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Loans and Allowance for Loan Losses, Part II (Details) | 3 Months Ended | 9 Months Ended |
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Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($)
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | $ 6,819,000 |  | $ 6,819,000 |  | $ 3,478,000
Current | 1,799,926,000 |  | 1,799,926,000 |  | 1,278,411,000
Total Loans Receivable | 1,806,745,000 |  | 1,806,745,000 |  | 1,281,889,000
Total Loans 90 Days & Accruing | 299,000 |  | $ 299,000 |  | 0
Number of days past due when interest is not accrued |  |  | ninety days |  |
Period of satisfactory performance before returning to accrual status |  |  | not less than six months |  |
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 3,414,000 |  | $ 3,414,000 |  | 1,174,000
Unpaid Principal Balance | 3,425,000 |  | 3,425,000 |  | 1,174,000
Specific Allowance | 601,000 |  | 601,000 |  | 134,000
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 12,373,000 |  | 12,373,000 |  | 2,835,000
Unpaid Principal Balance | 13,067,000 |  | 13,067,000 |  | 4,016,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 15,787,000 |  | 15,787,000 |  | 4,009,000
Unpaid Principal Balance | 16,492,000 |  | 16,492,000 |  | 5,190,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 5,724,000 | $ 3,889,000 | 5,515,000 | $ 4,150,000 |
Interest income recognized | 5,000 | 7,000 | 13,000 | 23,000 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 9,636,000 |  | 9,636,000 |  | 3,412,000
Interest Lost on Nonaccrual Loans |  |  | 99,000 | $ 49,000 |
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 10,996,000 |  | 10,996,000 |  | 1,743,000
Financing Receivable Modifications Performing Recorded Investment | 6,151,000 |  | $ 6,151,000 |  | 601,000
Recorded Balance of Troubled Debt Restructurings [Abstract] |  |  |  |  |
Financing Receivables, Modifications during Period, Number |  |  | 10 | 12 |
Financing Receivables, Modifications during Period, Balance |  |  | $ 746,000 | $ 839,000 |
Subsequent Default, Number of Days Past Due |  |  | 90 days |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts |  |  | 1 |  |
Real Estate Acquired Through Foreclosure | 2,096,000 |  | $ 2,096,000 |  | 477,000
Mortgage Loans Secured By Real Estate In Foreclosure |  |  | 555,000 | 55,000 |
Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 1,749,187,000 |  | 1,749,187,000 |  | 1,240,217,000
Watch |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 27,583,000 |  | 27,583,000 |  | 19,373,000
Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 29,975,000 |  | 29,975,000 |  | 22,299,000
Doubtful |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 0 |  | 0 |  | 0
Construction and land development |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 0 |  | 0 |  | 0
Current | 49,019,000 |  | 49,019,000 |  | 39,209,000
Total Loans Receivable | 49,019,000 |  | 49,019,000 |  | 39,209,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 0 |  | 0 |  | 0
Unpaid Principal Balance | 0 |  | 0 |  | 0
Specific Allowance | 0 |  | 0 |  | 0
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 231,000 |  | 231,000 |  | 142,000
Unpaid Principal Balance | 231,000 |  | 231,000 |  | 707,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 231,000 |  | 231,000 |  | 142,000
Unpaid Principal Balance | 231,000 |  | 231,000 |  | 707,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 231,000 | 148,000 | 231,000 | 148,000 |
Interest income recognized | 0 | 0 | 0 | $ 0 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 231,000 |  | 231,000 |  | 142,000
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 231,000 |  | $ 231,000 |  | 142,000
Recorded Balance of Troubled Debt Restructurings [Abstract] |  |  |  |  |
Financing Receivables, Modifications during Period, Number |  |  | 1 | 0 |
Financing Receivables, Modifications during Period, Balance |  |  | $ 231,000 | $ 0 |
Construction and land development | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 48,788,000 |  | 48,788,000 |  | 39,067,000
Construction and land development | Watch |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 0 |  | 0 |  | 0
Construction and land development | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 231,000 |  | 231,000 |  | 142,000
Construction and land development | Doubtful |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 0 |  | 0 |  | 0
Agricultural real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 758,000 |  | 758,000 |  | 106,000
Current | 128,071,000 |  | 128,071,000 |  | 122,368,000
Total Loans Receivable | 128,829,000 |  | 128,829,000 |  | 122,474,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 430,000 |  | 430,000 |  | 430,000
Unpaid Principal Balance | 430,000 |  | 430,000 |  | 430,000
Specific Allowance | 0 |  | 0 |  | 0
