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Loans and ALLL (Tables) | 9 Months Ended
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Sep. 30, 2018
Receivables [Abstract] |
Summary of changes in the ALLL and the recorded investment in loans by segments |
| Allowance for Loan Losses
| Three Months Ended September 30, 2017
| Commercial |  | Agricultural |  | Residential Real Estate |  | Consumer |  | Unallocated |  | Total
July 1, 2017 | $ | 1,978 |  |  | $ | 475 |  |  | $ | 2,598 |  |  | $ | 583 |  |  | $ | 1,966 |  |  | $ | 7,600 |
Charge-offs | (8 | ) |  | — |  |  | (77 | ) |  | (72 | ) |  | — |  |  | (157 | )
Recoveries | 134 |  |  | — |  |  | 41 |  |  | 33 |  |  | — |  |  | 208 |
Provision for loan losses | 65 |  |  | (40 | ) |  | (71 | ) |  | 89 |  |  | 6 |  |  | 49 |
September 30, 2017 | $ | 2,169 |  |  | $ | 435 |  |  | $ | 2,491 |  |  | $ | 633 |  |  | $ | 1,972 |  |  | $ | 7,700 |
| Allowance for Loan Losses
| Nine Months Ended September 30, 2017
| Commercial |  | Agricultural |  | Residential Real Estate |  | Consumer |  | Unallocated |  | Total
January 1, 2017 | $ | 1,814 |  |  | $ | 884 |  |  | $ | 2,664 |  |  | $ | 624 |  |  | $ | 1,414 |  |  | $ | 7,400 |
Charge-offs | (60 | ) |  | — |  |  | (120 | ) |  | (190 | ) |  | — |  |  | (370 | )
Recoveries | 322 |  |  | — |  |  | 140 |  |  | 123 |  |  | — |  |  | 585 |
Provision for loan losses | 93 |  |  | (449 | ) |  | (193 | ) |  | 76 |  |  | 558 |  |  | 85 |
September 30, 2017 | $ | 2,169 |  |  | $ | 435 |  |  | $ | 2,491 |  |  | $ | 633 |  |  | $ | 1,972 |  |  | $ | 7,700 |
A summary of changes in the ALLL and the recorded investment in loans by segments follows:
| Allowance for Loan Losses
| Three Months Ended September 30, 2018
| Commercial |  | Agricultural |  | Residential Real Estate |  | Consumer |  | Unallocated |  | Total
July 1, 2018 | $ | 2,197 |  |  | $ | 982 |  |  | $ | 2,167 |  |  | $ | 882 |  |  | $ | 1,972 |  |  | $ | 8,200 |
Charge-offs | (7 | ) |  | — |  |  | (61 | ) |  | (111 | ) |  | — |  |  | (179 | )
Recoveries | 80 |  |  | — |  |  | 37 |  |  | 38 |  |  | — |  |  | 155 |
Provision for loan losses | (249 | ) |  | (200 | ) |  | 239 |  |  | 93 |  |  | 41 |  |  | (76 | )
September 30, 2018 | $ | 2,021 |  |  | $ | 782 |  |  | $ | 2,382 |  |  | $ | 902 |  |  | $ | 2,013 |  |  | $ | 8,100 |
| Allowance for Loan Losses
| Nine Months Ended September 30, 2018
| Commercial |  | Agricultural |  | Residential Real Estate |  | Consumer |  | Unallocated |  | Total
January 1, 2018 | $ | 1,706 |  |  | $ | 611 |  |  | $ | 2,563 |  |  | $ | 900 |  |  | $ | 1,920 |  |  | $ | 7,700 |
Charge-offs | (501 | ) |  | — |  |  | (100 | ) |  | (247 | ) |  | — |  |  | (848 | )
Recoveries | 284 |  |  | — |  |  | 162 |  |  | 166 |  |  | — |  |  | 612 |
Provision for loan losses | 532 |  |  | 171 |  |  | (243 | ) |  | 83 |  |  | 93 |  |  | 636 |
September 30, 2018 | $ | 2,021 |  |  | $ | 782 |  |  | $ | 2,382 |  |  | $ | 902 |  |  | $ | 2,013 |  |  | $ | 8,100 |
Allowance for Loan Losses and Recorded Investment in Loans |
| Allowance for Loan Losses and Recorded Investment in Loans
| September 30, 2018
| Commercial |  | Agricultural |  | Residential Real Estate |  | Consumer |  | Unallocated |  | Total
