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Securities Sold Under Agreements to Repurchase and Federal Funds Purchased (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Retail Repurchase Agreements
Repurchase Agreement Counterparty [Line Items]
Outstanding agreements to repurchase	$ 60,300,000
Wholesale Repurchase Agreements
Repurchase Agreement Counterparty [Line Items]
Outstanding agreements to repurchase	0
Securities Sold Under Agreements to Repurchase
Repurchase Agreement Counterparty [Line Items]
Outstanding agreements to repurchase	60,346,000	$ 81,842,000	$ 75,177,000
Maximum month-end balance	71,875,000	81,842,000	80,326,000
Average balance during the year	$ 59,742,000	$ 63,472,000	$ 64,888,000
Weighted average rate at December 31	0.22%	0.22%	0.23%
Average interest rate paid during the year	0.24%	0.24%	0.36%
Federal Funds Purchased
Repurchase Agreement Counterparty [Line Items]
Average balance during the year	$ 82,000	$ 0	$ 0
Average interest rate paid during the year	2.86%	0.00%	0.00%

X

- Definition

The calculated average balance during the year.

+ References

No definition available.

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- Definition

The calculated average interest rate paid during the year.

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- Definition

The maximum month end balance of securities sold under repurchase agreements.

+ References

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- Definition

The calculated weighted average interest rate.

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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.

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No definition available.

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- Definition

Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
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