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Fair Value Measurements (Loss) Gain On Assets and Liabilities Measured On A Recurring Basis (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Financial Instrument [Line Items] |  |  |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | $ (570) | $ (8,708) | $ 7,758 | $ (8,209)
Mortgage Loans Held for Sale [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | (3,139) | 3,081 | 836 | (2,875)
Forward Sales of Mortgage Backed Securities [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | 4,632 | (16,312) | 5,867 | (2,753)
Interest Rate Lock Commitments [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | (2,537) | 4,536 | 961 | (2,693)
Whole Loan Contracts [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | $ 474 | $ (13) | $ 94 | $ 112

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