Regulatory Capital (Tables)

6 Months Ended

Jun. 30, 2021

Banking and Thrift, Other Disclosures [Abstract]

Schedule of compliance with regulatory capital requirements under banking regulations

The following capital amounts and ratios are based upon the Bank’s average assets and risk-weighted assets, as indicated.

	Actual				U.S. Basel III Minimum Requirements Plus Buffer(1)(2)
	Amount		Ratio		Amount			Ratio
As of June 30, 2021:
Common Equity Tier 1 Capital (to Risk-Weighted Assets)	$	3,190,257	13.7	%	$	1,636,018	>	7.0	%
Tier 1 Capital (to Risk-Weighted Assets)	$	3,190,257	13.7	%	$	1,986,593	>	8.5	%
Total Capital (to Risk-Weighted Assets)	$	3,276,009	14.0	%	$	2,454,027	>	10.5	%
Tier 1 Capital (to Average Assets)	$	3,190,257	10.5	%	$	1,218,407	>	4.0	%
As of December 31, 2020:
Common Equity Tier 1 Capital (to Risk-Weighted Assets)	$	3,579,005	14.0	%	$	1,794,780	>	7.0	%
Tier 1 Capital (to Risk-Weighted Assets)	$	3,579,005	14.0	%	$	2,179,375	>	8.5	%
Total Capital (to Risk-Weighted Assets)	$	3,849,820	15.0	%	$	2,692,169	>	10.5	%
Tier 1 Capital (to Average Assets)	$	3,579,005	11.3	%	$	1,264,424	>	4.0	%

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(1)     Reflects the U.S. Basel III minimum required ratio plus the applicable capital conservation buffer.

(2)    The Bank’s regulatory capital ratios also exceeded all applicable standards for the Bank to qualify as “well capitalized” under the prompt corrective action framework.