v3.8.0.1

Securities - Additional Information (Details) | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Schedule Of Available For Sale Securities [Line Items] |  |
Weighted average yield, total | 5.13% | 0.90%
Agency Mortgage-backed Securities |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Weighted average yield, total | 2.55% | 2.58%

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- Details
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