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v3.19.2

Loans and Allowance for Loan Losses, Part II (Details) | 3 Months Ended | 6 Months Ended | 12 Months Ended
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Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Dec. 31, 2018 USD ($)
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | $ 30,274,000 |  | $ 30,274,000 |  | $ 28,037,000
Current | 2,516,269,000 |  | 2,516,269,000 |  | 2,616,482,000
Total Loans Receivable | 2,546,543,000 | $ 2,376,683,000 | 2,546,543,000 | $ 2,376,683,000 | 2,644,519,000
Total Loans 90 Days & Accruing | 0 |  | $ 0 |  | 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 | 23,698,000 |  | $ 23,698,000 |  | 32,603,000
Unpaid Principal Balance | 25,058,000 |  | 25,058,000 |  | 34,178,000
Specific Allowance | 2,277,000 |  | 2,277,000 |  | 3,279,000
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 7,907,000 |  | 7,907,000 |  | 15,385,000
Unpaid Principal Balance | 9,160,000 |  | 9,160,000 |  | 17,126,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 31,605,000 |  | 31,605,000 |  | 47,988,000
Unpaid Principal Balance | 34,218,000 |  | 34,218,000 |  | 51,304,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 41,558,000 | 25,105,000 | 42,823,000 | 25,361,000 |
Interest income recognized | 150,000 | 25,000 | 291,000 | 36,000 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 22,994,000 |  | 22,994,000 |  | 27,298,000
Interest Lost on Nonaccrual Loans |  |  | 1,335,000 | $ 758,000 |
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 7,595,000 |  | 7,595,000 |  | 9,956,000
Financing Receivable Modifications Performing Recorded Investment | 2,779,000 |  | $ 2,779,000 |  | 2,451,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts |  |  | 1 |  |
Recorded Balance of Troubled Debt Restructurings [Abstract] |  |  |  |  |
Financing Receivables, Modifications during Period, Number |  |  | 8 | 1 |
Financing Receivables, Modifications during Period, Balance |  |  | $ 1,720,000 | $ 161,000 |
Subsequent Default, Number of Days Past Due |  |  | 90 days |  |
Loans Receivable, Modifications, Allowance | 834,000 |  | $ 834,000 |  | 1,418,000
Real Estate Acquired Through Foreclosure | 3,569,000 |  | 3,569,000 |  | 2,534,000
Mortgage Loans Secured By Real Estate In Foreclosure |  |  | 2,063,000 |  | 425,000
Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 2,426,202,000 |  | 2,426,202,000 |  | 2,511,889,000
Special Mention |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 50,711,000 |  | 50,711,000 |  | 58,716,000
Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 69,630,000 |  | 69,630,000 |  | 73,914,000
Doubtful |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 0 |  | 0 |  | 0
Construction and land development |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 482,000 |  | 482,000 |  | 503,000
Current | 56,587,000 |  | 56,587,000 |  | 50,116,000
Total Loans Receivable | 57,069,000 |  | 57,069,000 |  | 50,619,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 270,000 |  | 270,000 |  | 2,559,000
Unpaid Principal Balance | 270,000 |  | 270,000 |  | 2,559,000
Specific Allowance | 0 |  | 0 |  | 14,000
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 46,000 |  | 46,000 |  | 48,000
Unpaid Principal Balance | 46,000 |  | 46,000 |  | 48,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 316,000 |  | 316,000 |  | 2,607,000
Unpaid Principal Balance | 316,000 |  | 316,000 |  | 2,607,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 629,000 | 44,000 | 632,000 | 44,000 |
Interest income recognized | 8,000 | 0 | 16,000 | 0 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 46,000 |  | 46,000 |  | 377,000
Construction and land development | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 56,274,000 |  | 56,274,000 |  | 49,794,000
Construction and land development | Special Mention |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 459,000 |  | 459,000 |  | 471,000
Construction and land development | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 336,000 |  | 336,000 |  | 354,000
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 | 252,000 |  | 252,000 |  | 804,000
Current | 229,672,000 |  | 229,672,000 |  | 230,896,000
Total Loans Receivable | 229,924,000 |  | 229,924,000 |  | 231,700,000
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 | 291,000 |  | 291,000 |  | 309,000
Unpaid Principal Balance | 291,000 |  | 291,000 |  | 309,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 291,000 |  | 291,000 |  | 309,000
Unpaid Principal Balance | 291,000 |  | 291,000 |  | 309,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 956,000 | 235,000 | 957,000 | 235,000 |
