Disposal - Assets Held-for-Sale (Details) (SVB India Finance Private Limited, (SVBIF), USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
Global Commercial Bank
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total assets of SVBIF held-for-sale	$ 48,200		$ 44,300
Disposal Group, Held-for-sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and due from banks	2,897		3,054
Securities purchased under agreement to resell and other short-term investments	6,419		11,898
Net loans	33,276		26,800
Premises and equipment, net	24		24
Accrued interest receivable and other assets	10,307		7,163
Total assets of SVBIF held-for-sale	52,923	[1]	48,939	[1]
Other liabilities	4,723		4,686
Total liabilities of SVBIF held-for-sale	$ 4,723	[1]	$ 4,686	[1]

[1] Net assets of $48.2 million and $44.3 million are included in our Global Commercial Bank operating segment as reported in Note 11—”Segment Reporting” of the “Notes to Interim Consolidated Financial Statements” under Part I, Item 1 of this report.