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 44,000 |  | 44,000 |  | 24,000
Unpaid Principal Balance | 47,000 |  | 47,000 |  | 28,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 474,000 |  | 474,000 |  | 454,000
Unpaid Principal Balance | 477,000 |  | 477,000 |  | 458,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 474,000 | 25,000 | 476,000 | 92,000 |
Interest income recognized | 0 | 0 | 0 | 2,000 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 474,000 |  | 474,000 |  | 454,000
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 232,000 |  | 232,000 |  | 232,000
Agricultural real estate | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 121,170,000 |  | 121,170,000 |  | 118,103,000
Agricultural real estate | Watch |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 5,248,000 |  | 5,248,000 |  | 2,282,000
Agricultural real estate | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 2,411,000 |  | 2,411,000 |  | 2,089,000
Agricultural real estate | Doubtful |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 0 |  | 0 |  | 0
1-4 Family residential properties |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 2,997,000 |  | 2,997,000 |  | 1,955,000
Current | 338,903,000 |  | 338,903,000 |  | 229,616,000
Total Loans Receivable | 341,900,000 |  | 341,900,000 |  | 231,571,000
Total Loans 90 Days & Accruing | 299,000 |  | 299,000 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 471,000 |  | 471,000 |  | 0
Unpaid Principal Balance | 471,000 |  | 471,000 |  | 0
Specific Allowance | 0 |  | 0 |  | 0
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 3,275,000 |  | 3,275,000 |  | 1,373,000
Unpaid Principal Balance | 3,606,000 |  | 3,606,000 |  | 1,688,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 3,746,000 |  | 3,746,000 |  | 1,373,000
Unpaid Principal Balance | 4,077,000 |  | 4,077,000 |  | 1,688,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 1,572,000 | 1,160,000 | 1,344,000 | 1,197,000 |
Interest income recognized | 3,000 | 2,000 | 10,000 | 11,000 |
Loans Receivable, Modifications, Still Accruing Interest | 514,000 | 339,000 | 514,000 | $ 339,000 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 3,232,000 |  | 3,232,000 |  | 975,000
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 1,982,000 |  | 1,982,000 |  | 515,000
Financing Receivable Modifications Performing Recorded Investment | 514,000 |  | $ 514,000 |  | 397,000
Recorded Balance of Troubled Debt Restructurings [Abstract] |  |  |  |  |
Financing Receivables, Modifications during Period, Number |  |  | 1 | 4 |
Financing Receivables, Modifications during Period, Balance |  |  | $ 47,000 | $ 61,000 |
1-4 Family residential properties | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 334,422,000 |  | 334,422,000 |  | 224,552,000
1-4 Family residential properties | Watch |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 1,178,000 |  | 1,178,000 |  | 1,454,000
1-4 Family residential properties | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 6,300,000 |  | 6,300,000 |  | 5,565,000
1-4 Family residential properties | Doubtful |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 0 |  | 0 |  | 0
Multifamily residential properties |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 240,000 |  | 240,000 |  | 0
Current | 83,457,000 |  | 83,457,000 |  | 45,740,000
Total Loans Receivable | 83,697,000 |  | 83,697,000 |  | 45,740,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 535,000 |  | 535,000 |  | 316,000
Unpaid Principal Balance | 535,000 |  | 535,000 |  | 316,000
Specific Allowance | 0 |  | 0 |  | 0
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 3,430,000 |  | 3,430,000 |  | 1,000
Unpaid Principal Balance | 3,430,000 |  | 3,430,000 |  | 1,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 3,965,000 |  | 3,965,000 |  | 317,000
Unpaid Principal Balance | 3,965,000 |  | 3,965,000 |  | 317,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 535,000 | 326,000 | 539,000 | 328,000 |
Interest income recognized | 0 | 0 | 0 | 0 |
Loans Receivable, Modifications, Still Accruing Interest | 3,430,000 |  | 3,430,000 |  |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 535,000 |  | 535,000 |  | 317,000
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 3,430,000 |  | 3,430,000 |  | 0
Financing Receivable Modifications Performing Recorded Investment | 3,430,000 |  | 3,430,000 |  | 0
Multifamily residential properties | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 81,490,000 |  | 81,490,000 |  | 45,180,000
Multifamily residential properties | Watch |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 1,668,000 |  | 1,668,000 |  | 243,000
Multifamily residential properties | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 539,000 |  | 539,000 |  | 317,000
Multifamily residential properties | Doubtful |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 0 |  | 0 |  | 0
