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Portfolio Loans - Summary of Portfolio Loans Individually Evaluated for Impairment by Category (Details) - Non-Covered Loans - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Financing Receivable, Impaired [Line Items] |  |
Total Recorded Investment | $ 38,507 | $ 26,425
Commercial and industrial |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With No Allowance | 8,316 | 7,654
Total Recorded Investment | 21,770 | 22,578
Commercial - investor owned |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With No Allowance | 716 | 811
Total Recorded Investment | 9,579 | 2,303
CRE - owner occupied |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With No Allowance | 6,024 | 213
Total Recorded Investment | 2,940 | 213
Construction and land development |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With No Allowance |  | 1,120
Residential real estate |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With No Allowance | 3,190 | 0
Total Recorded Investment | 4,189 | 1,330
Other |  |
Financing Receivable, Impaired [Line Items] |  |
Recorded Investment With No Allowance | 18,246 | 9,798
Total Recorded Investment | $ 29 | $ 1

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