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Loans and Allowance for Loan Losses, Impaired Financing Receivable (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, Recorded Investment | $ 58,144,000 | $ 83,146,000 | $ 58,979,000
Unpaid principal balance | 64,556,000 | 83,337,000 | 59,354,000
Related allowance | 3,281,000 | 3,964,000 | 2,198,000
Average balance of impaired loans | 76,919,000 | 75,257,000 | 40,830,000
Interest income recognized | 176,000 | 469,000 | 95,000
Impaired loans with an allowance |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, Recorded Investment | 35,758,000 | 44,794,000 | 24,921,000
Unpaid principal balance | 40,305,000 | 44,914,000 | 25,114,000
Related allowance | 3,281,000 | 3,964,000 | 2,198,000
Average balance of impaired loans | 44,458,000 | 34,615,000 | 17,191,000
Interest income recognized | 0 | 0 | 0
Impaired loans with an allowance | Commercial Real Estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, Recorded Investment | 9,998,000 | 14,114,000 | 1,850,000
Unpaid principal balance | 10,983,000 | 14,124,000 | 1,863,000
Related allowance | 1,235,000 | 724,000 | 95,000
Average balance of impaired loans | 13,750,000 | 10,260,000 | 650,000
Interest income recognized | 0 | 0 | 0
Impaired loans with an allowance | Consumer Real Estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, Recorded Investment | 20,996,000 | 19,864,000 | 8,028,000
Unpaid principal balance | 23,105,000 | 19,991,000 | 8,079,000
Related allowance | 1,293,000 | 1,443,000 | 410,000
Average balance of impaired loans | 20,909,000 | 13,154,000 | 4,990,000
Interest income recognized | 0 | 0 | 0
Impaired loans with an allowance | Construction and Land Development |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, Recorded Investment | 542,000 | 581,000 | 2,522,000
Unpaid principal balance | 654,000 | 579,000 | 2,528,000
Related allowance | 33,000 | 28,000 | 66,000
Average balance of impaired loans | 578,000 | 1,157,000 | 567,000
Interest income recognized | 0 | 0 | 0
Impaired loans with an allowance | Commercial and Industrial |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, Recorded Investment | 4,074,000 | 9,252,000 | 12,521,000
Unpaid principal balance | 5,381,000 | 9,215,000 | 12,644,000
Related allowance | 711,000 | 1,441,000 | 1,627,000
Average balance of impaired loans | 8,871,000 | 9,326,000 | 10,559,000
Interest income recognized | 0 | 0 | 0
Impaired loans with an allowance | Consumer and Other |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, Recorded Investment | 148,000 | 983,000 | 0
Unpaid principal balance | 182,000 | 1,005,000 | 0
Related allowance | 9,000 | 328,000 | 0
Average balance of impaired loans | 350,000 | 718,000 | 425,000
Interest income recognized | 0 | 0 | 0
Impaired loans without an allowance |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, Recorded Investment | 22,386,000 | 38,352,000 | 34,058,000
Unpaid principal balance | 24,251,000 | 38,423,000 | 34,240,000
Related allowance | 0 | 0 | 0
Average balance of impaired loans | 32,461,000 | 40,642,000 | 23,639,000
Interest income recognized | 176,000 | 469,000 | 95,000
Impaired loans without an allowance | Commercial Real Estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, Recorded Investment | 8,124,000 | 14,724,000 | 16,364,000
Unpaid principal balance | 8,891,000 | 14,739,000 | 16,514,000
Related allowance | 0 | 0 | 0
Average balance of impaired loans | 11,642,000 | 17,906,000 | 6,983,000
Interest income recognized | 176,000 | 469,000 | 0
Impaired loans without an allowance | Consumer Real Estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, Recorded Investment | 4,022,000 | 7,247,000 | 4,144,000
Unpaid principal balance | 4,021,000 | 7,271,000 | 4,174,000
Related allowance | 0 | 0 | 0
Average balance of impaired loans | 7,509,000 | 5,477,000 | 5,727,000
Interest income recognized | 0 | 0 | 0
Impaired loans without an allowance | Construction and Land Development |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, Recorded Investment | 19,000 | 1,786,000 | 2,645,000
Unpaid principal balance | 17,000 | 1,786,000 | 2,650,000
Related allowance | 0 | 0 | 0
Average balance of impaired loans | 365,000 | 1,463,000 | 1,890,000
Interest income recognized | 0 | 0 | 95,000
Impaired loans without an allowance | Commercial and Industrial |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, Recorded Investment | 10,221,000 | 14,595,000 | 10,905,000
Unpaid principal balance | 11,322,000 | 14,627,000 | 10,902,000
Related allowance | 0 | 0 | 0
Average balance of impaired loans | 12,945,000 | 15,796,000 | 9,039,000
Interest income recognized | 0 | 0 | 0
Impaired loans without an allowance | Consumer and Other |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, Recorded Investment | 0 | 0 | 0
Unpaid principal balance | 0 | 0 | 0
Related allowance | 0 | 0 | 0
Average balance of impaired loans | 0 | 0 | 0
Interest income recognized | $ 0 | $ 0 | $ 0

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