Regulatory Capital (Tables)

6 Months Ended

Jun. 30, 2018

Banking and Thrift [Abstract]

Schedule of compliance with regulatory capital requirements under banking regulations

The following capital amounts and ratios are based upon the Bank’s assets.

	Actual				“Well Capitalized” Regulatory Requirements
	Amount		Ratio		Amount			Ratio
As of June 30, 2018:
Common Equity Tier 1 Capital (to Risk-Weighted Assets)	$	2,617,021	12.0	%	$	1,417,350	>	6.5	%
Tier 1 Capital (to Risk-Weighted Assets)	$	2,617,021	12.0	%	$	1,744,431	>	8.0	%
Total Capital (to Risk-Weighted Assets)	$	2,889,876	13.3	%	$	2,180,539	>	10.0	%
Tier 1 Capital (to Average Assets)	$	2,617,021	11.2	%	$	1,164,750	>	5.0	%
As of December 31, 2017:
Common Equity Tier 1 Capital (to Risk-Weighted Assets)	$	2,350,081	11.9	%	$	1,288,435	>	6.5	%
Tier 1 Capital (to Risk-Weighted Assets)	$	2,350,081	11.9	%	$	1,585,767	>	8.0	%
Total Capital (to Risk-Weighted Assets)	$	2,597,926	13.1	%	$	1,982,208	>	10.0	%
Tier 1 Capital (to Average Assets)	$	2,350,081	11.0	%	$	1,067,739	>	5.0	%