ALLL |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment | $ | 481 |  |  | $ | 193 |  |  | $ | 1,400 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,074 |
Collectively evaluated for impairment | 1,540 |  |  | 589 |  |  | 982 |  |  | 902 |  |  | 2,013 |  |  | 6,026 |
Total | $ | 2,021 |  |  | $ | 782 |  |  | $ | 2,382 |  |  | $ | 902 |  |  | $ | 2,013 |  |  | $ | 8,100 |
Loans |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment | $ | 8,858 |  |  | $ | 15,057 |  |  | $ | 7,429 |  |  | $ | 10 |  |  |  |  | $ | 31,354 |
Collectively evaluated for impairment | 660,057 |  |  | 114,175 |  |  | 269,475 |  |  | 64,869 |  |  |  |  | 1,108,576 |
Total | $ | 668,915 |  |  | $ | 129,232 |  |  | $ | 276,904 |  |  | $ | 64,879 |  |  |  |  | $ | 1,139,930 |
| Allowance for Loan Losses and Recorded Investment in Loans
| December 31, 2017
| Commercial |  | Agricultural |  | Residential Real Estate |  | Consumer |  | Unallocated |  | Total
ALLL |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment | $ | 650 |  |  | $ | — |  |  | $ | 1,480 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,130 |
Collectively evaluated for impairment | 1,056 |  |  | 611 |  |  | 1,083 |  |  | 900 |  |  | 1,920 |  |  | 5,570 |
Total | $ | 1,706 |  |  | $ | 611 |  |  | $ | 2,563 |  |  | $ | 900 |  |  | $ | 1,920 |  |  | $ | 7,700 |
Loans |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment | $ | 8,099 |  |  | $ | 10,598 |  |  | $ | 7,939 |  |  | $ | 17 |  |  |  |  | $ | 26,653 |
Collectively evaluated for impairment | 626,660 |  |  | 117,671 |  |  | 264,429 |  |  | 56,106 |  |  |  |  | 1,064,866 |
Total | $ | 634,759 |  |  | $ | 128,269 |  |  | $ | 272,368 |  |  | $ | 56,123 |  |  |  |  | $ | 1,091,519 |
Credit quality indicators for commercial and agricultural credit exposures | The following tables display the credit quality indicators for commercial and agricultural credit exposures based on internally assigned credit risk ratings as of:
| September 30, 2018
| Commercial |  | Agricultural |  |
| Real Estate |  | Other |  | Advances to Mortgage Brokers |  | Total |  | Real Estate |  | Other |  | Total |  | Total
Rating |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
1 - Excellent | $ | 22 |  |  | $ | 42 |  |  | $ | — |  |  | $ | 64 |  |  | $ | 52 |  |  | $ | 34 |  |  | $ | 86 |  |  | $ | 150 |
2 - High quality | 4,518 |  |  | 17,255 |  |  | — |  |  | 21,773 |  |  | 2,947 |  |  | 630 |  |  | 3,577 |  |  | 25,350 |
3 - High satisfactory | 125,083 |  |  | 39,794 |  |  | 15,631 |  |  | 180,508 |  |  | 19,137 |  |  | 7,631 |  |  | 26,768 |  |  | 207,276 |
4 - Low satisfactory | 356,325 |  |  | 87,136 |  |  | — |  |  | 443,461 |  |  | 45,854 |  |  | 19,487 |  |  | 65,341 |  |  | 508,802 |
5 - Special mention | 11,739 |  |  | 1,795 |  |  | — |  |  | 13,534 |  |  | 10,445 |  |  | 5,783 |  |  | 16,228 |  |  | 29,762 |
6 - Substandard | 6,302 |  |  | 2,133 |  |  | — |  |  | 8,435 |  |  | 6,418 |  |  | 5,516 |  |  | 11,934 |  |  | 20,369 |
7 - Vulnerable | 897 |  |  | 243 |  |  | — |  |  | 1,140 |  |  | 2,881 |  |  | 2,417 |  |  | 5,298 |  |  | 6,438 |
8 - Doubtful | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
9 - Loss | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | $ | 504,886 |  |  | $ | 148,398 |  |  | $ | 15,631 |  |  | $ | 668,915 |  |  | $ | 87,734 |  |  | $ | 41,498 |  |  | $ | 129,232 |  |  | $ | 798,147 |
