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Derivative Financial Instruments - Net Gains (Losses) Relating to Derivative Instruments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Derivative [Line Items] |  |  |  |
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Mortgage revenue | Mortgage revenue | Mortgage revenue | Mortgage revenue
Interest rate lock commitments | Designated as Hedging Instrument |  |  |  |
Derivative [Line Items] |  |  |  |
Net change in fair value of interest rate swaps | $ (111) | $ 537 | $ 38 | $ 1,502
Forward sales commitments | Designated as Hedging Instrument |  |  |  |
Derivative [Line Items] |  |  |  |
Net change in fair value of interest rate swaps | 295 | (1,438) | 82 | (3,616)
Net gains (losses) | Designated as Hedging Instrument |  |  |  |
Derivative [Line Items] |  |  |  |
Net change in fair value of interest rate swaps | $ 184 | $ (901) | $ 120 | $ (2,114)

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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 Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative. + 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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