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Loans Receivable - Nonaccrual Loans (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2022
USD ($)
contract
Sep. 30, 2021
USD ($)
contract
Sep. 30, 2022
USD ($)
contract
Sep. 30, 2021
USD ($)
contract
Dec. 31, 2021
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Gross nonaccrual loans $ 6,234,000   $ 6,234,000   $ 23,754,000
Financing Receivable, Nonaccrual, No Allowance 5,060,000   5,060,000   10,763,000
Financing Receivable, Nonaccrual, with Allowance 1,174,000   1,174,000   12,991,000
Financing Receivable, Originated in Current Fiscal Year 595,910,000   595,910,000   795,563,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 750,290,000   750,290,000   495,465,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 400,453,000   400,453,000   665,007,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 560,902,000   560,902,000   341,114,000
Interest and Fee Income, Loans and Leases 43,847,000 $ 46,863,000 125,762,000 $ 147,137,000  
Financing Receivable, Troubled Debt Restructuring, Postmodification 8,075,000 $ 9,529,000 9,113,000 $ 33,880,000  
Pass [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 594,923,000   594,923,000   793,530,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 740,355,000   740,355,000   491,210,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 395,929,000   395,929,000   643,619,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 541,832,000   541,832,000   321,717,000
Special Mention [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 223,000   223,000   590,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 9,401,000   9,401,000   884,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 2,628,000   2,628,000   14,819,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 15,302,000   15,302,000   8,946,000
Substandard [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 764,000   764,000   1,443,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 534,000   534,000   3,371,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,896,000   1,896,000   6,569,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 3,768,000   3,768,000   10,451,000
Commercial Portfolio Segment [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Gross nonaccrual loans         23,107,000
Financing Receivable, Nonaccrual, No Allowance         10,763,000
Financing Receivable, Nonaccrual, with Allowance         12,344,000
Financing Receivable, Originated in Current Fiscal Year 428,894,000   428,894,000   607,848,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 468,374,000   468,374,000   386,542,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 347,889,000   347,889,000   548,563,000
Financing Receivable, Originated Three Years before Latest Fiscal Year $ 493,575,000   $ 493,575,000   296,432,000
Financing Receivable, Modifications, Number of Contracts | contract 4 7 8 41  
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 2,150,000 $ 8,985,000 $ 3,119,000 $ 32,763,000  
Commercial Portfolio Segment [Member] | Pass [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 427,907,000   427,907,000   605,815,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 458,439,000   458,439,000   383,039,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 345,442,000   345,442,000   527,900,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 480,819,000   480,819,000   277,511,000
Commercial Portfolio Segment [Member] | Special Mention [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 223,000   223,000   590,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 9,401,000   9,401,000   884,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 715,000   715,000   14,751,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 9,615,000   9,615,000   8,946,000
Commercial Portfolio Segment [Member] | Substandard [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 764,000   764,000   1,443,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 534,000   534,000   2,619,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,732,000   1,732,000   5,912,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 3,141,000   3,141,000   9,975,000
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Gross nonaccrual loans 5,359,000   5,359,000   10,281,000
Financing Receivable, Nonaccrual, No Allowance 5,060,000   5,060,000   6,454,000
Financing Receivable, Nonaccrual, with Allowance 299,000   299,000   3,827,000
Financing Receivable, Originated in Current Fiscal Year 134,339,000   134,339,000   97,729,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 97,515,000   97,515,000   102,364,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 90,850,000   90,850,000   106,567,000
Financing Receivable, Originated Three Years before Latest Fiscal Year $ 76,137,000   $ 76,137,000   58,941,000
Financing Receivable, Modifications, Number of Contracts | contract 4 5 8 32  
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 2,150,000 $ 1,861,000 $ 3,119,000 $ 10,380,000  
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Pass [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 133,352,000   133,352,000   95,960,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 97,240,000   97,240,000   100,193,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 89,078,000   89,078,000   94,657,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 68,237,000   68,237,000   54,707,000
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Special Mention [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 223,000   223,000   326,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0   0   884,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 715,000   715,000   5,998,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 4,759,000   4,759,000   1,425,000
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Substandard [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 764,000   764,000   1,443,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 275,000   275,000   1,287,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,057,000   1,057,000   5,912,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 3,141,000   3,141,000   2,809,000
Commercial Portfolio Segment [Member] | Owner Occupied Commercial Real Estate [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Gross nonaccrual loans 875,000   875,000   8,174,000
Financing Receivable, Nonaccrual, No Allowance 0   0   3,036,000
Financing Receivable, Nonaccrual, with Allowance 875,000   875,000   5,138,000
Financing Receivable, Originated in Current Fiscal Year 111,751,000   111,751,000   183,006,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 169,705,000   169,705,000   91,941,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 93,947,000   93,947,000   191,459,000