| December 31, 2017
| Commercial |  | Agricultural |  |
| Real Estate |  | Other |  | Advances to Mortgage Brokers |  | Total |  | Real Estate |  | Other |  | Total |  | Total
Rating |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
1 - Excellent | $ | 24 |  |  | $ | 316 |  |  | $ | — |  |  | $ | 340 |  |  | $ | — |  |  | $ | 34 |  |  | $ | 34 |  |  | $ | 374 |
2 - High quality | 8,402 |  |  | 12,262 |  |  | — |  |  | 20,664 |  |  | 2,909 |  |  | 1,024 |  |  | 3,933 |  |  | 24,597 |
3 - High satisfactory | 131,826 |  |  | 46,668 |  |  | 12,081 |  |  | 190,575 |  |  | 21,072 |  |  | 8,867 |  |  | 29,939 |  |  | 220,514 |
4 - Low satisfactory | 326,166 |  |  | 75,591 |  |  | — |  |  | 401,757 |  |  | 47,835 |  |  | 18,467 |  |  | 66,302 |  |  | 468,059 |
5 - Special mention | 8,986 |  |  | 3,889 |  |  | — |  |  | 12,875 |  |  | 10,493 |  |  | 8,546 |  |  | 19,039 |  |  | 31,914 |
6 - Substandard | 5,521 |  |  | 2,298 |  |  | — |  |  | 7,819 |  |  | 4,325 |  |  | 2,747 |  |  | 7,072 |  |  | 14,891 |
7 - Vulnerable | 729 |  |  | — |  |  | — |  |  | 729 |  |  | 1,531 |  |  | 419 |  |  | 1,950 |  |  | 2,679 |
8 - Doubtful | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
9 - Loss | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | $ | 481,654 |  |  | $ | 141,024 |  |  | $ | 12,081 |  |  | $ | 634,759 |  |  | $ | 88,165 |  |  | $ | 40,104 |  |  | $ | 128,269 |  |  | $ | 763,028 |
Summary of past due and current loans | The following tables summarize the past due and current loans as of:
| September 30, 2018
| Accruing Interest and Past Due: |  |  |  | Total Past Due and Nonaccrual |  |  |  |
| 30-59 Days |  | 60-89 Days |  | 90 Days or More |  | Nonaccrual |  |  | Current |  | Total
Commercial |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate | $ | 426 |  |  | $ | — |  |  | $ | — |  |  | $ | 897 |  |  | $ | 1,323 |  |  | $ | 503,563 |  |  | $ | 504,886 |
Commercial other | 703 |  |  | 815 |  |  | — |  |  | 243 |  |  | 1,761 |  |  | 146,637 |  |  | 148,398 |
Advances to mortgage brokers | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 15,631 |  |  | 15,631 |
Total commercial | 1,129 |  |  | 815 |  |  | — |  |  | 1,140 |  |  | 3,084 |  |  | 665,831 |  |  | 668,915 |
Agricultural |  |  |  |  |  |  |  |  |  |  |  |  |
Agricultural real estate | 70 |  |  | 23 |  |  | — |  |  | 2,881 |  |  | 2,974 |  |  | 84,760 |  |  | 87,734 |
Agricultural other | 50 |  |  | 160 |  |  | 62 |  |  | 2,417 |  |  | 2,689 |  |  | 38,809 |  |  | 41,498 |
Total agricultural | 120 |  |  | 183 |  |  | 62 |  |  | 5,298 |  |  | 5,663 |  |  | 123,569 |  |  | 129,232 |
Residential real estate |  |  |  |  |  |  |  |  |  |  |  |  |
Senior liens | 1,261 |  |  | 458 |  |  | 212 |  |  | 698 |  |  | 2,629 |  |  | 233,325 |  |  | 235,954 |
Junior liens | 9 |  |  | — |  |  | — |  |  | — |  |  | 9 |  |  | 6,157 |  |  | 6,166 |
Home equity lines of credit | 465 |  |  | 34 |  |  | — |  |  | — |  |  | 499 |  |  | 34,285 |  |  | 34,784 |
Total residential real estate | 1,735 |  |  | 492 |  |  | 212 |  |  | 698 |  |  | 3,137 |  |  | 273,767 |  |  | 276,904 |
Consumer |  |  |  |  |  |  |  |  |  |  |  |  |
