupied real estate | Accounts Receivable/Equipment |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 109 | 114
Commercial | Owner occupied real estate | Other |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 0 | 0
Commercial | Non–owner occupied real estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 995,314 | 999,636
Commercial | Non–owner occupied real estate | Collateral Pledged |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 1,323 | 1,032
ACL Allocation | 0 | 0
Commercial | Non–owner occupied real estate | Real Estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 1,323 | 1,032
Commercial | Non–owner occupied real estate | Accounts Receivable/Equipment |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 0 | 0
Commercial | Non–owner occupied real estate | Other |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 0 | 0
Commercial | Residential spec homes |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 9,215 | 10,070
Commercial | Residential spec homes | Collateral Pledged |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 0 | 0
ACL Allocation | 0 | 0
Commercial | Residential spec homes | Real Estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 0 | 0
Commercial | Residential spec homes | Accounts Receivable/Equipment |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 0 | 0
Commercial | Residential spec homes | Other |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 0 | 0
Commercial | Development & spec land |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 23,188 | 26,372
Commercial | Development & spec land | Collateral Pledged |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 820 | 70
ACL Allocation | 0 | 0
Commercial | Development & spec land | Real Estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 820 | 70
Commercial | Development & spec land | Accounts Receivable/Equipment |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 0 | 0
Commercial | Development & spec land | Other |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 0 | 0
Commercial | Commercial and industrial |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 601,002 | $ 659,887
Commercial | Commercial and industrial | Collateral Pledged |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 752 |
ACL Allocation | 160 |
Commercial | Commercial and industrial | Real Estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 0 |
Commercial | Commercial and industrial | Accounts Receivable/Equipment |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | 752 |
Commercial | Commercial and industrial | Other |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Past Due | $ 0 |

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