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Loans and ALLL (Tables) | 6 Months Ended
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Jun. 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 June 30, 2017
| Commercial |  | Agricultural |  | Residential Real Estate |  | Consumer |  | Unallocated |  | Total
April 1, 2017 | $ | 1,771 |  |  | $ | 527 |  |  | $ | 3,098 |  |  | $ | 671 |  |  | $ | 1,433 |  |  | $ | 7,500 |
Charge-offs | (25 | ) |  | — |  |  | — |  |  | (44 | ) |  | — |  |  | (69 | )
Recoveries | 55 |  |  | — |  |  | 63 |  |  | 42 |  |  | — |  |  | 160 |
Provision for loan losses | 177 |  |  | (52 | ) |  | (563 | ) |  | (86 | ) |  | 533 |  |  | 9 |
June 30, 2017 | $ | 1,978 |  |  | $ | 475 |  |  | $ | 2,598 |  |  | $ | 583 |  |  | $ | 1,966 |  |  | $ | 7,600 |
| Allowance for Loan Losses
| Six Months Ended June 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 | (52 | ) |  | — |  |  | (43 | ) |  | (118 | ) |  | — |  |  | (213 | )
Recoveries | 188 |  |  | — |  |  | 99 |  |  | 90 |  |  | — |  |  | 377 |
Provision for loan losses | 28 |  |  | (409 | ) |  | (122 | ) |  | (13 | ) |  | 552 |  |  | 36 |
June 30, 2017 | $ | 1,978 |  |  | $ | 475 |  |  | $ | 2,598 |  |  | $ | 583 |  |  | $ | 1,966 |  |  | $ | 7,600 |
A summary of changes in the ALLL and the recorded investment in loans by segments follows:
| Allowance for Loan Losses
| Three Months Ended June 30, 2018
| Commercial |  | Agricultural |  | Residential Real Estate |  | Consumer |  | Unallocated |  | Total
April 1, 2018 | $ | 1,840 |  |  | $ | 1,224 |  |  | $ | 2,482 |  |  | $ | 795 |  |  | $ | 1,859 |  |  | $ | 8,200 |
Charge-offs | (489 | ) |  | — |  |  | (29 | ) |  | (48 | ) |  | — |  |  | (566 | )
Recoveries | 101 |  |  | — |  |  | 69 |  |  | 68 |  |  | — |  |  | 238 |
Provision for loan losses | 745 |  |  | (242 | ) |  | (355 | ) |  | 67 |  |  | 113 |  |  | 328 |
June 30, 2018 | $ | 2,197 |  |  | $ | 982 |  |  | $ | 2,167 |  |  | $ | 882 |  |  | $ | 1,972 |  |  | $ | 8,200 |
| Allowance for Loan Losses
| Six Months Ended June 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 | (494 | ) |  | — |  |  | (39 | ) |  | (136 | ) |  | — |  |  | (669 | )
Recoveries | 204 |  |  | — |  |  | 125 |  |  | 128 |  |  | — |  |  | 457 |
Provision for loan losses | 781 |  |  | 371 |  |  | (482 | ) |  | (10 | ) |  | 52 |  |  | 712 |
June 30, 2018 | $ | 2,197 |  |  | $ | 982 |  |  | $ | 2,167 |  |  | $ | 882 |  |  | $ | 1,972 |  |  | $ | 8,200 |
Allowance for Loan Losses and Recorded Investment in Loans |
| Allowance for Loan Losses and Recorded Investment in Loans
| June 30, 2018
| Commercial |  | Agricultural |  | Residential Real Estate |  | Consumer |  | Unallocated |  | Total
ALLL |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment | $ | 506 |  |  | $ | 102 |  |  | $ | 1,451 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,059 |
Collectively evaluated for impairment | 1,691 |  |  | 880 |  |  | 716 |  |  | 882 |  |  | 1,972 |  |  | 6,141 |
Total | $ | 2,197 |  |  | $ | 982 |  |  | $ | 2,167 |  |  | $ | 882 |  |  | $ | 1,972 |  |  | $ | 8,200 |