Commercial real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 1,825,000 |  | 1,825,000 |  | 349,000
Current | 634,861,000 |  | 634,861,000 |  | 408,823,000
Total Loans Receivable | 636,686,000 |  | 636,686,000 |  | 409,172,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 841,000 |  | 841,000 |  | 0
Unpaid Principal Balance | 841,000 |  | 841,000 |  | 0
Specific Allowance | 203,000 |  | 203,000 |  | 0
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 4,460,000 |  | 4,460,000 |  | 304,000
Unpaid Principal Balance | 4,543,000 |  | 4,543,000 |  | 325,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 5,301,000 |  | 5,301,000 |  | 304,000
Unpaid Principal Balance | 5,384,000 |  | 5,384,000 |  | 325,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 1,097,000 | 777,000 | 1,064,000 | 784,000 |
Interest income recognized | 1,000 | 1,000 | 2,000 | 2,000 |
Loans Receivable, Modifications, Still Accruing Interest | 2,152,000 | 36,000 | 2,152,000 | $ 36,000 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 3,149,000 |  | 3,149,000 |  | 269,000
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 4,207,000 |  | 4,207,000 |  | 124,000
Financing Receivable Modifications Performing Recorded Investment | 2,152,000 |  | $ 2,152,000 |  | 36,000
Recorded Balance of Troubled Debt Restructurings [Abstract] |  |  |  |  |
Financing Receivables, Modifications during Period, Number |  |  | 1 | 1 |
Financing Receivables, Modifications during Period, Balance |  |  | $ 43,000 | $ 34,000 |
Commercial real estate | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 615,977,000 |  | 615,977,000 |  | 386,769,000
Commercial real estate | Watch |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 3,500,000 |  | 3,500,000 |  | 10,498,000
Commercial real estate | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 17,209,000 |  | 17,209,000 |  | 11,905,000
Commercial real estate | Doubtful |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 0 |  | 0 |  | 0
Agricultural loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 168,000 |  | 168,000 |  | 139,000
Current | 81,246,000 |  | 81,246,000 |  | 75,747,000
Total Loans Receivable | 81,414,000 |  | 81,414,000 |  | 75,886,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 740,000 |  | 740,000 |  | 0
Unpaid Principal Balance | 740,000 |  | 740,000 |  | 0
Specific Allowance | 329,000 |  | 329,000 |  | 0
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 15,000 |  | 15,000 |  | 79,000
Unpaid Principal Balance | 44,000 |  | 44,000 |  | 79,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 755,000 |  | 755,000 |  | 79,000
Unpaid Principal Balance | 784,000 |  | 784,000 |  | 79,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 755,000 | 0 | 696,000 | 0 |
Interest income recognized | 0 | 0 | 0 | 0 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 755,000 |  | 755,000 |  | 79,000
Agricultural loans | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 76,605,000 |  | 76,605,000 |  | 75,437,000
Agricultural loans | Watch |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 3,937,000 |  | 3,937,000 |  | 210,000
Agricultural loans | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 872,000 |  | 872,000 |  | 239,000
Agricultural loans | Doubtful |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 0 |  | 0 |  | 0
Commercial and industrial loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 689,000 |  | 689,000 |  | 737,000
Current | 371,111,000 |  | 371,111,000 |  | 304,323,000
Total Loans Receivable | 371,800,000 |  | 371,800,000 |  | 305,060,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 377,000 |  | 377,000 |  | 405,000
Unpaid Principal Balance | 388,000 |  | 388,000 |  | 405,000
Specific Allowance | 69,000 |  | 69,000 |  | 134,000
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 510,000 |  | 510,000 |  | 670,000
Unpaid Principal Balance | 740,000 |  | 740,000 |  | 932,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 887,000 |  | 887,000 |  | 1,075,000
Unpaid Principal Balance | 1,128,000 |  | 1,128,000 |  | 1,337,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 744,000 | 1,157,000 | 777,000 | 1,293,000 |
Interest income recognized | 1,000 | 3,000 | 1,000 | 6,000 |
Loans Receivable, Modifications, Still Accruing Interest | 46,000 | 149,000 | 46,000 | $ 149,000 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 841,000 |  | 841,000 |  | 928,000
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 575,000 |  | 575,000 |  | 491,000
Financing Receivable Modifications Performing Recorded Investment | 46,000 |  | $ 46,000 |  | 147,000
Recorded Balance of Troubled Debt Restructurings [Abstract] |  |  |  |  |
Financing Receivables, Modifications during Period, Number |  |  | 6 | 4 |
Financing Receivables, Modifications during Period, Balance |  |  | $ 405,000 | $ 507,000 |