Financing Receivable, Originated Three Years before Latest Fiscal Year $ 173,731,000   $ 173,731,000   85,022,000
Financing Receivable, Modifications, Number of Contracts | contract 0 2 0 6  
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 0 $ 7,124,000 $ 0 $ 16,710,000  
Commercial Portfolio Segment [Member] | Owner Occupied Commercial Real Estate [Member] | Pass [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 111,751,000   111,751,000   182,742,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 168,437,000   168,437,000   90,609,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 93,272,000   93,272,000   188,380,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 172,494,000   172,494,000   73,714,000
Commercial Portfolio Segment [Member] | Owner Occupied Commercial Real Estate [Member] | Special Mention [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Gross nonaccrual loans         571,000
Financing Receivable, Nonaccrual, No Allowance         0
Financing Receivable, Nonaccrual, with Allowance         571,000
Financing Receivable, Originated in Current Fiscal Year 0   0   264,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 1,009,000   1,009,000   0
Financing Receivable, Originated Two Years before Latest Fiscal Year 0   0   3,079,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 1,237,000   1,237,000   7,521,000
Commercial Portfolio Segment [Member] | Owner Occupied Commercial Real Estate [Member] | Substandard [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 0   0   0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 259,000   259,000   1,332,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 675,000   675,000   0
Financing Receivable, Originated Three Years before Latest Fiscal Year 0   0   3,787,000
Commercial Portfolio Segment [Member] | Non Owner Occupied Commercial Real Estate [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Gross nonaccrual loans         4,652,000
Financing Receivable, Nonaccrual, No Allowance         1,273,000
Financing Receivable, Nonaccrual, with Allowance         3,379,000
Financing Receivable, Originated in Current Fiscal Year 182,804,000   182,804,000   187,860,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 197,699,000   197,699,000   185,650,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 162,954,000   162,954,000   250,537,000
Financing Receivable, Originated Three Years before Latest Fiscal Year $ 243,707,000   $ 243,707,000   152,469,000
Financing Receivable, Modifications, Number of Contracts | contract 0 0 0 3  
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 0 $ 0 $ 0 $ 5,673,000  
Commercial Portfolio Segment [Member] | Non Owner Occupied Commercial Real Estate [Member] | Pass [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 182,804,000   182,804,000   187,860,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 189,307,000   189,307,000   185,650,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 162,954,000   162,954,000   244,863,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 240,088,000   240,088,000   149,090,000
Commercial Portfolio Segment [Member] | Non Owner Occupied Commercial Real Estate [Member] | Special Mention [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 0   0   0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 8,392,000   8,392,000   0
Financing Receivable, Originated Two Years before Latest Fiscal Year 0   0   5,674,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 3,619,000   3,619,000   0
Commercial Portfolio Segment [Member] | Non Owner Occupied Commercial Real Estate [Member] | Substandard [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 0   0   0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0   0   0
Financing Receivable, Originated Two Years before Latest Fiscal Year 0   0   0
Financing Receivable, Originated Three Years before Latest Fiscal Year 0   0   3,379,000
Residential Portfolio Segment [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Gross nonaccrual loans         47,000
Financing Receivable, Nonaccrual, No Allowance         0
Financing Receivable, Nonaccrual, with Allowance         47,000
Financing Receivable, Originated in Current Fiscal Year 94,144,000   94,144,000   85,089,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 140,093,000   140,093,000   27,090,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 24,191,000   24,191,000   23,295,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 17,030,000   17,030,000   5,672,000
Residential Portfolio Segment [Member] | Pass [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 94,144,000   94,144,000   85,089,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 140,093,000   140,093,000   27,090,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 24,191,000   24,191,000   23,295,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 17,030,000   17,030,000   5,672,000
Residential Portfolio Segment [Member] | Substandard [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 0   0   0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0   0   0
Financing Receivable, Originated Two Years before Latest Fiscal Year 0   0   0
Financing Receivable, Originated Three Years before Latest Fiscal Year 0   0   0
Real Estate Construction and Land Development          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 69,606,000   69,606,000   101,340,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 141,207,000   141,207,000   65,915,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 17,131,000   17,131,000   46,451,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 18,638,000   18,638,000   8,715,000
Real Estate Construction and Land Development | Pass [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 69,606,000   69,606,000   101,340,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 141,207,000   141,207,000   65,344,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 15,218,000   15,218,000   46,383,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 12,906,000   12,906,000   8,715,000
Real Estate Construction and Land Development | Special Mention [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 0   0   0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0   0   0
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,913,000   1,913,000   68,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 5,687,000   5,687,000   0
Real Estate Construction and Land Development | Substandard [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 0   0   0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0   0   571,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 0   0   0
Financing Receivable, Originated Three Years before Latest Fiscal Year 45,000   45,000   0
