Loans, Loan Modifications Related to COVID-19 (Details) - COVID-19 [Member] $ in Thousands	6 Months Ended
Jun. 30, 2020 USD ($) Loan
Loan Modifications Related to COVID-19 [Abstract]
Number of loans \| Loan	509
Balance as of Modification date \| $	$ 196,221
Number of modified loan \| Loan	134
Balance \| $	$ 55,397
Balance	4.06%
Consumer [Member]
Loan Modifications Related to COVID-19 [Abstract]
Number of loans \| Loan	10
Balance as of Modification date \| $	$ 68
Number of modified loan \| Loan	1
Balance \| $	$ 7
Balance	0.02%
Other Commercial Loans [Member]
Loan Modifications Related to COVID-19 [Abstract]
Number of loans \| Loan	88
Balance as of Modification date \| $	$ 24,077
Number of modified loan \| Loan	25
Balance \| $	$ 1,292
Balance	0.98%
Other Agricultural Loans [Member]
Loan Modifications Related to COVID-19 [Abstract]
Number of loans \| Loan	46
Balance as of Modification date \| $	$ 3,347
Number of modified loan \| Loan	7
Balance \| $	$ 2,335
Balance	5.20%
Mortgages [Member]
Loan Modifications Related to COVID-19 [Abstract]
Number of loans \| Loan	46
Balance as of Modification date \| $	$ 9,803
Number of modified loan \| Loan	12
Balance \| $	$ 1,962
Balance	1.28%
Home Equity [Member]
Loan Modifications Related to COVID-19 [Abstract]
Number of loans \| Loan	27
Balance as of Modification date \| $	$ 1,283
Number of modified loan \| Loan	2
Balance \| $	$ 80
Balance	0.14%
Commercial [Member]
Loan Modifications Related to COVID-19 [Abstract]
Number of loans \| Loan	246
Balance as of Modification date \| $	$ 140,632
Number of modified loan \| Loan	67
Balance \| $	$ 42,867
Balance	8.35%
Agricultural [Member]
Loan Modifications Related to COVID-19 [Abstract]
Number of loans \| Loan	43
Balance as of Modification date \| $	$ 15,833
Number of modified loan \| Loan	18
Balance \| $	$ 6,658
Balance	2.13%
Construction [Member]
Loan Modifications Related to COVID-19 [Abstract]
Number of loans \| Loan	3
Balance as of Modification date \| $	$ 1,178
Number of modified loan \| Loan	2
Balance \| $	$ 196
Balance	0.62%

Number of loans receiving accommodations for financing receivables under COVID-19.

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- Definition

Percentage of total loans that have been modified by other than troubled debt restructurings.

+ References

No definition available.

+ Details

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- Definition

Amount of financing receivable modified by other than troubled debt restructurings.

+ References

No definition available.

+ Details

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- Definition

Number of financing receivables that have been modified under COVID-19.

+ References

No definition available.

+ Details

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- References

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- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524

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