Loans |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment | $ | 10,030 |  |  | $ | 12,894 |  |  | $ | 7,748 |  |  | $ | 11 |  |  |  |  | $ | 30,683 |
Collectively evaluated for impairment | 681,593 |  |  | 112,355 |  |  | 265,859 |  |  | 61,266 |  |  |  |  | 1,121,073 |
Total | $ | 691,623 |  |  | $ | 125,249 |  |  | $ | 273,607 |  |  | $ | 61,277 |  |  |  |  | $ | 1,151,756 |
| 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 table displays the credit quality indicators for commercial and agricultural credit exposures based on internally assigned credit risk ratings as of:
| June 30, 2018
| Commercial |  | Agricultural |  |
| Real Estate |  | Other |  | Advances to Mortgage Brokers |  | Total |  | Real Estate |  | Other |  | Total |  | Total
Rating |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
1 - Excellent | $ | 23 |  |  | $ | 30 |  |  | $ | — |  |  | $ | 53 |  |  | $ | — |  |  | $ | 34 |  |  | $ | 34 |  |  | $ | 87 |
2 - High quality | 6,144 |  |  | 19,832 |  |  | — |  |  | 25,976 |  |  | 3,026 |  |  | 521 |  |  | 3,547 |  |  | 29,523 |
3 - High satisfactory | 117,355 |  |  | 55,626 |  |  | 23,864 |  |  | 196,845 |  |  | 19,751 |  |  | 7,037 |  |  | 26,788 |  |  | 223,633 |
4 - Low satisfactory | 353,308 |  |  | 91,678 |  |  | — |  |  | 444,986 |  |  | 45,287 |  |  | 17,964 |  |  | 63,251 |  |  | 508,237 |
5 - Special mention | 12,205 |  |  | 2,171 |  |  | — |  |  | 14,376 |  |  | 9,970 |  |  | 5,245 |  |  | 15,215 |  |  | 29,591 |
6 - Substandard | 5,368 |  |  | 2,073 |  |  | — |  |  | 7,441 |  |  | 6,623 |  |  | 6,034 |  |  | 12,657 |  |  | 20,098 |
7 - Vulnerable | 1,646 |  |  | 300 |  |  | — |  |  | 1,946 |  |  | 2,152 |  |  | 1,605 |  |  | 3,757 |  |  | 5,703 |
8 - Doubtful | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | $ | 496,049 |  |  | $ | 171,710 |  |  | $ | 23,864 |  |  | $ | 691,623 |  |  | $ | 86,809 |  |  | $ | 38,440 |  |  | $ | 125,249 |  |  | $ | 816,872 |
| 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 | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  | — |  | — |
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:
| June 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 | $ | 1,531 |  |  | $ | 60 |  |  | $ | — |  |  | $ | 1,646 |  |  | $ | 3,237 |  |  | $ | 492,812 |  |  | $ | 496,049 |
Commercial other | 565 |  |  | 827 |  |  | — |  |  | 300 |  |  | 1,692 |  |  | 170,018 |  |  | 171,710 |
Advances to mortgage brokers | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 23,864 |  |  | 23,864 |
Total commercial | 2,096 |  |  | 887 |  |  | — |  |  | 1,946 |  |  | 4,929 |  |  | 686,694 |  |  | 691,623 |
Agricultural |  |  |  |  |  |  |  |  |  |  |  |  |
Agricultural real estate | 576 |  |  | 149 |  |  | 125 |  |  | 2,152 |  |  | 3,002 |  |  | 83,807 |  |  | 86,809 |
Agricultural other | 34 |  |  | 410 |  |  | — |  |  | 1,605 |  |  | 2,049 |  |  | 36,391 |  |  | 38,440 |
Total agricultural | 610 |  |  | 559 |  |  | 125 |  |  | 3,757 |  |  | 5,051 |  |  | 120,198 |  |  | 125,249 |
Residential real estate |  |  |  |  |  |  |  |  |  |  |  |  |
Senior liens | 1,028 |  |  | 350 |  |  | 29 |  |  | 779 |  |  | 2,186 |  |  | 230,258 |  |  | 232,444 |
Junior liens | 33 |  |  | — |  |  |  |  |  | 10 |  |  | 43 |  |  | 6,261 |  |  | 6,304 |