Secured | 66 |  |  | — |  |  | — |  |  | — |  |  | 66 |  |  | 60,956 |  |  | 61,022 |
Unsecured | 2 |  |  | — |  |  | — |  |  | — |  |  | 2 |  |  | 3,855 |  |  | 3,857 |
Total consumer | 68 |  |  | — |  |  | — |  |  | — |  |  | 68 |  |  | 64,811 |  |  | 64,879 |
Total | $ | 3,052 |  |  | $ | 1,490 |  |  | $ | 274 |  |  | $ | 7,136 |  |  | $ | 11,952 |  |  | $ | 1,127,978 |  |  | $ | 1,139,930 |
| December 31, 2017
| Accruing Interest and Past Due: |  |  |  | Total Past Due and Nonaccrual |  |  |  |
| 30-59 Days |  | 60-89 Days |  | 90 Days or More |  | Nonaccrual |  |  | Current |  | Total
Commercial |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate | $ | 295 |  |  | $ | 325 |  |  | $ | 54 |  |  | $ | 729 |  |  | $ | 1,403 |  |  | $ | 480,251 |  |  | $ | 481,654 |
Commercial other | 1,069 |  |  | 28 |  |  | 18 |  |  | — |  |  | 1,115 |  |  | 139,909 |  |  | 141,024 |
Advances to mortgage brokers | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 12,081 |  |  | 12,081 |
Total commercial | 1,364 |  |  | 353 |  |  | 72 |  |  | 729 |  |  | 2,518 |  |  | 632,241 |  |  | 634,759 |
Agricultural |  |  |  |  |  |  |  |  |  |  |  |  |
Agricultural real estate | 84 |  |  | 190 |  |  | — |  |  | 1,531 |  |  | 1,805 |  |  | 86,360 |  |  | 88,165 |
Agricultural other | 39 |  |  | — |  |  | 104 |  |  | 419 |  |  | 562 |  |  | 39,542 |  |  | 40,104 |
Total agricultural | 123 |  |  | 190 |  |  | 104 |  |  | 1,950 |  |  | 2,367 |  |  | 125,902 |  |  | 128,269 |
Residential real estate |  |  |  |  |  |  |  |  |  |  |  |  |
Senior liens | 3,718 |  |  | 234 |  |  | 132 |  |  | 325 |  |  | 4,409 |  |  | 225,007 |  |  | 229,416 |
Junior liens | 69 |  |  | 10 |  |  | — |  |  | 23 |  |  | 102 |  |  | 6,812 |  |  | 6,914 |
Home equity lines of credit | 293 |  |  | — |  |  | 77 |  |  | — |  |  | 370 |  |  | 35,668 |  |  | 36,038 |
Total residential real estate | 4,080 |  |  | 244 |  |  | 209 |  |  | 348 |  |  | 4,881 |  |  | 267,487 |  |  | 272,368 |
Consumer |  |  |  |  |  |  |  |  |  |  |  |  |
Secured | 37 |  |  | 10 |  |  | 10 |  |  | — |  |  | 57 |  |  | 52,005 |  |  | 52,062 |
Unsecured | 13 |  |  | — |  |  | — |  |  | — |  |  | 13 |  |  | 4,048 |  |  | 4,061 |
Total consumer | 50 |  |  | 10 |  |  | 10 |  |  | — |  |  | 70 |  |  | 56,053 |  |  | 56,123 |
Total | $ | 5,617 |  |  | $ | 797 |  |  | $ | 395 |  |  | $ | 3,027 |  |  | $ | 9,836 |  |  | $ | 1,081,683 |  |  | $ | 1,091,519 |
Information pertaining to impaired loans | The following is a summary of information pertaining to impaired loans as of:
| September 30, 2018 |  | December 31, 2017
| Recorded Balance |  | Unpaid Principal Balance |  | Valuation Allowance |  | Recorded Balance |  | Unpaid Principal Balance |  | Valuation Allowance
Impaired loans with a valuation allowance |  |  |  |  |  |  |  |  |  |  |
Commercial real estate | $ | 4,324 |  |  | $ | 4,612 |  |  | $ | 474 |  |  | $ | 4,089 |  |  | $ | 4,378 |  |  | $ | 626 |
Commercial other | 729 |  |  | 729 |  |  | 7 |  |  | 995 |  |  | 995 |  |  | 24 |
Agricultural real estate | 950 |  |  | 950 |  |  | 148 |  |  | — |  |  | — |  |  | — |
Agricultural other | 647 |  |  | 647 |  |  | 45 |  |  | — |  |  | — |  |  | — |
Residential real estate senior liens | 7,361 |  |  | 7,903 |  |  | 1,398 |  |  | 7,816 |  |  | 8,459 |  |  | 1,473 |
