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Loans - Summary of Recorded Investment in Impaired Portfolio Loans by Category (Details) - Non-Covered Loans $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 USD ($) loan | Jun. 30, 2019 loan | Dec. 31, 2019 USD ($)
Financing Receivable, Past Due [Line Items] |  |  |
Total Recorded Investment | $ 41,473 |  | $ 26,425
Recorded Investment With No Allowance | $ 27,284 |  |
Financing Receivable, Modifications, Number of Contracts | loan | 3 | 3 |
Nonaccrual | $ 36,867 |  | 26,096
Restructured, accruing | 3,720 |  | 79
Impaired Financing Receivables, Recorded Investment, 90 Days Past Due and Still Accruing | 886 |  | 250
Commercial and industrial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Recorded Investment | 31,938 |  | 22,578
Recorded Investment With No Allowance | $ 20,553 |  |
Financing Receivable, Modifications, Number of Contracts | loan | 1 | 0 |
Nonaccrual | $ 27,431 |  | 22,328
Restructured, accruing | 3,642 |  | 0
Impaired Financing Receivables, Recorded Investment, 90 Days Past Due and Still Accruing | 865 |  | 250
Commercial - investor owned |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Recorded Investment | 2,389 |  | 2,303
Recorded Investment With No Allowance | 1,677 |  |
Nonaccrual | 2,389 |  | 2,303
Restructured, accruing | 0 |  | 0
Impaired Financing Receivables, Recorded Investment, 90 Days Past Due and Still Accruing | 0 |  | 0
Commercial - owner occupied |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Recorded Investment | 2,400 |  | 213
Recorded Investment With No Allowance | $ 1,403 |  |
Financing Receivable, Modifications, Number of Contracts | loan | 0 | 1 |
Nonaccrual | $ 2,400 |  | 213
Restructured, accruing | 0 |  | 0
Impaired Financing Receivables, Recorded Investment, 90 Days Past Due and Still Accruing | 0 |  | 0
Construction and land development |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Recorded Investment | 207 |  |
Recorded Investment With No Allowance | 207 |  |
Nonaccrual | 207 |  |
Restructured, accruing | 0 |  |
Impaired Financing Receivables, Recorded Investment, 90 Days Past Due and Still Accruing | 0 |  |
Residential real estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Recorded Investment | 4,499 |  | 1,330
Recorded Investment With No Allowance | $ 3,444 |  |
Financing Receivable, Modifications, Number of Contracts | loan | 2 | 2 |
Nonaccrual | $ 4,421 |  | 1,251
Restructured, accruing | 78 |  | 79
Impaired Financing Receivables, Recorded Investment, 90 Days Past Due and Still Accruing | 0 |  | 0
Other |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Recorded Investment | 40 |  | 1
Recorded Investment With No Allowance | 0 |  |
Nonaccrual | 19 |  | 1
Restructured, accruing | 0 |  | 0
Impaired Financing Receivables, Recorded Investment, 90 Days Past Due and Still Accruing | $ 21 |  | $ 0

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