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Investment Securities Available for Sale, at Fair Value - Weighted Average Lives for Available-for-Sale Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
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Investments, Debt and Equity Securities [Abstract] |  |
0 to 5 years | $ 343,573 | $ 1,359,894
Over 5 to 10 years | 183,910 | 521,517
10+ years | 76,214 | 124,729
Total | $ 603,697 | $ 2,006,140

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- Definition Debt Securities, Available-For-Sale, Including Fair Value Option + References No definition available. + Details
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- Definition Debt Securities, Trading, Available-For-Sale, Debt Maturities, Zero Through Year Five, Fair Value + References No definition available. + Details
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- Definition Debt Securities, Trading, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value + References No definition available. + Details
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- Definition Debt Securities, Trading, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value + References No definition available. + Details
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- References No definition available. + Details
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