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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 | 9 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Financial Instrument [Line Items] |  |  |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | $ 7,332 | $ 782 | $ (877) | $ 2,404
Mortgage Loans Held for Sale [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | (4,396) | (1,704) | (7,271) | (1,962)
Forward Sales of Mortgage Backed Securities [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | 24,952 | 3,877 | 22,199 | 4,893
Interest Rate Lock Commitments [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | (13,015) | (1,440) | (15,708) | (940)
Whole Loan Contracts [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | $ (209) | $ 49 | $ (97) | $ 413

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