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) 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
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		478,660				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
Amortization of unrealized gains on securities transferred from available-for-sale to held-to-maturity, net of tax		(4,131)					(4,131)	(4,131)
Foreign currency translation adjustments, net of tax		6,557					6,557	6,557
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
Share-based compensation expense		29,491			29,491			29,491
Other, net		1			1	0		1
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
Net income		374,820	[1],[2]			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)
Amortization of unrealized gains on securities transferred from available-for-sale to held-to-maturity, net of tax		(6,221)					(6,221)	(6,221)
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)			0	225		(225)
Deconsolidation of noncontrolling interest	[3]	(1,069,437)							(1,069,437)
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
Common stock issued under employee benefit plans, net of restricted stock cancellations (in shares)				600,683
Common stock issued under employee benefit plans, net of restricted stock cancellations		21,819		$ 0	21,819			21,819
Common stock issued under ESOP (in shares)				43,165
Common stock issued under ESOP		4,328			4,328			4,328
Net income		390,266				382,685		382,685	7,581
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net		(3,640)			(3,640)			(3,640)
Capital calls and distributions, net		(8,195)							(8,195)
Net change in unrealized gains on available-for-sale securities, net of tax		15,873					15,873	15,873
Amortization of unrealized gains on securities transferred from available-for-sale to held-to-maturity, net of tax		(4,652)					(4,652)	(4,652)
Foreign currency translation adjustments, net of tax		(3,195)					(3,195)	(3,195)
Share-based compensation expense		31,202			31,202			31,202
Balance (in shares) at Dec. 31, 2016				52,254,074
Balance at Dec. 31, 2016		$ 3,777,037		$ 52	$ 1,242,741	$ 2,376,331	$ 23,430	$ 3,642,554	$ 134,483

[1] 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.

[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] 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.