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Fair Value Measurements (Quantitative information about Level 3 Fair Value Measurements - Recurring) (Details) $ in Thousands | Sep. 30, 2021 USD ($) item | Dec. 31, 2020 USD ($) item
--- | --- | ---
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Assets, Fair Value | $ | $ 152,473 | $ 90,610
Significant Unobservable Inputs (Level 3) [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Assets, Fair Value | $ | 175 | 425
IRLCs - Asset [Member] | Fair Value, Recurring [Member] | Valuation, Market Approach [Member] | Significant Unobservable Inputs (Level 3) [Member] | Measurement Input, Range Of Pull Through Rate [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Assets, Fair Value | $ | $ 175 | $ 425
IRLCs - Asset [Member] | Fair Value, Recurring [Member] | Minimum [Member] | Valuation, Market Approach [Member] | Significant Unobservable Inputs (Level 3) [Member] | Measurement Input, Range Of Pull Through Rate [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Assets, Range (Weighted Average) | item | 70 | 70
IRLCs - Asset [Member] | Fair Value, Recurring [Member] | Maximum [Member] | Valuation, Market Approach [Member] | Significant Unobservable Inputs (Level 3) [Member] | Measurement Input, Range Of Pull Through Rate [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Assets, Range (Weighted Average) | item | 100 | 100
IRLCs - Asset [Member] | Fair Value, Recurring [Member] | Weighted Average [Member] | Valuation, Market Approach [Member] | Significant Unobservable Inputs (Level 3) [Member] | Measurement Input, Range Of Pull Through Rate [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Assets, Range (Weighted Average) | item | 85 | 85

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