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Securities Sold Under Agreements to Repurchase and Federal Funds Purchased (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Retail Repurchase Agreements |  |  |
Repurchase Agreement Counterparty [Line Items] |  |  |
Total outstanding at December 31 | $ 81,800,000 |  |
Wholesale Repurchase Agreements |  |  |
Repurchase Agreement Counterparty [Line Items] |  |  |
Total outstanding at December 31 | 0 |  |
Securities Sold Under Agreements to Repurchase |  |  |
Repurchase Agreement Counterparty [Line Items] |  |  |
Total outstanding at December 31 | 81,842,000 | $ 75,177,000 | $ 69,062,000
Maximum month-end balance | 81,842,000 | 80,326,000 | 125,063,000
Average balance during the year | $ 63,472,000 | $ 64,888,000 | $ 99,622,000
Weighted average rate at December 31 | 0.22% | 0.23% | 0.88%
Average interest rate paid during the year | 0.24% | 0.36% | 2.24%
Federal Funds Purchased |  |  |
Repurchase Agreement Counterparty [Line Items] |  |  |
Average balance during the year | $ 0 | $ 0 | $ 0
Average interest rate paid during the year | 0.00% | 0.00% | 0.00%

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- Definition The calculated average balance during the year. + References No definition available. + Details
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- Definition The calculated average interest rate paid during the year. + References No definition available. + Details
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- Definition The maximum month end balance of securities sold under repurchase agreements. + References No definition available. + Details
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- Definition The calculated weighted average interest rate. + References No definition available. + Details
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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. + Details
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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 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=49176635&loc=d3e9760-107771 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(1)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(1)(a)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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