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Fair Value Accounting and Measurement (IRL Quantitative Information About Level 3 Fair Value Measurements) (Details) - Interest Rate Lock Commitments $ in Thousands | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
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Measurement input pull through rate member | Valuation technique internal pricing model member | Minimum | Fair Value, Inputs, Level 3 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest rate derivative asset, Measurement Input | 0.8022 | 0.7543
Measurement input pull through rate member | Valuation technique internal pricing model member | Maximum | Fair Value, Inputs, Level 3 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest rate derivative asset, Measurement Input | 0.9659 | 0.9663
Measurement input pull through rate member | Valuation technique internal pricing model member | Weighted Average | Fair Value, Inputs, Level 3 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest rate derivative asset, Measurement Input | 0.8784 | 0.8813
Fair Value, Recurring |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest rate derivative assets, at fair value | $ 356 | $ 1,096
Fair Value, Recurring | Fair Value, Inputs, Level 3 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest rate derivative assets, at fair value | $ 356 | $ 1,096

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