Cash and Cash Equivalents	12 Months Ended
Cash and Cash Equivalents	Dec. 31, 2014
Cash and Cash Equivalents [Abstract]
Cash and Cash Equivalents	Cash and Cash Equivalents From October 2013 through May 2014, the Company was required to maintain an average reserve balance with the Federal Reserve Bank of San Francisco ("Federal Reserve Bank") or maintain such reserve balance in the form of cash. The Company did not have a cash reserve requirement at December 31, 2014. The required reserve balance at December 31, 2013 was $46.3 million, and was met by holding cash and maintaining an average balance with the Federal Reserve Bank.

The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments maturing within three months from the date of acquisition qualify.

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