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Loans - Summary of Risk Category of Loans by Class of Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | $ 2,196,934 | $ 2,142,015
Real Estate | Construction and Land Development |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 96,020 | 113,235
Real Estate | Commercial Real Estate |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 793,268 | 758,721
Real Estate | Single-family Residential Mortgages |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 957,254 | 881,249
Commercial | Commercial and Industrial |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 274,586 | 304,310
Commercial | SBA |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 74,985 | 84,500
Other |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 821 |
Pass |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 2,146,181 | 2,111,225
Pass | Real Estate | Construction and Land Development |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 95,756 | 112,959
Pass | Real Estate | Commercial Real Estate |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 767,603 | 743,123
Pass | Real Estate | Single-family Residential Mortgages |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 955,327 | 880,860
Pass | Commercial | Commercial and Industrial |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 265,178 | 295,226
Pass | Commercial | SBA |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 61,496 | 79,057
Pass | Other |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 821 |
Special Mention |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 9,620 | 13,355
Special Mention | Real Estate | Commercial Real Estate |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 5,353 | 7,069
Special Mention | Commercial | Commercial and Industrial |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 4,078 | 6,286
Special Mention | Commercial | SBA |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 189 |
Substandard |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 27,915 | 14,154
Substandard | Real Estate | Commercial Real Estate |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 18,115 | 6,496
Substandard | Real Estate | Single-family Residential Mortgages |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 593 | 389
Substandard | Commercial | Commercial and Industrial |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 5,330 | 2,798
Substandard | Commercial | SBA |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 3,877 | 4,471
Impaired |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 13,218 | 3,281
Impaired | Real Estate | Construction and Land Development |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 264 | 276
Impaired | Real Estate | Commercial Real Estate |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 2,197 | 2,033
Impaired | Real Estate | Single-family Residential Mortgages |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 1,334 |
Impaired | Commercial | SBA |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | $ 9,423 | $ 972

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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 + Details
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