Debt instrument interest rate reduction percentage.

No definition available.

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- Definition

Debt instrument maturity date length of extension period.

+ References

No definition available.

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- Definition

Financing receivable period of modified contractually past due loans to be considered as payment default.

+ References

No definition available.

+ Details

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- Definition

Number of business customers.

+ References

No definition available.

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- Definition

Number of months offered for deferral payments.

+ References

No definition available.

+ Details

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- Definition

Provision (reversal) for loan losses expensed.

+ References

No definition available.

+ Details

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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

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Balance Type:	credit
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Period Type:	duration

- Definition

Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
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-Section 50
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Period Type:	instant

- Definition

Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953682-111524

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Balance Type:	na
Period Type:	duration

- Definition

Reflects the amount of the write-down related to a troubled debt restructuring.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of unfunded portion of contractual agreement to lend funds to borrower for financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18794-111554

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Period Type:	instant

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Troubled Debt Restructurings (Details Textual)	3 Months Ended		6 Months Ended		12 Months Ended
Troubled Debt Restructurings (Details Textual)	Jun. 30, 2020 USD ($) Loans Customer	Jun. 30, 2019 USD ($) Loans	Jun. 30, 2020 USD ($) Loans Customer	Jun. 30, 2019 USD ($) Loans	Dec. 31, 2019 USD ($)
Financing Receivable Modifications [Line Items]
Total troubled debt restructurings	$ 4,600,000		$ 4,600,000		$ 4,600,000
Specific reserves to loans	59,000		59,000		61,000
Commitments to lend additional amounts to borrowers classified as troubled debt restructurings	0		0		0
Small Business Administration (SBA), CARES Act, Paycheck Protection Program
Financing Receivable Modifications [Line Items]
Total troubled debt restructurings	$ 199,100,000		$ 199,100,000
Number of business customers facilitated assistance \| Customer	1,675		1,675
Commercial real estate
Financing Receivable Modifications [Line Items]
Specific reserves to loans	$ 0		$ 0		0
Commercial
Financing Receivable Modifications [Line Items]
Specific reserves to loans	2,000		$ 2,000		2,000
Payment Deferral
Financing Receivable Modifications [Line Items]
Number of months offered, deferrals			3 months
Second Three Month Deferral Payments
Financing Receivable Modifications [Line Items]
Number of months offered, deferrals			3 months
Second Three Month Deferral Payments \| Commercial real estate
Financing Receivable Modifications [Line Items]
Total troubled debt restructurings	23,800,000		$ 23,800,000
Second Three Month Deferral Payments \| Commercial
Financing Receivable Modifications [Line Items]
Total troubled debt restructurings	$ 5,700,000		$ 5,700,000
Commercial farmland loans
Financing Receivable Modifications [Line Items]
Troubled debt restructured loans with subsequent payment defaults \| Loans \| Loans	2		2
Commercial loans
Financing Receivable Modifications [Line Items]
Provision for loan losses			$ 0
Troubled debt restructured loans with subsequent payment defaults \| Loans \| Loans	1	4	1	4
Loans default payment past due period			30 days
Residential real estate loan
Financing Receivable Modifications [Line Items]
Provision for loan losses					0
Troubled debt restructured loans with subsequent payment defaults \| Loans \| Loans		1		1
Loans default payment past due period				30 days
Residential real estate, Home equity lines of credit
Financing Receivable Modifications [Line Items]
Troubled debt restructured loans with subsequent payment defaults \| Loans \| Loans		1		1
Residential real estate, Indirect Loan
Financing Receivable Modifications [Line Items]
Troubled debt restructured loans with subsequent payment defaults \| Loans \| Loans		1		1
Troubled debt restructurings
Financing Receivable Modifications [Line Items]
Specific reserves to loans	$ 59,000		$ 59,000		$ 61,000
Allowance adjustment charge offs	34,000	$ 44,000	39,000	$ 51,000
Provision for loan losses	$ 32,000	$ 44,000	$ 37,000	$ 51,000
Contractual Interest Rate Reduction
Financing Receivable Modifications [Line Items]
Reduction of the notes stated interest rate	2.25%	0.24%
Contractual Interest Rate Reduction \| Minimum
Financing Receivable Modifications [Line Items]
Reduction of the notes stated interest rate			1.00%	0.24%
Contractual Interest Rate Reduction \| Maximum
Financing Receivable Modifications [Line Items]
Reduction of the notes stated interest rate			2.25%	2.74%
Extended Maturity
Financing Receivable Modifications [Line Items]
Maturity period loans	183 months	124 months
Extended Maturity \| Minimum
Financing Receivable Modifications [Line Items]
Maturity period loans			168 months	86 months
Extended Maturity \| Maximum
Financing Receivable Modifications [Line Items]
Maturity period loans			183 months	124 months