Regulatory Capital (Tables)

3 Months Ended

Mar. 31, 2019

Banking and Thrift [Abstract]

Schedule of compliance with regulatory capital requirements under banking regulations

	Actual					U.S. Basel III Regulatory Requirements(1)
	Amount		Ratio			Amount			Ratio
As of March 31, 2019:
Common Equity Tier 1 Capital (to Risk-Weighted Assets)	$	2,989,525	11.9	%		$	1,757,430	>	7.0	%
Tier 1 Capital (to Risk-Weighted Assets)	$	2,989,525	11.9	%		$	2,134,022	>	8.5	%
Total Capital (to Risk-Weighted Assets)	$	3,303,905	13.2	%		$	2,636,145	>	10.5	%
Tier 1 Capital (to Average Assets)	$	2,989,525	11.0	%	(2)	$	1,085,405	>	4.0	%
As of December 31, 2018:
Common Equity Tier 1 Capital (to Risk-Weighted Assets)	$	2,896,091	12.1	%		$	1,528,209	>	6.375	%
Tier 1 Capital (to Risk-Weighted Assets)	$	2,896,091	12.1	%		$	1,887,787	>	7.875	%
Total Capital (to Risk-Weighted Assets)	$	3,196,279	13.3	%		$	2,367,226	>	9.875	%
Tier 1 Capital (to Average Assets)	$	2,896,091	11.1	%		$	1,039,226	>	4.0	%

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⁽¹⁾ Required risk-based capital ratios include the capital conservation buffer.

⁽²⁾  The Bank’s Tier 1 leverage ratio exceeds the 5 percent well-capitalized standard for the Tier 1 leverage ratio under the prompt corrective action framework.