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Fair Value Measurement and Fair Value of Financial Instruments (Quantitative Information for Significant Unobservable Inputs) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Quantitative information |  |
Derivative assets - Fair value | $ 694,010 | $ 602,754
Fair Value, Measurements, Recurring |  |
Quantitative information |  |
Derivative assets - Fair value | 694,010 | 602,754
Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Loans held-for-investment, fair value disclosure | 138,330 | 189,862
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring |  |
Quantitative information |  |
Derivative assets - Fair value | 220 | 273
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Loans held-for-investment, fair value disclosure | 138,330 | 189,862
Significant Unobservable Inputs (Level 3) | Discounted cash flows | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Loans held-for-investment, fair value disclosure | 89,442 | 104,783
Significant Unobservable Inputs (Level 3) | Fair value of collateral, discount | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Loans held-for-investment, fair value disclosure | 32,636 | 22,207
Significant Unobservable Inputs (Level 3) | Fair value of property, selling cost | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Loans held-for-investment, fair value disclosure | 15,252 | 46,993
Significant Unobservable Inputs (Level 3) | Fair value of collateral, contract value | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Loans held-for-investment, fair value disclosure | 1,000 | 15,879
OREO | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Assets, fair value disclosure |  | 15,824
OREO | Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Assets, fair value disclosure |  | 15,824
OREO | Significant Unobservable Inputs (Level 3) | Fair value of property, selling cost | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Assets, fair value disclosure |  | 15,824
Other nonperforming assets | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Assets, fair value disclosure | 699 |
Other nonperforming assets | Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Assets, fair value disclosure | 699 |
Other nonperforming assets | Significant Unobservable Inputs (Level 3) | Fair value of collateral, contract value | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Assets, fair value disclosure | 699 |
Investments in tax credit and other investments, net | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Assets, fair value disclosure |  | 3,140
Investments in tax credit and other investments, net | Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Assets, fair value disclosure |  | 3,140
Investments in tax credit and other investments, net | Significant Unobservable Inputs (Level 3) | Individual analysis of each investment, expected future tax benefits and distributions | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Assets, fair value disclosure |  | 3,140
Equity contracts | Fair Value, Measurements, Recurring |  |
Quantitative information |  |
Derivative assets - Fair value | 226 | 858
Equity contracts | Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring |  |
Quantitative information |  |
Derivative assets - Fair value | $ 220 | $ 273
Equity volatility | Equity contracts | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model | Fair Value, Measurements, Recurring | Weighted Average |  |
Quantitative information |  |
Measurement input | 49.00% | 53.00%
Equity volatility | Equity contracts | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model | Fair Value, Measurements, Recurring | Minimum |  |
Quantitative information |  |
Measurement input | 45.00% | 46.00%
Equity volatility | Equity contracts | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model | Fair Value, Measurements, Recurring | Maximum |  |
Quantitative information |  |
Measurement input | 54.00% | 61.00%
Liquidity discount | Equity contracts | Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring |  |
Quantitative information |  |
Measurement input | 47.00% | 47.00%
Liquidity discount | Equity contracts | Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring | Weighted Average |  |
Quantitative information |  |
Measurement input | 47.00% | 47.00%
Discount | Significant Unobservable Inputs (Level 3) | Discounted cash flows | Fair Value, Measurements, Nonrecurring | Weighted Average |  |
Quantitative information |  |
Loans held-for-investment, measurement input | 7.00% | 11.00%
Discount | Significant Unobservable Inputs (Level 3) | Discounted cash flows | Fair Value, Measurements, Nonrecurring | Minimum |  |
Quantitative information |  |
Loans held-for-investment, measurement input | 4.00% | 3.00%
Discount | Significant Unobservable Inputs (Level 3) | Discounted cash flows | Fair Value, Measurements, Nonrecurring | Maximum |  |
Quantitative information |  |
Loans held-for-investment, measurement input | 15.00% | 15.00%
Discount | Significant Unobservable Inputs (Level 3) | Fair value of collateral, discount | Fair Value, Measurements, Nonrecurring | Weighted Average |  |
Quantitative information |  |
Loans held-for-investment, measurement input | 40.00% | 15.00%
Discount | Significant Unobservable Inputs (Level 3) | Fair value of collateral, discount | Fair Value, Measurements, Nonrecurring | Minimum |  |
Quantitative information |  |
Loans held-for-investment, measurement input | 15.00% | 10.00%
Discount | Significant Unobservable Inputs (Level 3) | Fair value of collateral, discount | Fair Value, Measurements, Nonrecurring | Maximum |  |
Quantitative information |  |
Loans held-for-investment, measurement input | 81.00% | 26.00%
Selling cost | Significant Unobservable Inputs (Level 3) | Fair value of property, selling cost | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Loans held-for-investment, measurement input | 8.00% |
OREO, measurement input |  | 0.08
Selling cost | Significant Unobservable Inputs (Level 3) | Fair value of property, selling cost | Fair Value, Measurements, Nonrecurring | Weighted Average |  |
Quantitative information |  |
Loans held-for-investment, measurement input | 8.00% | 10.00%
OREO, measurement input |  | 0.08
Selling cost | Significant Unobservable Inputs (Level 3) | Fair value of property, selling cost | Fair Value, Measurements, Nonrecurring | Minimum |  |
Quantitative information |  |
Loans held-for-investment, measurement input |  | 7.00%
Selling cost | Significant Unobservable Inputs (Level 3) | Fair value of property, selling cost | Fair Value, Measurements, Nonrecurring | Maximum |  |
Quantitative information |  |
Loans held-for-investment, measurement input |  | 26.00%

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