Commercial and industrial loans | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 360,601,000 |  | 360,601,000 |  | 298,633,000
Commercial and industrial loans | Watch |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 9,179,000 |  | 9,179,000 |  | 4,686,000
Commercial and industrial loans | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 2,020,000 |  | 2,020,000 |  | 1,741,000
Commercial and industrial loans | Doubtful |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 0 |  | 0 |  | 0
Consumer loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 142,000 |  | 142,000 |  | 192,000
Current | 40,739,000 |  | 40,739,000 |  | 41,387,000
Total Loans Receivable | 40,881,000 |  | 40,881,000 |  | 41,579,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 20,000 |  | 20,000 |  | 23,000
Unpaid Principal Balance | 20,000 |  | 20,000 |  | 23,000
Specific Allowance | 0 |  | 0 |  | 0
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 408,000 |  | 408,000 |  | 242,000
Unpaid Principal Balance | 426,000 |  | 426,000 |  | 256,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 428,000 |  | 428,000 |  | 265,000
Unpaid Principal Balance | 446,000 |  | 446,000 |  | 279,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 306,000 | 296,000 | 388,000 | 308,000 |
Interest income recognized | 0 | 1,000 | 0 | 2,000 |
Loans Receivable, Modifications, Still Accruing Interest | 9,000 | 20,000 | 9,000 | $ 20,000 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 419,000 |  | 419,000 |  | 248,000
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 339,000 |  | 339,000 |  | 239,000
Financing Receivable Modifications Performing Recorded Investment | 9,000 |  | $ 9,000 |  | 21,000
Recorded Balance of Troubled Debt Restructurings [Abstract] |  |  |  |  |
Financing Receivables, Modifications during Period, Number |  |  | 1 | 3 |
Financing Receivables, Modifications during Period, Balance |  |  | $ 20,000 | $ 237,000 |
Consumer loans | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 40,470,000 |  | 40,470,000 |  | 41,278,000
Consumer loans | Watch |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 18,000 |  | 18,000 |  | 0
Consumer loans | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 393,000 |  | 393,000 |  | 301,000
Consumer loans | Doubtful |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 0 |  | 0 |  | 0
All other loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 0 |  | 0 |  | 0
Current | 72,519,000 |  | 72,519,000 |  | 11,198,000
Total Loans Receivable | 72,519,000 |  | 72,519,000 |  | 11,198,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 0 |  | 0 |  | 0
Unpaid Principal Balance | 0 |  | 0 |  | 0
Specific Allowance | 0 |  | 0 |  | 0
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 0 |  | 0 |  | 0
Unpaid Principal Balance | 0 |  | 0 |  | 0
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 0 |  | 0 |  | 0
Unpaid Principal Balance | 0 |  | 0 |  | 0
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 10,000 | 0 |  |  |
Interest income recognized | 0 | 0 |  |  |
All other loans | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 69,664,000 |  | 69,664,000 |  | 11,198,000
All other loans | Watch |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 2,855,000 |  | 2,855,000 |  | 0
All other loans | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 0 |  | 0 |  | 0
All other loans | Doubtful |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 0 |  | 0 |  | 0
Loans secured by real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 5,820,000 |  | 5,820,000 |  | 2,410,000
Current | 1,234,311,000 |  | 1,234,311,000 |  | 845,756,000
Total Loans Receivable | 1,240,131,000 |  | 1,240,131,000 |  | 848,166,000
Total Loans 90 Days & Accruing | 299,000 |  | 299,000 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 2,277,000 |  | 2,277,000 |  | 746,000
Unpaid Principal Balance | 2,277,000 |  | 2,277,000 |  | 746,000
Specific Allowance | 203,000 |  | 203,000 |  | 0
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 11,440,000 |  | 11,440,000 |  | 1,844,000
Unpaid Principal Balance | 11,857,000 |  | 11,857,000 |  | 2,749,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 13,717,000 |  | 13,717,000 |  | 2,590,000
Unpaid Principal Balance | 14,134,000 |  | 14,134,000 |  | 3,495,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 3,909,000 | 2,436,000 | 3,654,000 | 2,549,000 |
Interest income recognized | 4,000 | $ 3,000 | 12,000 | $ 15,000 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 7,621,000 |  | 7,621,000 |  | 2,157,000
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 10,082,000 |  | 10,082,000 |  | 1,013,000
Financing Receivable Modifications Performing Recorded Investment | 6,096,000 |  | $ 6,096,000 |  | 433,000
Recorded Balance of Troubled Debt Restructurings [Abstract] |  |  |  |  |
Financing Receivables, Modifications during Period, Number |  |  | 3 | 5 |