Interest income recognized | 0 | 0 | 0 | 0 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 291,000 |  | 291,000 |  | 309,000
Agricultural real estate | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 217,643,000 |  | 217,643,000 |  | 221,047,000
Agricultural real estate | Special Mention |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 10,481,000 |  | 10,481,000 |  | 7,805,000
Agricultural real estate | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 1,800,000 |  | 1,800,000 |  | 2,848,000
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 | 11,235,000 |  | 11,235,000 |  | 10,478,000
Current | 343,908,000 |  | 343,908,000 |  | 363,040,000
Total Loans Receivable | 355,143,000 |  | 355,143,000 |  | 373,518,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 4,990,000 |  | 4,990,000 |  | 4,565,000
Unpaid Principal Balance | 5,061,000 |  | 5,061,000 |  | 4,952,000
Specific Allowance | 511,000 |  | 511,000 |  | 234,000
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 3,893,000 |  | 3,893,000 |  | 3,680,000
Unpaid Principal Balance | 4,108,000 |  | 4,108,000 |  | 4,769,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 8,883,000 |  | 8,883,000 |  | 8,245,000
Unpaid Principal Balance | 9,169,000 |  | 9,169,000 |  | 9,721,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 9,543,000 | 6,719,000 | 9,973,000 | 6,777,000 |
Interest income recognized | 26,000 | 22,000 | 51,000 | 28,000 |
Loans Receivable, Modifications, Still Accruing Interest | 1,595,000 | 2,396,000 | 1,595,000 | $ 2,396,000 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 7,150,000 |  | 7,150,000 |  | 5,762,000
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 2,207,000 |  | 2,207,000 |  | 2,472,000
Financing Receivable Modifications Performing Recorded Investment | 1,595,000 |  | $ 1,595,000 |  | 1,769,000
Recorded Balance of Troubled Debt Restructurings [Abstract] |  |  |  |  |
Financing Receivables, Modifications during Period, Number |  |  | 1 | 1 |
Financing Receivables, Modifications during Period, Balance |  |  | $ 46,000 | $ 161,000 |
1-4 Family residential properties | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 334,059,000 |  | 334,059,000 |  | 352,583,000
1-4 Family residential properties | Special Mention |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 5,518,000 |  | 5,518,000 |  | 5,526,000
1-4 Family residential properties | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 15,566,000 |  | 15,566,000 |  | 15,409,000
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 | 5,352,000 |  | 5,352,000 |  | 3,104,000
Current | 162,357,000 |  | 162,357,000 |  | 180,947,000
Total Loans Receivable | 167,709,000 |  | 167,709,000 |  | 184,051,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 2,567,000 |  | 2,567,000 |  | 4,465,000
Unpaid Principal Balance | 2,567,000 |  | 2,567,000 |  | 4,465,000
Specific Allowance | 0 |  | 0 |  | 0
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 130,000 |  | 130,000 |  | 7,597,000
Unpaid Principal Balance | 130,000 |  | 130,000 |  | 7,597,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 2,697,000 |  | 2,697,000 |  | 12,062,000
Unpaid Principal Balance | 2,697,000 |  | 2,697,000 |  | 12,062,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 4,522,000 | 301,000 | 4,804,000 | 302,000 |
Interest income recognized | 32,000 | 0 | 61,000 | 0 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 1,574,000 |  | 1,574,000 |  | 2,105,000
Multifamily residential properties | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 150,014,000 |  | 150,014,000 |  | 163,845,000
Multifamily residential properties | Special Mention |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 7,792,000 |  | 7,792,000 |  | 8,144,000
Multifamily residential properties | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 9,903,000 |  | 9,903,000 |  | 12,062,000
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 | 6,627,000 |  | 6,627,000 |  | 5,496,000
Current | 882,084,000 |  | 882,084,000 |  | 901,354,000
Total Loans Receivable | 888,711,000 |  | 888,711,000 |  | 906,850,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 9,687,000 |  | 9,687,000 |  | 12,517,000
Unpaid Principal Balance | 10,070,000 |  | 10,070,000 |  | 12,804,000
Specific Allowance | 1,180,000 |  | 1,180,000 |  | 1,553,000
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 1,538,000 |  | 1,538,000 |  | 983,000
Unpaid Principal Balance | 1,394,000 |  | 1,394,000 |  | 1,201,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 11,225,000 |  | 11,225,000 |  | 13,500,000
Unpaid Principal Balance | 11,464,000 |  | 11,464,000 |  | 14,005,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 14,414,000 | 8,675,000 | 14,844,000 | 8,680,000 |
