Regulatory Capital (Tables)

3 Months Ended

Mar. 31, 2019

Regulatory Capital Requirements [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations

The following table summarizes the Company’s and the Bank’s regulatory capital ratios at March 31, 2019 and December 31, 2018, as well as the minimum regulatory capital ratios required for the Bank to be deemed “well-capitalized.” 

	At March 31, 2019				Required for capital adequacy purposes effective				To be well-capitalized under prompt corrective action regulations
	Company		Bank		January 1, 2019				Bank
Leverage ratio	10.09	%	9.71	%	4.00	%			5.00	%
CET1	11.78	%	12.14	%	7.00	%	(1	)	6.50	%
Tier I risk-based capital ratio	12.62	%	12.14	%	8.50	%	(1	)	8.00	%
Total risk-based capital ratio	13.87	%	13.39	%	10.50	%	(1	)	10.00	%

	At December 31, 2018				Required for capital adequacy purposes effective								To be well-capitalized under prompt corrective action regulations
	Company		Bank		January 1, 2018				January 1, 2019				Bank
Leverage ratio	9.90	%	9.52	%	4.000	%			4.00	%			5.00	%
CET1	11.40	%	11.80	%	6.375	%	(2	)	7.00	%	(1	)	6.50	%
Tier I risk-based capital ratio	12.24	%	11.80	%	7.875	%	(2	)	8.50	%	(1	)	8.00	%
Total risk-based capital ratio	13.49	%	13.05	%	9.875	%	(2	)	10.50	%	(1	)	10.00	%
(1) Includes 2.5% capital conservation buffer.
(2) Includes 1.875% capital conservation buffer.