Quarterly report pursuant to Section 13 or 15(d)

Allowance for Loan and Lease Losses - Summary of Loans by Key Indicators of Credit Quality (Details)

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Allowance for Loan and Lease Losses - Summary of Loans by Key Indicators of Credit Quality (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Financing Receivable Recorded Investment [Line Items]    
Total loans $ 2,452,353 $ 1,767,182
Pass    
Financing Receivable Recorded Investment [Line Items]    
Total loans 2,404,259 1,727,265
Special Mention    
Financing Receivable Recorded Investment [Line Items]    
Total loans 17,483 8,414
Substandard    
Financing Receivable Recorded Investment [Line Items]    
Total loans 30,310 31,502
Doubtful    
Financing Receivable Recorded Investment [Line Items]    
Total loans 301 1
Commercial and Industrial Loans    
Financing Receivable Recorded Investment [Line Items]    
Total loans 690,009 282,949
Commercial and Industrial Loans | Pass    
Financing Receivable Recorded Investment [Line Items]    
Total loans 670,463 266,688
Commercial and Industrial Loans | Special Mention    
Financing Receivable Recorded Investment [Line Items]    
Total loans 2,783 1,905
Commercial and Industrial Loans | Substandard    
Financing Receivable Recorded Investment [Line Items]    
Total loans 16,462 14,355
Commercial and Industrial Loans | Doubtful    
Financing Receivable Recorded Investment [Line Items]    
Total loans 301 1
Real Estate | 1-4 Single Family Residential Loans    
Financing Receivable Recorded Investment [Line Items]    
Total loans 373,220 375,743
Real Estate | 1-4 Single Family Residential Loans | Pass    
Financing Receivable Recorded Investment [Line Items]    
Total loans 369,024 372,190
Real Estate | 1-4 Single Family Residential Loans | Special Mention    
Financing Receivable Recorded Investment [Line Items]    
Total loans 286 893
Real Estate | 1-4 Single Family Residential Loans | Substandard    
Financing Receivable Recorded Investment [Line Items]    
Total loans 3,910 2,660
Real Estate | Construction, Land and Development    
Financing Receivable Recorded Investment [Line Items]    
Total loans 402,476 259,384
Real Estate | Construction, Land and Development | Pass    
Financing Receivable Recorded Investment [Line Items]    
Total loans 398,134 258,864
Real Estate | Construction, Land and Development | Special Mention    
Financing Receivable Recorded Investment [Line Items]    
Total loans 4,125 304
Real Estate | Construction, Land and Development | Substandard    
Financing Receivable Recorded Investment [Line Items]    
Total loans 217 216
Real Estate | Commercial Real Estate Loans (Including Multifamily)    
Financing Receivable Recorded Investment [Line Items]    
Total loans 906,134 753,812
Real Estate | Commercial Real Estate Loans (Including Multifamily) | Pass    
Financing Receivable Recorded Investment [Line Items]    
Total loans 889,239 734,757
Real Estate | Commercial Real Estate Loans (Including Multifamily) | Special Mention    
Financing Receivable Recorded Investment [Line Items]    
Total loans 7,339 5,312
Real Estate | Commercial Real Estate Loans (Including Multifamily) | Substandard    
Financing Receivable Recorded Investment [Line Items]    
Total loans 9,556 13,743
Consumer Loans and Leases    
Financing Receivable Recorded Investment [Line Items]    
Total loans 12,977 22,769
Consumer Loans and Leases | Pass    
Financing Receivable Recorded Investment [Line Items]    
Total loans 12,901 22,632
Consumer Loans and Leases | Substandard    
Financing Receivable Recorded Investment [Line Items]    
Total loans 76 137
Municipal and Other Loans    
Financing Receivable Recorded Investment [Line Items]    
Total loans 67,537 72,525
Municipal and Other Loans | Pass    
Financing Receivable Recorded Investment [Line Items]    
Total loans 64,498 72,134
Municipal and Other Loans | Special Mention    
Financing Receivable Recorded Investment [Line Items]    
Total loans 2,950  
Municipal and Other Loans | Substandard    
Financing Receivable Recorded Investment [Line Items]    
Total loans $ 89 $ 391