Home equity lines of credit | 38 |  |  | 185 |  |  | — |  |  | — |  |  | 223 |  |  | 34,636 |  |  | 34,859 |
Total residential real estate | 1,099 |  |  | 535 |  |  | 29 |  |  | 789 |  |  | 2,452 |  |  | 271,155 |  |  | 273,607 |
Consumer |  |  |  |  |  |  |  |  |  |  |  |  |
Secured | 18 |  |  | 8 |  |  | — |  |  | — |  |  | 26 |  |  | 57,393 |  |  | 57,419 |
Unsecured | 17 |  |  | — |  |  | — |  |  | — |  |  | 17 |  |  | 3,841 |  |  | 3,858 |
Total consumer | 35 |  |  | 8 |  |  | — |  |  | — |  |  | 43 |  |  | 61,234 |  |  | 61,277 |
Total | $ | 3,840 |  |  | $ | 1,989 |  |  | $ | 154 |  |  | $ | 6,492 |  |  | $ | 12,475 |  |  | $ | 1,139,281 |  |  | $ | 1,151,756 |
| 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:
| June 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 | $ | 4,065 |  |  | $ | 4,354 |  |  | $ | 492 |  |  | $ | 4,089 |  |  | $ | 4,378 |  |  | $ | 626 |
Commercial other | 827 |  |  | 827 |  |  | 14 |  |  | 995 |  |  | 995 |  |  | 24 |
Agricultural real estate | 396 |  |  | 396 |  |  | 102 |  |  | — |  |  | — |  |  | — |
Residential real estate senior liens | 7,662 |  |  | 8,232 |  |  | 1,447 |  |  | 7,816 |  |  | 8,459 |  |  | 1,473 |
Residential real estate junior liens | 23 |  |  | 23 |  |  | 4 |  |  | 44 |  |  | 44 |  |  | 7 |
Total impaired loans with a valuation allowance | 12,973 |  |  | 13,832 |  |  | 2,059 |  |  | 12,944 |  |  | 13,876 |  |  | 2,130 |
Impaired loans without a valuation allowance |  |  |  |  |  |  |  |  |  |  |
Commercial real estate | 3,701 |  |  | 3,816 |  |  |  |  | 1,791 |  |  | 1,865 |  |  |
Commercial other | 1,437 |  |  | 1,481 |  |  |  |  | 1,224 |  |  | 1,224 |  |  |
Agricultural real estate | 7,137 |  |  | 7,137 |  |  |  |  | 7,913 |  |  | 7,913 |  |  |
Agricultural other | 5,361 |  |  | 5,361 |  |  |  |  | 2,685 |  |  | 2,685 |  |  |
Home equity lines of credit | 63 |  |  | 363 |  |  |  |  | 79 |  |  | 379 |  |  |
Consumer secured | 11 |  |  | 11 |  |  |  |  | 17 |  |  | 17 |  |  |
Total impaired loans without a valuation allowance | 17,710 |  |  | 18,169 |  |  |  |  | 13,709 |  |  | 14,083 |  |  |
Impaired loans |  |  |  |  |  |  |  |  |  |  |
Commercial | 10,030 |  |  | 10,478 |  |  | 506 |  |  | 8,099 |  |  | 8,462 |  |  | 650 |
Agricultural | 12,894 |  |  | 12,894 |  |  | 102 |  |  | 10,598 |  |  | 10,598 |  |  | — |
Residential real estate | 7,748 |  |  | 8,618 |  |  | 1,451 |  |  | 7,939 |  |  | 8,882 |  |  | 1,480 |
Consumer | 11 |  |  | 11 |  |  | — |  |  | 17 |  |  | 17 |  |  | — |
Total impaired loans | $ | 30,683 |  |  | $ | 32,001 |  |  | $ | 2,059 |  |  | $ | 26,653 |  |  | $ | 27,959 |  |  | $ | 2,130 |
The following is a summary of information pertaining to impaired loans for the:
| Three Months Ended June 30
| 2018 |  | 2017
| Average Recorded Balance |  | Interest Income Recognized |  | Average Recorded Balance |  | Interest Income Recognized
Impaired loans with a valuation allowance |  |  |  |  |  |  |
Commercial real estate | $ | 5,006 |  |  | $ | 13 |  |  | $ | 4,641 |  |  | $ | 84 |
Commercial other | 1,463 |  |  | 15 |  |  | 1,146 |  |  | 23 |
Agricultural real estate | 639 |  |  | 2 |  |  | — |  |  | — |
