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Derivative Financial Instruments - Schedule of Effect of the Derivative Designated as a Hedging Instrument on the Consolidated Statements of Income Derivative in Fair Value Hedging Relationship (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Derivatives designated as hedging instruments |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivative | $ 0 | $ (95) | $ 1,832 | $ (710)
Derivatives not designated as hedging instruments |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivative | 569 | (337) | 1,081 | (1,283)
Interest rate contracts | Cash Flow Hedging | Derivatives designated as hedging instruments |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivative | 0 | (95) | 1,832 | (710)
Interest rate contracts | Fair Value Hedging | Derivatives not designated as hedging instruments | Interest income – loans receivable |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivative | 340 | (5) | 774 | (169)
Interest rate contracts | Fair Value Hedging | Derivatives not designated as hedging instruments | Interest income – investment securities |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivative | 53 | (13) | 163 | (125)
Mortgage loan contracts | Derivatives not designated as hedging instruments |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivative | (6) | (178) | 26 | (92)
Commitments to originate mortgage loans | Derivatives not designated as hedging instruments |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivative | $ 182 | $ (141) | $ 118 | $ (897)

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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 -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E + Details
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