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Derivative Financial Instruments - Effect of Derivative Instruments on Consolidated Statements of Income Derivative in Fair Value Hedging Relationship (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Derivatives designated as hedging instruments |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain (loss) recognized on derivative | $ (628) | $ (1,901) | $ (1,838)
Derivatives not designated as hedging instruments |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain (loss) recognized on derivative | (703) | (885) | 413
Interest rate contract | Derivatives designated as hedging instruments | Cash Flow Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain (loss) recognized on derivative | (628) | (1,901) | (1,838)
Interest rate contract | Derivatives not designated as hedging instruments | Fair Value Hedging | Interest income – loans receivable |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain (loss) recognized on derivative | (39) | (372) | (223)
Interest rate contract | Derivatives not designated as hedging instruments | Fair Value Hedging | Interest income – investment securities |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain (loss) recognized on derivative | (99) | (267) | (183)
Mortgage loan contracts | Derivatives not designated as hedging instruments |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain (loss) recognized on derivative | 188 | (238) | 38
Commitments to originate mortgage loans | Derivatives not designated as hedging instruments |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain (loss) recognized on derivative | $ (753) | $ (8) | $ 781

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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 https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + 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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