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Derivative Financial Instruments - Interest Rate Swaps Designated as Cash Flow Hedges (Details) - Cash Flow Hedging - Interest rate swap - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2021 | Dec. 31, 2020
Derivative [Line Items] |  |  |
Notional amount | $ 70,000 | $ 70,000 | $ 70,000
Weighted average fixed pay rates | 1.80% | 1.80% | 1.80%
Weighted average variable 3 month LIBOR receive rates | 0.12% | 0.12% | 0.22%
Weighted average maturity in years |  | 2 years 4 months 9 days | 2 years 10 months 6 days
Unrealized gains (losses), net of tax |  | $ (1,438) | $ (2,184)
Interest expense on swap transactions | $ 300 | 600 |
Unrealized loss to be reclassified from OCI to interest expense during next twelve months |  | (300) |
Other liabilities |  |  |
Derivative [Line Items] |  |  |
Fair value recorded in other liabilities | $ 2,000 | $ 2,000 | $ 3,100

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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994 + Details
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- Definition Average fixed interest rate related to the group of interest rate derivatives. + References No definition available. + Details
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- Definition Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Average variable interest rate related to the group of interest rate derivatives. + References No definition available. + Details
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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 + Details
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- Definition Amount of liability hedged in fair value hedging relationship. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL109999712-113959 + Details
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