Regulatory Requirements and Restrictions - New minimum capital ratios (Details)	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Regulatory Requirements and Restrictions
Capital conservation buffer requirement	1.875%	1.25%	0.625%

The capital conservation buffer is designed to ensure that capital buffers are built up outside periods of stress which can be drawn down as losses are incurred.

No definition available.

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