Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2020

Banking and Thrift, Other Disclosures [Abstract]

Capital Ratios for Company and Bank under Federal Regulatory Guidelines, Compared to Minimum Regulatory Capital Requirements for Adequately Capitalized and Well Capitalized Depository Institution

The following table presents the capital ratios for the Company and the Bank under federal regulatory guidelines, compared to the minimum regulatory capital requirements, as of December 31, 2020 and 2019:

	Capital Ratios					Capital Amounts
(Dollars in thousands)	Actual		Required Minimum (1)		Well Capitalized Minimum	Actual		Required Minimum (1)		Well Capitalized Minimum
December 31, 2020:
CET 1 risk-based capital:
SVB Financial	11.04	%	7.0	%	N/A	$	7,138,006	$	4,527,647	N/A
Bank	10.70		7.0		6.5	6,530,167		4,271,642		$	3,966,525
Tier 1 risk-based capital:
SVB Financial	11.89		8.5		6.0	7,691,936		5,497,857		3,880,840
Bank	10.70		8.5		8.0	6,530,167		5,186,994		4,881,877
Total risk-based capital:
SVB Financial	12.64		10.5		10.0	8,175,430		6,791,470		6,468,066
Bank	11.49		10.5		10.0	7,013,630		6,407,463		6,102,346
Tier 1 leverage:
SVB Financial	7.45		4.0		N/A	7,691,936		4,128,596		N/A
Bank	6.43		4.0		5.0	6,530,167		4,060,180		5,075,225
December 31, 2019:
CET 1 risk-based capital:
SVB Financial	12.58	%	7.0	%	N/A	$	5,857,744	$	3,260,424	N/A
Bank	11.12		7.0		6.5	4,949,393		3,115,151		$	2,892,640
Tier 1 risk-based capital:
SVB Financial	13.43		8.5		6.0	6,257,442		3,959,086		2,794,649
Bank	11.12		8.5		8.0	4,949,393		3,782,683		3,560,172
Total risk-based capital:
SVB Financial	14.23		10.5		10.0	6,630,022		4,890,636		4,657,748
Bank	11.96		10.5		10.0	5,321,850		4,672,726		4,450,215
Tier 1 leverage:
SVB Financial	9.06		4.0		N/A	6,257,442		2,763,146		N/A
Bank	7.30		4.0		5.0	4,949,393		2,713,367		3,391,709

N/A     "Well-Capitalized Minimum" CET 1 risk-based capital and Tier 1 leverage ratios are not formally defined under applicable banking regulations for bank holding companies.

(1)     The percentages represent the minimum capital ratios plus, the fully phased-in 2.5% CET1 capital conservation buffer under the Capital Rules.