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Derivative Financial Instruments - Schedule of Notional Amounts of Derivative Contracts Outstanding (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
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Derivative [Line Items] |  |
Notional amount | $ 6,683,375 | $ 6,828,335
Derivative contracts to manage future loan sale execution risk | Interest rate swaps |  |
Derivative [Line Items] |  |
Notional amount | 5,428,177 | 5,638,177
Derivative contracts to manage future loan sale execution risk | Interest rate caps |  |
Derivative [Line Items] |  |
Notional amount | 405,000 | 405,000
Derivative contracts to manage future loan sale execution risk | Home loan pipeline hedges |  |
Derivative [Line Items] |  |
Notional amount | 140,000 | 126,000
Derivative contracts not designed to manage future loan sale execution risk | Interest rate swaps |  |
Derivative [Line Items] |  |
Notional amount | 196,823 | 171,823
Derivative contracts not designed to manage future loan sale execution risk | Interest rate caps |  |
Derivative [Line Items] |  |
Notional amount | 405,000 | 405,000
Derivative contracts not designed to manage future loan sale execution risk | IRLCs |  |
Derivative [Line Items] |  |
Notional amount | $ 108,375 | $ 82,335

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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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