Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands		Total		Common stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income	Total SVBFG Stockholders’ Equity	Noncontrolling Interests
Balance (in shares) (Previously Reported) at Dec. 31, 2012				44,627,182
Balance (in shares) at Dec. 31, 2012				44,627,182
Balance (Previously Reported) at Dec. 31, 2012		$ 2,605,233		$ 45	$ 547,079	$ 1,174,878	$ 108,553	$ 1,830,555	$ 774,678
Balance at Dec. 31, 2012				$ 45	547,079		108,553		774,678
Balance (Accounting Standards Update 2014-01) at Dec. 31, 2012		2,601,934				1,171,579		1,827,256
Common stock issued under employee benefit plans, net of restricted stock cancellations (in shares)				1,098,290
Common stock issued under employee benefit plans, net of restricted stock cancellations		41,404		$ 1	41,403			41,404
Common stock issued upon settlement of 3.875% Convertible Notes, net of shares received from associated convertible note hedge (in shares)				74,946
Common stock issued upon settlement of 3.875% Convertible Notes, net of shares received from associated convertible note hedge		5,166			5,166			5,166
Income tax benefit from stock options exercised, vesting of restricted stock and other		5,658			5,658			5,658
Net income	[5]	544,783	[1],[2],[3],[4]			214,517		214,517	330,266
Capital calls and distributions, net		8,114							8,114
Net change in unrealized gains on available-for-sale securities, net of tax		(154,013)					(154,013)	(154,013)
Foreign currency translation adjustments, net of tax		(3,304)					(3,304)	(3,304)
Share-based compensation expense		24,947			24,947			24,947
Other, net		4			3	1		4
Balance (in shares) at Dec. 31, 2013				45,800,418
Balance at Dec. 31, 2013		3,074,693		$ 46	624,256	1,386,097	(48,764)	1,961,635	1,113,058
Cumulative effect of adopting ASU 2014-01 | Accounting Standards Update 2014-01	[5]	(3,299)				(3,299)		(3,299)
Common stock issued under employee benefit plans, net of restricted stock cancellations (in shares)				608,745
Common stock issued under employee benefit plans, net of restricted stock cancellations		18,256		$ 0	18,256			18,256
Common stock issued under ESOP (in shares)				30,762
Common stock issued under ESOP		3,890			3,890			3,890
Income tax benefit from stock options exercised, vesting of restricted stock and other		9,595			9,595			9,595
Net income	[5]	478,660	[1],[2],[3],[4]			263,870		263,870	214,790
Capital calls and distributions, net		(89,186)							(89,186)
Net change in unrealized gains on available-for-sale securities, net of tax		66,520					66,520	66,520
Held-to-maturity Securities, Transferred Securities, Unrealized Gains, Net Of Tax		22,522					22,522	22,522
Foreign currency translation adjustments, net of tax		6,557					6,557	6,557
Share-based compensation expense		29,491			29,491			29,491
Other, net		1			1	0		1
Amortization of unrealized gains on securities transferred from available-for-sale to held-to-maturity, net of tax		(4,131)					(4,131)	(4,131)
Common stock issued in public offering (in shares)				4,485,000
Common stock issued in public offering, shares		434,866		$ 5	434,861			434,866
Balance (in shares) at Dec. 31, 2014				50,924,925
Balance at Dec. 31, 2014		4,051,734		$ 51	1,120,350	1,649,967	42,704	2,813,072	1,238,662
Common stock issued under employee benefit plans, net of restricted stock cancellations (in shares)				657,876
Common stock issued under employee benefit plans, net of restricted stock cancellations		18,898		$ 1	18,897			18,898
Common stock issued under ESOP (in shares)				27,425
Common stock issued under ESOP		3,512			3,512			3,512
Income tax benefit from stock options exercised, vesting of restricted stock and other		16,602			16,602			16,602
Deconsolidation of noncontrolling interest	[5]	(1,069,437)							(1,069,437)
Net income		374,820	[2],[3],[4],[6]			343,904		343,904	30,916
Capital calls and distributions, net		(65,044)							(65,044)
Net change in unrealized gains on available-for-sale securities, net of tax		(22,692)					(22,692)	(22,692)
Foreign currency translation adjustments, net of tax		1,613					1,613	1,613
Share-based compensation expense		29,671			29,671			29,671
Other, net		(225)				(225)		(225)
Amortization of unrealized gains on securities transferred from available-for-sale to held-to-maturity, net of tax		(6,221)					(6,221)	(6,221)
Balance (in shares) at Dec. 31, 2015				51,610,226
Balance at Dec. 31, 2015		$ 3,333,231		$ 52	$ 1,189,032	1,993,646	$ 15,404	$ 3,198,134	$ 135,097
Cumulative effect of adopting ASU 2014-01 | Accounting Standards Update 2014-01	[5]					$ 4,700

[1] Cash flows for the years ended December 31, 2014 and 2013 were revised to reflect the retrospective application of our adoption of ASU 2014-01.

[2] During the second quarter of 2015 we adopted new accounting guidance related to our consolidated variable interest entities (ASU 2015-02). Amounts prior to January 1, 2015 have not been revised for the adoption of this guidance. See Note 2— "Summary of Significant Accounting Policies” of the “Notes to the Consolidated Financial Statements” under Part II, Item 8 of this report for additional details.

[3] Prior period amounts have been revised to reflect the retrospective application of new accounting guidance adopted in the first quarter of 2015 related to our investments in qualified affordable housing projects (ASU 2014-01). See Note 2— "Summary of Significant Accounting Policies” of the “Notes to the Consolidated Financial Statements” under Part II, Item 8 of this report for additional details.

[4] Prior period amounts have been revised to reflect the retrospective application of new accounting guidance adopted in the first quarter of 2015 related to our investments in qualified affordable housing projects (ASU 2014-01). See Note 2— "Summary of Significant Accounting Policies” of the “Notes to the Consolidated Financial Statements” under Part II, Item 8 of this report for additional details.

[5] See Note 2— "Summary of Significant Accounting Policies-Adoptions of New Accounting Standards” of the “Notes to the Consolidated Financial Statements” under Part II, Item 8 of this report for additional details.

[6] During the second quarter of 2015 we adopted new accounting guidance related to our consolidated variable interest entities (ASU 2015-02). Amounts prior to January 1, 2015 have not been revised for the adoption of this guidance. See Note 2— "Summary of Significant Accounting Policies” of the “Notes to the Consolidated Financial Statements” under Part II, Item 8 of this report for additional details.