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Fair Value Measurement and Fair Value of Financial Instruments (Quantitative Information for Significant Unobservable Inputs) (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Dec. 31, 2018
Quantitative information |  |
Derivative assets - Fair value | $ 242,876 | $ 107,816
Fair Value, Measurements, Recurring |  |
Quantitative information |  |
Derivative assets - Fair value | 242,876 | 107,816
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring |  |
Quantitative information |  |
Derivative assets - Fair value | 392 | 673
Significant Unobservable Inputs (Level 3) | Individual analysis of each investment, expected future tax benefits and distributions | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Investments in tax credit and other investments, net | 0 |
Non-PCI Loans | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Non-PCI impaired loans | 39,186 | 32,858
Non-PCI Loans | Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Non-PCI impaired loans | 39,186 | 32,858
Non-PCI Loans | Significant Unobservable Inputs (Level 3) | Discounted cash flows | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Non-PCI impaired loans | 9,595 | 16,921
Non-PCI Loans | Significant Unobservable Inputs (Level 3) | Fair value of collateral, discount | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Non-PCI impaired loans | 26,798 | 2,751
Non-PCI Loans | Significant Unobservable Inputs (Level 3) | Fair value of property, selling cost | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Non-PCI impaired loans |  | 1,687
Non-PCI Loans | Significant Unobservable Inputs (Level 3) | Fair value of collateral, contract value | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Non-PCI impaired loans | 2,793 | 11,499
OREO | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
OREO | 130 |
OREO | Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
OREO | 130 |
OREO | Significant Unobservable Inputs (Level 3) | Fair value of property, selling cost | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
OREO | 130 |
Equity warrants | Fair Value, Measurements, Recurring |  |
Quantitative information |  |
Derivative assets - Fair value | 1,985 | 1,951
Equity warrants | Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring |  |
Quantitative information |  |
Derivative assets - Fair value | $ 392 | $ 673
Equity volatility | Equity warrants | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model | Fair Value, Measurements, Recurring | Weighted Average |  |
Quantitative information |  |
Measurement input | 49.00% |
Equity volatility | Equity warrants | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model | Fair Value, Measurements, Recurring | Minimum |  |
Quantitative information |  |
Measurement input | 43.00% |
Equity volatility | Equity warrants | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model | Fair Value, Measurements, Recurring | Maximum |  |
Quantitative information |  |
Measurement input | 51.00% |
Liquidity discount | Equity warrants | Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring |  |
Quantitative information |  |
Measurement input | 47.00% |
Liquidity discount | Equity warrants | Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring | Weighted Average |  |
Quantitative information |  |
Measurement input | 47.00% |
Discount | Non-PCI Loans | Significant Unobservable Inputs (Level 3) | Discounted cash flows | Fair Value, Measurements, Nonrecurring | Weighted Average |  |
Quantitative information |  |
Non-PCI impaired loans, measurement input | 9.00% | 6.00%
Discount | Non-PCI Loans | Significant Unobservable Inputs (Level 3) | Discounted cash flows | Fair Value, Measurements, Nonrecurring | Minimum |  |
Quantitative information |  |
Non-PCI impaired loans, measurement input | 4.00% | 4.00%
Discount | Non-PCI Loans | Significant Unobservable Inputs (Level 3) | Discounted cash flows | Fair Value, Measurements, Nonrecurring | Maximum |  |
Quantitative information |  |
Non-PCI impaired loans, measurement input | 14.00% | 7.00%
Discount | Non-PCI Loans | Significant Unobservable Inputs (Level 3) | Fair value of collateral, discount | Fair Value, Measurements, Nonrecurring | Weighted Average |  |
Quantitative information |  |
Non-PCI impaired loans, measurement input | 37.00% | 21.00%
Discount | Non-PCI Loans | Significant Unobservable Inputs (Level 3) | Fair value of collateral, discount | Fair Value, Measurements, Nonrecurring | Minimum |  |
Quantitative information |  |
Non-PCI impaired loans, measurement input | 20.00% | 15.00%
Discount | Non-PCI Loans | Significant Unobservable Inputs (Level 3) | Fair value of collateral, discount | Fair Value, Measurements, Nonrecurring | Maximum |  |
Quantitative information |  |
Non-PCI impaired loans, measurement input | 55.00% | 50.00%
Selling cost | Non-PCI Loans | Significant Unobservable Inputs (Level 3) | Fair value of property, selling cost | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
Non-PCI impaired loans, measurement input |  | 8.00%
Selling cost | Non-PCI Loans | Significant Unobservable Inputs (Level 3) | Fair value of property, selling cost | Fair Value, Measurements, Nonrecurring | Weighted Average |  |
Quantitative information |  |
Non-PCI impaired loans, measurement input |  | 8.00%
Selling cost | OREO | Significant Unobservable Inputs (Level 3) | Fair value of property, selling cost | Fair Value, Measurements, Nonrecurring |  |
Quantitative information |  |
OREO, measurement input | 8.00% |
Selling cost | OREO | Significant Unobservable Inputs (Level 3) | Fair value of property, selling cost | Fair Value, Measurements, Nonrecurring | Weighted Average |  |
Quantitative information |  |
OREO, measurement input | 8.00% |

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