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Fair Value Disclosures (Schedule of Assets and Liabilities Measured at Fair Value) (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 USD ($) $ / item | Dec. 31, 2021 USD ($) $ / item
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Mortgage loans held for sale | $ 198,985 | $ 353,063
Derivative liabilities |  | $ 359
Mortgage servicing rights, cost to service per year per loan | $ / item | 0.090 | 0.085
Prepayment Rate [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Mortgage servicing rights rates | 7.1 | 8.5
Discount Rate [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Mortgage servicing rights rates | 9.9 | 9.9
Level 2 [Member] | Recurring [Member] | Mortgage Loan Held For Sale [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Mortgage loans held for sale | $ 198,985 | $ 353,063
Level 2 [Member] | Recurring [Member] | Prepaid Expenses And Other Assets [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Derivative assets | 9,583 | 5,944
Level 2 [Member] | Recurring [Member] | Accrued Expenses And Other Liabilities [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Derivative liabilities |  | 359
Level 3 [Member] | Recurring [Member] | Prepaid Expenses And Other Assets [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Mortgage loans held for investment | 16,509 | 13,456
Mortgage servicing rights | $ 18,050 | $ 13,701

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