Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2015

Banking and Thrift [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 for an adequately capitalized and a well-capitalized depository institution, as of December 31, 2015 and 2014:

	Capital Ratios						Capital Amounts
(Dollars in thousands)	Actual		Well Capitalized Minimum		Adequately Capitalized Minimum		Actual		Well Capitalized Minimum		Adequately Capitalized Minimum
December 31, 2015: (1)
CET 1 risk-based capital (2):
SVB Financial	12.28	%	6.5	%	4.5	%	$	3,183,206	$	1,684,774	$	1,166,382
Bank	12.52		6.5		4.5		3,043,435		1,579,568		1,093,547
Tier 1 risk-based capital:
SVB Financial	12.83		8.0		6.0		3,325,245		2,073,567		1,555,176
Bank	12.52		8.0		6.0		3,043,435		1,944,083		1,458,063
Total risk-based capital:
SVB Financial	13.84		10.0		8.0		3,586,466		2,591,959		2,073,567
Bank	13.60		10.0		8.0		3,304,537		2,430,104		1,944,083
Tier 1 leverage:
SVB Financial	7.63		N/A		4.0		3,325,245		N/A		1,743,555
Bank	7.09		5.0		4.0		3,043,435		2,147,532		1,718,026
December 31, 2014:
Tier 1 risk-based capital:
SVB Financial	12.91	%	6.0	%	4.0	%	$	2,808,948	$	1,305,726	$	870,484
Bank	11.09		6.0		4.0		2,379,991		1,287,473		858,315
Total risk-based capital:
SVB Financial	13.92		10.0		8.0		3,030,150		2,176,210		1,740,968
Bank	12.12		10.0		8.0		2,600,011		2,145,788		1,716,630
Tier 1 leverage:
SVB Financial	7.74		N/A		4.0		2,808,948		N/A		1,450,927
Bank	6.64		5.0		4.0		2,379,991		1,793,264		1,434,611