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Investment Securities - Schedule Of Amortized Cost And Fair Value By Contractual Maturity (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Held-to-Maturity, Amortized Cost |  |
Within 1 year | $ 0 |
After 1 year; within 5 years | 0 |
After 5 years; within 10 years | 10,000 |
After 10 years | 0 |
Subtotal | 10,000 |
Government agency issued MBS and CMO | 0 |
Total | 10,000 | $ 10,000
Held-to-Maturity, Fair Value |  |
Within 1 year | 0 |
After 1 year; within 5 years | 0 |
After 5 years; within 10 years | 9,881 |
After 10 years | 0 |
Subtotal | 9,881 |
Government agency issued MBS and CMO | 0 |
Securities held to maturity, fair value | 9,881 | 10,001
Available-for-Sale, Amortized Cost |  |
Within 1 year | 1,106,238 |
After 1 year; within 5 years | 137,571 |
After 5 years; within 10 years | 3,573 |
After 10 years | 278,705 |
Subtotal | 1,526,087 |
Government agency issued MBS and CMO | 3,767,659 |
Securities available for sale, amortized cost | 5,293,746 |
Available-for-Sale, Fair Value |  |
Within 1 year | 1,108,000 |
After 1 year; within 5 years | 142,491 |
After 5 years; within 10 years | 9,623 |
After 10 years | 313,395 |
Subtotal | 1,573,509 |
Government agency issued MBS and CMO | 3,902,647 |
Securities available-for-sale | $ 5,476,156 | $ 4,445,403

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