Residential real estate senior liens | 7,747 |  |  | 16 |  |  | 8,385 |  |  | 83 |
Residential real estate junior liens | 30 |  |  | — |  |  | 77 |  |  | 1 |
Home equity lines of credit | — |  |  |  |  |  | 35 |  |  | — |
Total impaired loans with a valuation allowance | 14,885 |  |  | 46 |  |  | 14,284 |  |  | 191 |
Impaired loans without a valuation allowance |  |  |  |  |  |  |
Commercial real estate | 3,084 |  |  | 12 |  |  | 1,576 |  |  | 19 |
Commercial other | 1,301 |  |  | 2 |  |  | 119 |  |  | 2 |
Agricultural real estate | 7,610 |  |  | 237 |  |  | 5,937 |  |  | 58 |
Agricultural other | 3,933 |  |  | 115 |  |  | 2,401 |  |  | 33 |
Home equity lines of credit | 68 |  |  | — |  |  | 126 |  |  | 5 |
Consumer secured | 12 |  |  | — |  |  | 22 |  |  | — |
Total impaired loans without a valuation allowance | 16,008 |  |  | 366 |  |  | 10,181 |  |  | 117 |
Impaired loans |  |  |  |  |  |  |
Commercial | 10,854 |  |  | 42 |  |  | 7,482 |  |  | 128 |
Agricultural | 12,182 |  |  | 354 |  |  | 8,338 |  |  | 91 |
Residential real estate | 7,845 |  |  | 16 |  |  | 8,623 |  |  | 89 |
Consumer | 12 |  |  | — |  |  | 22 |  |  | — |
Total impaired loans | $ | 30,893 |  |  | $ | 412 |  |  | $ | 24,465 |  |  | $ | 308 |
| Six Months Ended June 30
| 2018 |  | 2017
| Average Recorded Balance |  | Interest Income Recognized |  | Average Recorded Balance |  | Interest Income Recognized
Impaired loans with a valuation allowance |  |  |  |  |  |  |
Commercial real estate | $ | 5,012 |  |  | $ | 104 |  |  | $ | 4,825 |  |  | $ | 157 |
Commercial other | 1,505 |  |  | 39 |  |  | 1,211 |  |  | 47 |
Agricultural real estate | 540 |  |  | 6 |  |  | — |  |  | — |
Agricultural other | — |  |  | — |  |  | 34 |  |  | — |
Residential real estate senior liens | 7,785 |  |  | 90 |  |  | 8,403 |  |  | 166 |
Residential real estate junior liens | 35 |  |  | — |  |  | 76 |  |  | 1 |
Home equity lines of credit | — |  |  | — |  |  | 18 |  |  | — |
Total impaired loans with a valuation allowance | 14,877 |  |  | 239 |  |  | 14,567 |  |  | 371 |
Impaired loans without a valuation allowance |  |  |  |  |  |  |
Commercial real estate | 2,606 |  |  | 47 |  |  | 1,451 |  |  | 52 |
Commercial other | 1,248 |  |  | 19 |  |  | 117 |  |  | 4 |
Agricultural real estate | 7,804 |  |  | 277 |  |  | 4,990 |  |  | 120 |
Agricultural other | 3,264 |  |  | 151 |  |  | 1,920 |  |  | 46 |
Home equity lines of credit | 72 |  |  | 5 |  |  | 129 |  |  | 10 |
Consumer secured | 13 |  |  | — |  |  | 23 |  |  | — |
Total impaired loans without a valuation allowance | 15,007 |  |  | 499 |  |  | 8,630 |  |  | 232 |
Impaired loans |  |  |  |  |  |  |
Commercial | 10,371 |  |  | 209 |  |  | 7,604 |  |  | 260 |
Agricultural | 11,608 |  |  | 434 |  |  | 6,944 |  |  | 166 |
Residential real estate | 7,892 |  |  | 95 |  |  | 8,626 |  |  | 177 |
Consumer | 13 |  |  | — |  |  | 23 |  |  | — |
Total impaired loans | $ | 29,884 |  |  | $ | 738 |  |  | $ | 23,197 |  |  | $ | 603 |
Information pertaining to TDR's | The following is a summary of TDR loan balances as of:
| June 30, 2018 |  | December 31, 2017
TDRs | $ | 27,801 |  |  | $ | 26,197 |