Financing Receivables, Modifications during Period, Balance |  |  | $ 321,000 | $ 95,000 |
Financing Receivables, 30 to 59 Days Past Due [Member] |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 1,974,000 |  | 1,974,000 |  | 1,683,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Construction and land development |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 0 |  | 0 |  | 0
Financing Receivables, 30 to 59 Days Past Due [Member] | Agricultural real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 35,000 |  | 35,000 |  | 106,000
Financing Receivables, 30 to 59 Days Past Due [Member] | 1-4 Family residential properties |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 877,000 |  | 877,000 |  | 1,059,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Multifamily residential properties |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 0 |  | 0 |  | 0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 461,000 |  | 461,000 |  | 251,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Agricultural loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 131,000 |  | 131,000 |  | 65,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial and industrial loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 355,000 |  | 355,000 |  | 65,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 115,000 |  | 115,000 |  | 137,000
Financing Receivables, 30 to 59 Days Past Due [Member] | All other loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 0 |  | 0 |  | 0
Financing Receivables, 30 to 59 Days Past Due [Member] | Loans secured by real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 1,373,000 |  | 1,373,000 |  | 1,416,000
Financing Receivables, 60 to 89 Days Past Due [Member] |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 1,974,000 |  | 1,974,000 |  | 1,401,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Construction and land development |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 0 |  | 0 |  | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | Agricultural real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 188,000 |  | 188,000 |  | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | 1-4 Family residential properties |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 937,000 |  | 937,000 |  | 742,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Multifamily residential properties |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 0 |  | 0 |  | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 787,000 |  | 787,000 |  | 67,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Agricultural loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 36,000 |  | 36,000 |  | 74,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial and industrial loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 0 |  | 0 |  | 476,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 26,000 |  | 26,000 |  | 42,000
Financing Receivables, 60 to 89 Days Past Due [Member] | All other loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 0 |  | 0 |  | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | Loans secured by real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 1,912,000 |  | 1,912,000 |  | 809,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 2,871,000 |  | 2,871,000 |  | 394,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Construction and land development |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 0 |  | 0 |  | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Agricultural real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 535,000 |  | 535,000 |  | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | 1-4 Family residential properties |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 1,183,000 |  | 1,183,000 |  | 154,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Multifamily residential properties |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 240,000 |  | 240,000 |  | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 577,000 |  | 577,000 |  | 31,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Agricultural loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 1,000 |  | 1,000 |  | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial and industrial loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 334,000 |  | 334,000 |  | 196,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Consumer loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 1,000 |  | 1,000 |  | 13,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | All other loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 0 |  | 0 |  | 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans secured by real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | $ 2,535,000 |  | $ 2,535,000 |  | $ 185,000

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