Interest income recognized | 82,000 | 3,000 | 160,000 | $ 6,000 |
Loans Receivable, Modifications, Still Accruing Interest | 1,050,000 |  | 1,050,000 |  |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 5,876,000 |  | 5,876,000 |  | 8,457,000
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 2,505,000 |  | 2,505,000 |  | 1,706,000
Financing Receivable Modifications Performing Recorded Investment | 1,050,000 |  | $ 1,050,000 |  | 676,000
Recorded Balance of Troubled Debt Restructurings [Abstract] |  |  |  |  |
Financing Receivables, Modifications during Period, Number |  |  | 3 | 0 |
Financing Receivables, Modifications during Period, Balance |  |  | $ 1,533,000 | $ 0 |
Commercial real estate | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 849,840,000 |  | 849,840,000 |  | 861,086,000
Commercial real estate | Special Mention |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 12,665,000 |  | 12,665,000 |  | 16,035,000
Commercial real estate | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 26,206,000 |  | 26,206,000 |  | 29,729,000
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 | 973,000 |  | 973,000 |  | 83,000
Current | 117,243,000 |  | 117,243,000 |  | 135,794,000
Total Loans Receivable | 118,216,000 |  | 118,216,000 |  | 135,877,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 104,000 |  | 104,000 |  | 36,000
Unpaid Principal Balance | 688,000 |  | 688,000 |  | 504,000
Specific Allowance | 0 |  | 0 |  | 0
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 734,000 |  | 734,000 |  | 631,000
Unpaid Principal Balance | 150,000 |  | 150,000 |  | 163,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 838,000 |  | 838,000 |  | 667,000
Unpaid Principal Balance | 838,000 |  | 838,000 |  | 667,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 823,000 | 1,109,000 | 773,000 | 1,061,000 |
Interest income recognized | 1,000 | 0 | 1,000 | 0 |
Loans Receivable, Modifications, Still Accruing Interest | 59,000 | 0 | 59,000 | $ 0 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 778,000 |  | 778,000 |  | 667,000
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 688,000 |  | $ 688,000 |  | 499,000
Recorded Balance of Troubled Debt Restructurings [Abstract] |  |  |  |  |
Financing Receivables, Modifications during Period, Number |  |  | 1 | 0 |
Financing Receivables, Modifications during Period, Balance |  |  | $ 59,000 | $ 0 |
Agricultural loans | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 108,270,000 |  | 108,270,000 |  | 127,863,000
Agricultural loans | Special Mention |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 4,964,000 |  | 4,964,000 |  | 7,581,000
Agricultural loans | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 4,982,000 |  | 4,982,000 |  | 433,000
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 | 4,275,000 |  | 4,275,000 |  | 5,329,000
Current | 526,130,000 |  | 526,130,000 |  | 551,682,000
Total Loans Receivable | 530,405,000 |  | 530,405,000 |  | 557,011,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 5,914,000 |  | 5,914,000 |  | 8,292,000
Unpaid Principal Balance | 6,236,000 |  | 6,236,000 |  | 8,723,000
Specific Allowance | 584,000 |  | 584,000 |  | 1,475,000
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 741,000 |  | 741,000 |  | 1,660,000
Unpaid Principal Balance | 2,310,000 |  | 2,310,000 |  | 2,027,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 6,655,000 |  | 6,655,000 |  | 9,952,000
Unpaid Principal Balance | 8,546,000 |  | 8,546,000 |  | 10,750,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 9,929,000 | 7,672,000 | 10,059,000 | 7,892,000 |
Interest income recognized | 1,000 | 0 | 2,000 | $ 2,000 |
Loans Receivable, Modifications, Still Accruing Interest | 70,000 |  | 70,000 |  |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 6,584,000 |  | 6,584,000 |  | 8,990,000
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 2,029,000 |  | 2,029,000 |  | 5,112,000
Financing Receivable Modifications Performing Recorded Investment | 70,000 |  | $ 70,000 |  | 0
Recorded Balance of Troubled Debt Restructurings [Abstract] |  |  |  |  |
Financing Receivables, Modifications during Period, Number |  |  | 2 |  |
Financing Receivables, Modifications during Period, Balance |  |  | $ 70,000 |  |
Commercial and industrial loans | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 514,790,000 |  | 514,790,000 |  | 535,186,000
Commercial and industrial loans | Special Mention |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 6,055,000 |  | 6,055,000 |  | 9,967,000
Commercial and industrial loans | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 9,560,000 |  | 9,560,000 |  | 11,858,000
