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Capital Ratios (Details)	Sep. 30, 2019	Dec. 31, 2018
Capital Requirements
Total Capital (to Risk Weighted Assets), Actual Ratio (as a percent)	19.85%	19.74%
CET 1 ratio	17.98%	17.55%
Tier 1 capital (to Average Assets), Actual Ratio (as a percent)	16.06%	15.87%
Tier 1 capital (to Risk Weighted Assets), Actual Ratio (as a percent)	19.20%	19.06%

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Total Capital divided by risk weighted assets as defined in the regulations.

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Percentage of Common Equity Tier One Risk-based Capital to total risk-weighted assets, as defined by regulatory framework.

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Tier 1 Leverage Capital divided by average assets as defined in the regulations.

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