INTERIM CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income	Total SVBFG Stockholders' Equity	Noncontrolling Interests
Balance at Dec. 31, 2010	$ 1,748,278	$ 42	$ 422,334	$ 827,831	$ 24,143	$ 1,274,350	$ 473,928
Balance (in shares) at Dec. 31, 2010		42,268,201
Common stock issued under employee benefit plans, net of restricted stock cancellations (in shares)		429,627
Common stock issued under employee benefit plans, net of restricted stock cancellations	14,434	1	14,433			14,434
Income tax benefit (expense) from stock options exercised, vesting of restricted stock and other	2,476		2,476			2,476
Net income	73,095			33,007		33,007	40,088
Capital calls and distributions, net	19,441						19,441
Net change in unrealized gains on available-for-sale securities, net of tax	(15,473)				(15,473)	(15,473)
Foreign currency translation adjustments, net of tax	570				570	570
Stock-based compensation expense	4,210		4,210			4,210
Balance at Mar. 31, 2011	1,847,031	43	443,453	860,838	9,240	1,313,574	533,457
Balance (in shares) at Mar. 31, 2011		42,697,828
Balance at Dec. 31, 2011	2,250,389	44	484,216	999,733	85,399	1,569,392	680,997
Balance (in shares) at Dec. 31, 2011		43,507,932
Common stock issued under employee benefit plans, net of restricted stock cancellations (in shares)		505,618
Common stock issued under employee benefit plans, net of restricted stock cancellations	17,900		17,900			17,900
Common stock issued under ESOP (in shares)		73,560
Common stock issued under ESOP	4,345		4,345			4,345
Income tax benefit (expense) from stock options exercised, vesting of restricted stock and other	3,819		3,819			3,819
Net income	39,933			34,790		34,790	5,143
Capital calls and distributions, net	17,073						17,073
Net change in unrealized gains on available-for-sale securities, net of tax	2,451				2,451	2,451
Foreign currency translation adjustments, net of tax	1,459				1,459	1,459
Stock-based compensation expense	5,334		5,334			5,334
Balance at Mar. 31, 2012	$ 2,342,703	$ 44	$ 515,614	$ 1,034,523	$ 89,309	$ 1,639,490	$ 703,213
Balance (in shares) at Mar. 31, 2012		44,087,110