Residential real estate junior liens | 13 |  |  | 13 |  |  | 2 |  |  | 44 |  |  | 44 |  |  | 7 |
Total impaired loans with a valuation allowance | 14,024 |  |  | 14,854 |  |  | 2,074 |  |  | 12,944 |  |  | 13,876 |  |  | 2,130 |
Impaired loans without a valuation allowance |  |  |  |  |  |  |  |  |  |  |
Commercial real estate | 2,451 |  |  | 2,525 |  |  |  |  | 1,791 |  |  | 1,865 |  |  |
Commercial other | 1,354 |  |  | 1,398 |  |  |  |  | 1,224 |  |  | 1,224 |  |  |
Agricultural real estate | 7,249 |  |  | 7,257 |  |  |  |  | 7,913 |  |  | 7,913 |  |  |
Agricultural other | 6,211 |  |  | 6,211 |  |  |  |  | 2,685 |  |  | 2,685 |  |  |
Home equity lines of credit | 55 |  |  | 355 |  |  |  |  | 79 |  |  | 379 |  |  |
Consumer secured | 10 |  |  | 10 |  |  |  |  | 17 |  |  | 17 |  |  |
Total impaired loans without a valuation allowance | 17,330 |  |  | 17,756 |  |  |  |  | 13,709 |  |  | 14,083 |  |  |
Impaired loans |  |  |  |  |  |  |  |  |  |  |
Commercial | 8,858 |  |  | 9,264 |  |  | 481 |  |  | 8,099 |  |  | 8,462 |  |  | 650 |
Agricultural | 15,057 |  |  | 15,065 |  |  | 193 |  |  | 10,598 |  |  | 10,598 |  |  | — |
Residential real estate | 7,429 |  |  | 8,271 |  |  | 1,400 |  |  | 7,939 |  |  | 8,882 |  |  | 1,480 |
Consumer | 10 |  |  | 10 |  |  | — |  |  | 17 |  |  | 17 |  |  | — |
Total impaired loans | $ | 31,354 |  |  | $ | 32,610 |  |  | $ | 2,074 |  |  | $ | 26,653 |  |  | $ | 27,959 |  |  | $ | 2,130 |
The following is a summary of information pertaining to impaired loans for the:
| Three Months Ended September 30
| 2018 |  | 2017
| Average Recorded Balance |  | Interest Income Recognized |  | Average Recorded Balance |  | Interest Income Recognized
Impaired loans with a valuation allowance |  |  |  |  |  |  |
Commercial real estate | $ | 4,195 |  |  | $ | 14 |  |  | $ | 4,636 |  |  | $ | 68 |
Commercial other | 778 |  |  | 16 |  |  | 1,669 |  |  | 28 |
Agricultural real estate | 673 |  |  | 40 |  |  | — |  |  | — |
Agricultural other | 324 |  |  | 45 |  |  | — |  |  | — |
Residential real estate senior liens | 7,512 |  |  | 17 |  |  | 8,333 |  |  | 79 |
Residential real estate junior liens | 18 |  |  | — |  |  | 73 |  |  | 1 |
Home equity lines of credit | — |  |  | — |  |  | 35 |  |  | — |
Total impaired loans with a valuation allowance | 13,500 |  |  | 132 |  |  | 14,746 |  |  | 176 |
Impaired loans without a valuation allowance |  |  |  |  |  |  |
Commercial real estate | 3,076 |  |  | 8 |  |  | 1,546 |  |  | 31 |
Commercial other | 1,396 |  |  | 2 |  |  | 93 |  |  | 2 |
Agricultural real estate | 7,193 |  |  | 137 |  |  | 7,830 |  |  | 98 |
Agricultural other | 5,786 |  |  | 68 |  |  | 3,221 |  |  | 39 |
Home equity lines of credit | 59 |  |  | — |  |  | 86 |  |  | 5 |
Consumer secured | 11 |  |  | — |  |  | 19 |  |  | — |
Total impaired loans without a valuation allowance | 17,521 |  |  | 215 |  |  | 12,795 |  |  | 175 |
Impaired loans |  |  |  |  |  |  |
Commercial | 9,445 |  |  | 40 |  |  | 7,944 |  |  | 129 |
Agricultural | 13,976 |  |  | 290 |  |  | 11,051 |  |  | 137 |
Residential real estate | 7,589 |  |  | 17 |  |  | 8,527 |  |  | 85 |
Consumer | 11 |  |  | — |  |  | 19 |  |  | — |
Total impaired loans | $ | 31,021 |  |  | $ | 347 |  |  | $ | 27,541 |  |  | $ | 351 |
