Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Summary of Ownership Interests in Investments Held Under Fair Value Accounting

A summary of our ownership interests in the investments held under fair value accounting as of December 31, 2013 is presented in the following table:

Limited partnership	Company Direct and Indirect Ownership in Limited Partnership
Managed funds of funds
SVB Strategic Investors Fund, LP	12.6	%
SVB Strategic Investors Fund II, LP	8.6
SVB Strategic Investors Fund III, LP	5.9
SVB Strategic Investors Fund IV, LP	5.0
Strategic Investors Fund V Funds	Various
Strategic Investors Fund VI Funds	0.2
SVB Capital Preferred Return Fund, LP	20.0
SVB Capital—NT Growth Partners, LP	33.0
Other private equity fund	58.2
Managed direct venture funds
Silicon Valley BancVentures, LP	10.7
SVB Capital Partners II, LP	5.1
SVB Capital Shanghai Yangpu Venture Capital Fund	6.8

Maximum Estimated Useful Lives by Asset Classification

The maximum estimated useful lives by asset classification are as follows:

Leasehold improvements	Lesser of lease term or asset life
Furniture and equipment	3 years
Computer software	3-7 years
Computer hardware	3-5 years