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v3.21.1

Loans and ALLL (Credit quality indicators for commercial and agricultural credit exposures) (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | $ 1,195,918 | $ 1,238,311
Total commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 725,540 | 756,686
Commercial real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 507,688 | 506,297
Commercial other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 208,395 | 200,131
Commercial Advances to Mortgage Brokers Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 9,457 | 50,258
Total agricultural [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 91,629 | 100,461
Agricultural real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 67,872 | 71,218
Agricultural other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 23,757 | 29,243
Commercial And Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 817,169 | 857,147
1 - Excellent [Member] | Total commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 76 | 0
1 - Excellent [Member] | Commercial real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
1 - Excellent [Member] | Commercial other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 76 | 0
1 - Excellent [Member] | Commercial Advances to Mortgage Brokers Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
1 - Excellent [Member] | Total agricultural [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
1 - Excellent [Member] | Agricultural real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
1 - Excellent [Member] | Agricultural other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
1 - Excellent [Member] | Commercial And Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 76 | 0
2 - High quality [Member] | Total commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 14,240 | 15,714
2 - High quality [Member] | Commercial real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 1,552 | 2,308
2 - High quality [Member] | Commercial other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 12,688 | 13,406
2 - High quality [Member] | Commercial Advances to Mortgage Brokers Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
2 - High quality [Member] | Total agricultural [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 547 | 552
2 - High quality [Member] | Agricultural real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 536 | 541
2 - High quality [Member] | Agricultural other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 11 | 11
2 - High quality [Member] | Commercial And Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 14,787 | 16,266
3 - High satisfactory [Member] | Total commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 134,698 | 170,678
3 - High satisfactory [Member] | Commercial real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 74,559 | 69,327
3 - High satisfactory [Member] | Commercial other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 50,682 | 51,093
3 - High satisfactory [Member] | Commercial Advances to Mortgage Brokers Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 9,457 | 50,258
3 - High satisfactory [Member] | Total agricultural [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 15,388 | 19,723
3 - High satisfactory [Member] | Agricultural real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 11,565 | 14,411
3 - High satisfactory [Member] | Agricultural other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 3,823 | 5,312
3 - High satisfactory [Member] | Commercial And Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 150,086 | 190,401
4 - Low satisfactory [Member] | Total commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 531,880 | 525,758
4 - Low satisfactory [Member] | Commercial real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 401,410 | 403,733
4 - Low satisfactory [Member] | Commercial other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 130,470 | 122,025
4 - Low satisfactory [Member] | Commercial Advances to Mortgage Brokers Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
4 - Low satisfactory [Member] | Total agricultural [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 46,255 | 52,064
4 - Low satisfactory [Member] | Agricultural real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 33,333 | 34,464
4 - Low satisfactory [Member] | Agricultural other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 12,922 | 17,600
4 - Low satisfactory [Member] | Commercial And Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 578,135 | 577,822
5 - Special mention [Member] | Total commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 20,147 | 21,223
5 - Special mention [Member] | Commercial real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 13,941 | 15,049
5 - Special mention [Member] | Commercial other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 6,206 | 6,174
5 - Special mention [Member] | Commercial Advances to Mortgage Brokers Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
5 - Special mention [Member] | Total agricultural [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 15,797 | 16,377
5 - Special mention [Member] | Agricultural real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 12,490 | 13,137
5 - Special mention [Member] | Agricultural other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 3,307 | 3,240
5 - Special mention [Member] | Commercial And Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 35,944 | 37,600
6 - Substandard [Member] | Total commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 23,171 | 21,984
6 - Substandard [Member] | Commercial real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 16,180 | 15,854
6 - Substandard [Member] | Commercial other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 6,991 | 6,130
6 - Substandard [Member] | Commercial Advances to Mortgage Brokers Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
6 - Substandard [Member] | Total agricultural [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 10,591 | 7,960
6 - Substandard [Member] | Agricultural real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 7,173 | 5,267
6 - Substandard [Member] | Agricultural other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 3,418 | 2,693
6 - Substandard [Member] | Commercial And Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 33,762 | 29,944
7 - Vulnerable [Member] | Total commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 1,328 | 1,329
7 - Vulnerable [Member] | Commercial real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 46 | 26
7 - Vulnerable [Member] | Commercial other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 1,282 | 1,303
7 - Vulnerable [Member] | Commercial Advances to Mortgage Brokers Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
7 - Vulnerable [Member] | Total agricultural [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 2,863 | 3,595
7 - Vulnerable [Member] | Agricultural real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 2,587 | 3,208
7 - Vulnerable [Member] | Agricultural other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 276 | 387
7 - Vulnerable [Member] | Commercial And Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 4,191 | 4,924
8 - Doubtful [Member] | Total commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
8 - Doubtful [Member] | Commercial real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
8 - Doubtful [Member] | Commercial other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
8 - Doubtful [Member] | Commercial Advances to Mortgage Brokers Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
8 - Doubtful [Member] | Total agricultural [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 188 | 190
8 - Doubtful [Member] | Agricultural real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 188 | 190
8 - Doubtful [Member] | Agricultural other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
8 - Doubtful [Member] | Commercial And Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 188 | 190
Loss [Member] | Total commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Loss [Member] | Commercial real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Loss [Member] | Commercial other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Loss [Member] | Commercial Advances to Mortgage Brokers Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Loss [Member] | Total agricultural [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Loss [Member] | Agricultural real estate [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Loss [Member] | Agricultural other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Loss [Member] | Commercial And Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | $ 0 | $ 0

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- Definition Amount, before allowance for credit loss, of financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919230-210447 + Details
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