Regulatory Matters - Schedule of Minimum Capital Ratios Plus the Applicable Increment of the Capital Conservation (Details)	Dec. 31, 2016
Regulatory Capital Requirements [Abstract]
CET-1 to risk-weighted assets	5.125%
Tier 1 capital (i.e., CET-1 plus Additional Tier 1) to risk-weighted assets	6.625%
Total capital (i.e., Tier 1 plus Tier 2) to risk-weighted assets	8.625%
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%