v3.8.0.1

Regulatory Matters - Schedule of Minimum Capital Ratios Plus the Applicable Increment of the Capital Conservation (Details) | Dec. 31, 2017
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Regulatory Capital Requirements [Abstract] |
CET-1 to risk-weighted assets | 5.75%
Tier 1 capital (i.e., CET-1 plus Additional Tier 1) to risk-weighted assets | 7.25%
Total capital (i.e., Tier 1 plus Tier 2) to risk-weighted assets | 9.25%
CET-1 to risk-weighted assets | 7.00%
Tier 1 capital (i.e., CET-1 plus Additional Tier 1) to risk-weighted assets | 8.50%
Total capital (i.e., Tier 1 plus Tier 2) to risk-weighted assets | 10.50%

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