Real Estate Construction and Land Development | One-to-four Family Real Estate Construction | Pass [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 33,244,000   33,244,000   44,892,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 37,666,000   37,666,000   23,728,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 7,617,000   7,617,000   12,266,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 11,810,000   11,810,000   2,921,000
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 36,362,000   36,362,000   56,448,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 103,541,000   103,541,000   42,187,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 9,514,000   9,514,000   34,185,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 6,828,000   6,828,000   5,794,000
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties [Member] | Pass [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 36,362,000   36,362,000   56,448,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 103,541,000   103,541,000   41,616,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 7,601,000   7,601,000   34,117,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 1,096,000   1,096,000   5,794,000
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties [Member] | Special Mention [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 0   0   0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0   0   0
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,913,000   1,913,000   68,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 5,687,000   5,687,000   0
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties [Member] | Substandard [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 0   0   0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0   0   571,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 0   0   0
Financing Receivable, Originated Three Years before Latest Fiscal Year 45,000   45,000   0
Consumer Portfolio Segment [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Gross nonaccrual loans         29,000
Financing Receivable, Nonaccrual, No Allowance         0
Financing Receivable, Nonaccrual, with Allowance         29,000
Financing Receivable, Originated in Current Fiscal Year 3,266,000   3,266,000   1,286,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 616,000   616,000   15,918,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 11,242,000   11,242,000   46,698,000
Financing Receivable, Originated Three Years before Latest Fiscal Year $ 31,659,000   $ 31,659,000   30,295,000
Financing Receivable, Modifications, Number of Contracts | contract 2 5 9 22  
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 238,000 $ 94,000 $ 307,000 $ 487,000  
Consumer Portfolio Segment [Member] | Pass [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 3,266,000   3,266,000   1,286,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 616,000   616,000   15,737,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 11,078,000   11,078,000   46,041,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 31,077,000   31,077,000   29,819,000
Consumer Portfolio Segment [Member] | Substandard [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Originated in Current Fiscal Year 0   0   0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0   0   181,000
Financing Receivable, Originated Two Years before Latest Fiscal Year 164,000   164,000   657,000
Financing Receivable, Originated Three Years before Latest Fiscal Year 582,000   $ 582,000   $ 476,000
One-to-four Family Real Estate Construction          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Modifications, Number of Contracts | contract     0 1  
Financing Receivable, Troubled Debt Restructuring, Postmodification     $ 0 $ 180,000  
Nonaccrual [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Impaired Financing Receivable, Interest Income, Accrual Method 31,000 216,000 1,174,000 2,763,000  
Impaired Financing Receivable Interest Income Reversal Accrual Method 0 (1,000) (14,000) (11,000)  
Interest and Fee Income, Loans and Leases 0 0 0 0  
Nonaccrual [Member] | Commercial Portfolio Segment [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Impaired Financing Receivable, Interest Income, Accrual Method     1,087,000 2,658,000  
Impaired Financing Receivable Interest Income Reversal Accrual Method     (14,000) (11,000)  
Nonaccrual [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Impaired Financing Receivable, Interest Income, Accrual Method 31,000 184,000 260,000 2,228,000  
Impaired Financing Receivable Interest Income Reversal Accrual Method 0 (1,000) (14,000) (11,000)  
Nonaccrual [Member] | Commercial Portfolio Segment [Member] | Owner Occupied Commercial Real Estate [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Impaired Financing Receivable, Interest Income, Accrual Method     53,000 117,000  
Impaired Financing Receivable Interest Income Reversal Accrual Method     0 0  
Nonaccrual [Member] | Commercial Portfolio Segment [Member] | Non Owner Occupied Commercial Real Estate [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Impaired Financing Receivable, Interest Income, Accrual Method     774,000 313,000  
Impaired Financing Receivable Interest Income Reversal Accrual Method     0 0  
Nonaccrual [Member] | Residential Portfolio Segment [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Impaired Financing Receivable, Interest Income, Accrual Method     19,000 0  
Impaired Financing Receivable Interest Income Reversal Accrual Method     0 0  
Nonaccrual [Member] | Real Estate Construction and Land Development | One-to-four Family Real Estate Construction          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Impaired Financing Receivable, Interest Income, Accrual Method     0 73,000  
Impaired Financing Receivable Interest Income Reversal Accrual Method     0 0  
Nonaccrual [Member] | Consumer Portfolio Segment [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Impaired Financing Receivable, Interest Income, Accrual Method 0 32,000 68,000 32,000  
Impaired Financing Receivable Interest Income Reversal Accrual Method $ 0 $ 0 $ 0 $ 0  
Troubled Debt Restructured Loans [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Modifications, Number of Contracts | contract 7 13 18 65  
Troubled Debt Restructured Loans [Member] | Modified during the quarter [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Impaired Financing Receivable, Related Allowance $ 30,000 $ 3,400,000 $ 30,000 $ 3,400,000  
Troubled Debt Restructured Loans [Member] | Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Modifications, Number of Contracts | contract 1 1 1 1  
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 5,687,000 $ 450,000 $ 5,687,000 $ 450,000