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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
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Mar. 31, 2022 | Mar. 31, 2021
Financial Instrument [Line Items] |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | $ 500 | $ 202
Mortgage Loans Held for Sale [Member] |  |
Financial Instrument [Line Items] |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | (5,956) | (6,940)
Forward Sales of Mortgage Backed Securities [Member] |  |
Financial Instrument [Line Items] |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | 13,560 | 9,347
Interest Rate Lock Commitments [Member] |  |
Financial Instrument [Line Items] |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | (7,229) | (2,618)
Whole Loan Contracts [Member] |  |
Financial Instrument [Line Items] |  |
Gain (Loss) On Assets and Liabilities Measured On A Recurring Basis | $ 125 | $ 413

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