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 | 1,078,000 |  | 1,078,000 |  | 1,543,000
Current | 83,829,000 |  | 83,829,000 |  | 89,973,000
Total Loans Receivable | 84,907,000 | 73,932,000 | 84,907,000 | 73,932,000 | 91,516,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 166,000 |  | 166,000 |  | 169,000
Unpaid Principal Balance | 166,000 |  | 166,000 |  | 171,000
Specific Allowance | 2,000 |  | 2,000 |  | 3,000
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 534,000 |  | 534,000 |  | 471,000
Unpaid Principal Balance | 731,000 |  | 731,000 |  | 1,006,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 700,000 |  | 700,000 |  | 640,000
Unpaid Principal Balance | 897,000 |  | 897,000 |  | 1,177,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 742,000 | 329,000 | 781,000 | 349,000 |
Interest income recognized | 0 | 0 | 0 | 0 |
Loans Receivable, Modifications, Still Accruing Interest | 5,000 | 683,000 | 5,000 | $ 683,000 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 695,000 |  | 695,000 |  | 625,000
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 166,000 |  | 166,000 |  | 167,000
Financing Receivable Modifications Performing Recorded Investment | 5,000 |  | $ 5,000 |  | 6,000
Recorded Balance of Troubled Debt Restructurings [Abstract] |  |  |  |  |
Financing Receivables, Modifications during Period, Number |  |  | 1 | 0 |
Financing Receivables, Modifications during Period, Balance |  |  | $ 12,000 | $ 0 |
Consumer loans | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 83,485,000 |  | 83,485,000 |  | 90,133,000
Consumer loans | Special Mention |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 145,000 |  | 145,000 |  | 177,000
Consumer loans | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 1,277,000 |  | 1,277,000 |  | 1,206,000
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 |  | 697,000
Current | 114,459,000 |  | 114,459,000 |  | 112,680,000
Total Loans Receivable | 114,459,000 |  | 114,459,000 |  | 113,377,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Specific Allowance | 0 |  | 0 |  | 0
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 0 |  | 0 |  | 6,000
Unpaid Principal Balance | 0 |  | 0 |  | 6,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 0 |  | 0 |  | 6,000
Unpaid Principal Balance | 0 |  | 0 |  | 6,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 0 | 21,000 | 0 | 21,000 |
Interest income recognized | 0 | 0 | 0 | 0 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 0 |  | 0 |  | 6,000
All other loans | Pass |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 111,827,000 |  | 111,827,000 |  | 110,352,000
All other loans | Special Mention |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 2,632,000 |  | 2,632,000 |  | 3,010,000
All other loans | Substandard |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Loans Receivable | 0 |  | 0 |  | 15,000
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 | 23,948,000 |  | 23,948,000 |  | 20,385,000
Current | 1,674,608,000 |  | 1,674,608,000 |  | 1,726,353,000
Total Loans Receivable | 1,698,556,000 |  | 1,698,556,000 |  | 1,746,738,000
Total Loans 90 Days & Accruing | 0 |  | 0 |  | 0
Loans with a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 17,514,000 |  | 17,514,000 |  | 24,106,000
Unpaid Principal Balance | 17,968,000 |  | 17,968,000 |  | 24,780,000
Specific Allowance | 1,691,000 |  | 1,691,000 |  | 1,801,000
Loans without a specific allowance [Abstract] |  |  |  |  |
Recorded Balance | 5,898,000 |  | 5,898,000 |  | 12,617,000
Unpaid Principal Balance | 5,969,000 |  | 5,969,000 |  | 13,924,000
Total Loans [Abstract] |  |  |  |  |
Recorded Balance | 23,412,000 |  | 23,412,000 |  | 36,723,000
Unpaid Principal Balance | 23,937,000 |  | 23,937,000 |  | 38,704,000
Average recorded investment and interest income recognized [Abstract] |  |  |  |  |
Average investment in impaired loans | 30,064,000 | 15,974,000 | 31,210,000 | 16,038,000 |
Interest income recognized | 148,000 | $ 25,000 | 288,000 | $ 34,000 |
Balances of Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded balance of nonaccrual loans | 14,937,000 |  | 14,937,000 |  | 17,010,000
Troubled Debt Restructuring [Abstract] |  |  |  |  |
Troubled Debt Restructurings Balance | 4,712,000 |  | 4,712,000 |  | 4,178,000
Financing Receivable Modifications Performing Recorded Investment | 2,645,000 |  | $ 2,645,000 |  | 2,445,000
Recorded Balance of Troubled Debt Restructurings [Abstract] |  |  |  |  |
Financing Receivables, Modifications during Period, Number |  |  | 4 | 1 |
Financing Receivables, Modifications during Period, Balance |  |  | $ 1,579,000 | $ 161,000 |