| Nine Months Ended September 30
| 2018 |  | 2017
| Average Recorded Balance |  | Interest Income Recognized |  | Average Recorded Balance |  | Interest Income Recognized
Impaired loans with a valuation allowance |  |  |  |  |  |  |
Commercial real estate | $ | 4,739 |  |  | $ | 118 |  |  | $ | 4,765 |  |  | $ | 225 |
Commercial other | 1,263 |  |  | 55 |  |  | 1,363 |  |  | 75 |
Agricultural real estate | 584 |  |  | 46 |  |  | — |  |  | — |
Agricultural other | 108 |  |  | 45 |  |  | 22 |  |  | — |
Residential real estate senior liens | 7,694 |  |  | 107 |  |  | 8,379 |  |  | 245 |
Residential real estate junior liens | 29 |  |  | — |  |  | 75 |  |  | 2 |
Home equity lines of credit | — |  |  | — |  |  | 23 |  |  | — |
Total impaired loans with a valuation allowance | 14,417 |  |  | 371 |  |  | 14,627 |  |  | 547 |
Impaired loans without a valuation allowance |  |  |  |  |  |  |
Commercial real estate | 2,763 |  |  | 55 |  |  | 1,483 |  |  | 83 |
Commercial other | 1,297 |  |  | 21 |  |  | 109 |  |  | 6 |
Agricultural real estate | 7,600 |  |  | 414 |  |  | 5,936 |  |  | 218 |
Agricultural other | 4,105 |  |  | 219 |  |  | 2,353 |  |  | 85 |
Home equity lines of credit | 68 |  |  | 5 |  |  | 115 |  |  | 15 |
Consumer secured | 13 |  |  | — |  |  | 22 |  |  | — |
Total impaired loans without a valuation allowance | 15,846 |  |  | 714 |  |  | 10,018 |  |  | 407 |
Impaired loans |  |  |  |  |  |  |
Commercial | 10,062 |  |  | 249 |  |  | 7,720 |  |  | 389 |
Agricultural | 12,397 |  |  | 724 |  |  | 8,311 |  |  | 303 |
Residential real estate | 7,791 |  |  | 112 |  |  | 8,592 |  |  | 262 |
Consumer | 13 |  |  | — |  |  | 22 |  |  | — |
Total impaired loans | $ | 30,263 |  |  | $ | 1,085 |  |  | $ | 24,645 |  |  | $ | 954 |
Information pertaining to TDR's | The following is a summary of TDR loan balances as of:
| September 30, 2018 |  | December 31, 2017
TDRs | $ | 28,010 |  |  | $ | 26,197 |
The following is a summary of information pertaining to TDRs granted for the:
| Three Months Ended September 30
| 2018 |  | 2017
| Number of Loans |  | Pre-Modification Recorded Investment |  | Post-Modification Recorded Investment |  | Number of Loans |  | Pre-Modification Recorded Investment |  | Post-Modification Recorded Investment
Commercial other | — |  |  | $ | — |  |  | $ | — |  |  | 3 |  |  | $ | 1,385 |  |  | $ | 1,385 |
Agricultural other | 7 |  |  | 1,327 |  |  | 1,327 |  |  | — |  |  | — |  |  | — |
Residential real estate |  |  |  |  |  |  |  |  |  |  |
Senior liens | 1 |  |  | 99 |  |  | 99 |  |  | 2 |  |  | 179 |  |  | 179 |
Junior liens | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total residential real estate | 1 |  |  | 99 |  |  | 99 |  |  | 2 |  |  | 179 |  |  | 179 |
Consumer unsecured | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | 8 |  |  | $ | 1,426 |  |  | $ | 1,426 |  |  | 5 |  |  | $ | 1,564 |  |  | $ | 1,564 |
| Nine Months Ended September 30
| 2018 |  | 2017
| Number of Loans |  | Pre-Modification Recorded Investment |  | Post-Modification Recorded Investment |  | Number of Loans |  | Pre-Modification Recorded Investment |  | Post-Modification Recorded Investment
Commercial other | 4 |  |  | $ | 1,360 |  |  | $ | 1,360 |  |  | 6 |  |  | $ | 1,698 |  |  | $ | 1,698 |
