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Fair Value Measurement and Fair Value of Financial Instruments (Increase (Decrease) in Value of Assets Measured on a Nonrecurring Basis) (Details) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Loans held-for-investment |  |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |  |
Increase (decrease) in fair value of assets | $ (19,815) | $ (57,127) | $ (35,358)
Loans held-for-investment | Commercial Lending |  |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |  |
Increase (decrease) in fair value of assets | (19,811) | (59,443) | (35,356)
Loans held-for-investment | Commercial Lending | C&I |  |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |  |
Increase (decrease) in fair value of assets | (9,580) | (48,154) | (35,365)
Loans held-for-investment | Commercial Lending | CRE |  |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |  |
Increase (decrease) in fair value of assets | (10,231) | (11,289) | 9
Loans held-for-investment | Consumer Lending |  |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |  |
Increase (decrease) in fair value of assets | (4) | 2,316 | (2)
Loans held-for-investment | Consumer Lending | HELOCs |  |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |  |
Increase (decrease) in fair value of assets | (4) | (175) | (2)
Loans held-for-investment | Consumer Lending | Other consumer |  |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |  |
Increase (decrease) in fair value of assets | 0 | 2,491 | 0
Investments in tax credit and other investments, net |  |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |  |
Increase (decrease) in fair value of assets | 877 | (3,868) | (13,023)
OREO |  |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |  |
Increase (decrease) in fair value of assets | 0 | (3,680) | (8)
Other nonperforming assets |  |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |  |
Increase (decrease) in fair value of assets | $ (4,241) | $ 0 | $ (3,000)

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