The following is a summary of information pertaining to TDRs granted for the:
| Three Months Ended June 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 | 1 |  |  | $ | 105 |  |  | $ | 105 |  |  | 1 |  |  | $ | 86 |  |  | $ | 86 |
Agricultural other | 13 |  |  | 3,330 |  |  | 3,306 |  |  | 7 |  |  | 5,445 |  |  | 5,445 |
Residential real estate |  |  |  |  |  |  |  |  |  |  |
Senior liens | 5 |  |  | 327 |  |  | 327 |  |  | 3 |  |  | 255 |  |  | 255 |
Junior liens | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total residential real estate | 5 |  |  | 327 |  |  | 327 |  |  | 3 |  |  | 255 |  |  | 255 |
Consumer unsecured | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | 19 |  |  | $ | 3,762 |  |  | $ | 3,738 |  |  | 11 |  |  | $ | 5,786 |  |  | $ | 5,786 |
| Six Months Ended June 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 |  |  | 3 |  |  | $ | 313 |  |  | $ | 313 |
Agricultural other | 15 |  |  | 4,391 |  |  | 4,368 |  |  | 7 |  |  | 5,445 |  |  | 5,445 |
Residential real estate |  |  |  |  |  |  |  |  |  |  |
Senior liens | 7 |  |  | 493 |  |  | 493 |  |  | 3 |  |  | 255 |  |  | 255 |
Junior liens | — |  |  | — |  |  | — |  |  | 1 |  |  | 8 |  |  | 8 |
Total residential real estate | 7 |  |  | 493 |  |  | 493 |  |  | 4 |  |  | 263 |  |  | 263 |
Consumer unsecured | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | 26 |  |  | $ | 6,244 |  |  | $ | 6,221 |  |  | 14 |  |  | $ | 6,021 |  |  | $ | 6,021 |
The following table summarizes concessions we granted to borrowers in financial difficulty for the:
| Three Months Ended June 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 |  |  | $ | 105 |  |  | — |  |  | $ | — |  |  | 1 |  |  | $ | 86 |
Agricultural other | 6 |  |  | 1,770 |  |  | 7 |  |  | 1,560 |  |  | 4 |  |  | 1,349 |  |  | 3 |  |  | 4,096 |
Residential real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior liens | 1 |  |  | 56 |  |  | 4 |  |  | 271 |  |  | — |  |  | — |  |  | 3 |  |  | 255 |
Junior liens | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total residential real estate | 1 |  |  | 56 |  |  | 4 |  |  | 271 |  |  | — |  |  | — |  |  | 3 |  |  | 255 |
Consumer unsecured | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | 7 |  |  | $ | 1,826 |  |  | 12 |  |  | $ | 1,936 |  |  | 4 |  |  | $ | 1,349 |  |  | 7 |  |  | $ | 4,437 |
| Six Months Ended June 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 |  |  | — |  |  | $ | — |  |  | 3 |  |  | $ | 313 |
Agricultural other | 7 |  |  | 1,868 |  |  | 8 |  |  | 2,523 |  |  | 4 |  |  | 1,349 |  |  | 3 |  |  | 4,096 |
Residential real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior liens | 1 |  |  | 56 |  |  | 6 |  |  | 437 |  |  | — |  |  | — |  |  | 3 |  |  | 255 |
Junior liens | — |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | 8 |  |  | — |  |  | — |
Total residential real estate | 1 |  |  | 56 |  |  | 6 |  |  | 437 |  |  | 1 |  |  | 8 |  |  | 3 |  |  | 255 |
Consumer unsecured | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | 9 |  |  | $ | 2,098 |  |  | 17 |  |  | $ | 4,146 |  |  | 5 |  |  | $ | 1,357 |  |  | 9 |  |  | $ | 4,664 |

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