Interim Consolidated Statements of Comprehensive (Loss) Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net income before noncontrolling interests	$ 10,200	$ 76,488	$ 284,906	$ 137,033
Change in cumulative translation Income (loss):
Foreign currency translation income (loss)	157	(3,975)	1,621	(4,801)
Related tax (expense) benefit	(76)	1,611	(654)	1,908
Change in unrealized gains (losses) on available-for-sale securities:
Unrealized holding gains (losses)	82,064	(172,209)	111,393	(194,311)
Related tax (expense) benefit	(33,203)	69,666	(45,008)	79,332
Reclassification adjustment for losses (gains) included in net income	16,480	(775)	16,421	(730)
Related tax (benefit) expense	(6,653)	296	(6,630)	278
Cumulative-effect adjustment for unrealized gains on securities transferred from available-for-sale to held-to-maturity, net of amortization	36,653	0	36,653	0
Related tax expense, net of amortization	(14,756)	0	(14,756)	0
Other comprehensive income (loss), net of tax	80,666	(105,386)	99,040	(118,324)
Comprehensive income (loss)	90,866	(28,898)	383,946	18,709
Comprehensive loss (income) attributable to noncontrolling interests	40,597	(27,904)	(142,808)	(47,558)
Comprehensive income (loss) attributable to SVBFG	$ 131,463	$ (56,802)	$ 241,138	$ (28,849)