Agricultural other | 22 |  |  | 5,718 |  |  | 5,694 |  |  | 7 |  |  | 5,445 |  |  | 5,445 |
Residential real estate |  |  |  |  |  |  |  |  |  |  |
Senior liens | 8 |  |  | 593 |  |  | 593 |  |  | 5 |  |  | 434 |  |  | 434 |
Junior liens | — |  |  | — |  |  | — |  |  | 1 |  |  | 8 |  |  | 8 |
Total residential real estate | 8 |  |  | 593 |  |  | 593 |  |  | 6 |  |  | 442 |  |  | 442 |
Consumer unsecured | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | 34 |  |  | $ | 7,671 |  |  | $ | 7,647 |  |  | 19 |  |  | $ | 7,585 |  |  | $ | 7,585 |
The following tables summarize concessions we granted to borrowers in financial difficulty for the:
| Three Months Ended September 30
| 2018 |  | 2017
| Below Market Interest Rate |  | Below Market Interest Rate and Extension of Amortization Period |  | Below Market Interest Rate |  | Below Market Interest Rate and Extension of Amortization Period
| Number of Loans |  | Pre-Modification Recorded Investment |  | Number of Loans |  | Pre-Modification Recorded Investment |  | Number of Loans |  | Pre-Modification Recorded Investment |  | Number of Loans |  | Pre-Modification Recorded Investment
Commercial other | — |  |  | $ | — |  |  | — |  |  | $ | — |  |  | — |  |  | $ | — |  |  | 3 |  |  | $ | 1,385 |
Agricultural other | 5 |  |  | 476 |  |  | 2 |  |  | 851 |  |  | — |  |  | — |  |  | — |  |  | — |
Residential real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior liens | 1 |  |  | 99 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 2 |  |  | 179 |
Junior liens | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total residential real estate | 1 |  |  | 99 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 2 |  |  | 179 |
Consumer unsecured | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | 6 |  |  | $ | 575 |  |  | 2 |  |  | $ | 851 |  |  | — |  |  | $ | — |  |  | 5 |  |  | $ | 1,564 |
| Nine Months Ended September 30
| 2018 |  | 2017
| Below Market Interest Rate |  | Below Market Interest Rate and Extension of Amortization Period |  | Below Market Interest Rate |  | Below Market Interest Rate and Extension of Amortization Period
| Number of Loans |  | Pre-Modification Recorded Investment |  | Number of Loans |  | Pre-Modification Recorded Investment |  | Number of Loans |  | Pre-Modification Recorded Investment |  | Number of Loans |  | Pre-Modification Recorded Investment
Commercial other | 1 |  |  | $ | 174 |  |  | 3 |  |  | $ | 1,186 |  |  | — |  |  | $ | — |  |  | 6 |  |  | $ | 1,698 |
Agricultural other | 12 |  |  | 2,345 |  |  | 10 |  |  | 3,373 |  |  | 4 |  |  | 1,349 |  |  | 3 |  |  | 4,096 |
Residential real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior liens | 2 |  |  | 155 |  |  | 6 |  |  | 438 |  |  | — |  |  | — |  |  | 5 |  |  | 434 |
Junior liens | — |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | 8 |  |  | — |  |  | — |
Total residential real estate | 2 |  |  | 155 |  |  | 6 |  |  | 438 |  |  | 1 |  |  | 8 |  |  | 5 |  |  | 434 |
Consumer unsecured | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | 15 |  |  | $ | 2,674 |  |  | 19 |  |  | $ | 4,997 |  |  | 5 |  |  | $ | 1,357 |  |  | 14 |  |  | $ | 6,228 |

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