Financing Receivables, 30 to 59 Days Past Due [Member] |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 13,032,000 |  | 13,032,000 |  | 9,370,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Construction and land development |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 482,000 |  | 482,000 |  | 460,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Agricultural real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 0 |  | 0 |  | 0
Financing Receivables, 30 to 59 Days Past Due [Member] | 1-4 Family residential properties |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 4,916,000 |  | 4,916,000 |  | 3,347,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Multifamily residential properties |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 3,604,000 |  | 3,604,000 |  | 1,149,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 2,021,000 |  | 2,021,000 |  | 1,349,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Agricultural loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 903,000 |  | 903,000 |  | 63,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial and industrial loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 522,000 |  | 522,000 |  | 1,417,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 584,000 |  | 584,000 |  | 888,000
Financing Receivables, 30 to 59 Days Past Due [Member] | All other loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 0 |  | 0 |  | 697,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Loans secured by real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 11,023,000 |  | 11,023,000 |  | 6,305,000
Financing Receivables, 60 to 89 Days Past Due [Member] |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 2,951,000 |  | 2,951,000 |  | 4,353,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Construction and land development |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 0 |  | 0 |  | 43,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Agricultural real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 205,000 |  | 205,000 |  | 804,000
Financing Receivables, 60 to 89 Days Past Due [Member] | 1-4 Family residential properties |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 1,860,000 |  | 1,860,000 |  | 3,051,000
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 | 361,000 |  | 361,000 |  | 89,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Agricultural loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 0 |  | 0 |  | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial and industrial loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 307,000 |  | 307,000 |  | 10,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 218,000 |  | 218,000 |  | 356,000
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 | 2,426,000 |  | 2,426,000 |  | 3,987,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 14,291,000 |  | 14,291,000 |  | 14,314,000
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 | 47,000 |  | 47,000 |  | 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 | 4,459,000 |  | 4,459,000 |  | 4,080,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Multifamily residential properties |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 1,748,000 |  | 1,748,000 |  | 1,955,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial real estate |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 4,245,000 |  | 4,245,000 |  | 4,058,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Agricultural loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 70,000 |  | 70,000 |  | 20,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial and industrial loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 3,446,000 |  | 3,446,000 |  | 3,902,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Consumer loans |  |  |  |  |
Loans Receivable Aging Analysis [Abstract] |  |  |  |  |
Total Past Due | 276,000 |  | 276,000 |  | 299,000
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 | $ 10,499,000 |  | $ 10,499,000 |  | $ 10,093,000

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- Definition Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18794-111554 + Details
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- Definition Reflects the carrying amount of loans deemed to be questionable as to collection on which no interest is continuing to be recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
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- Definition Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5162-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4437-111522 + Details
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- References No definition available. + Details
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