Cash and Cash Equivalents	3 Months Ended
Cash and Cash Equivalents	Mar. 31, 2016
Cash and Due from Banks [Abstract]
Cash and Cash Equivalents	Cash and Cash Equivalents For purposes of reporting cash flows, cash and cash equivalents include cash on hand, amounts due from banks, interest-bearing deposits with other banks, federal funds sold, and securities with maturities of less than 90 days at acquisition. Accordingly, domestic certificates of deposit with maturities of greater than 90 days totaling zero and $3.5 million at March 31, 2016 and 2015, respectively, have been excluded from cash and cash equivalents in the Consolidated Statement of Cash Flows. The Company is required to maintain a $500,000 minimum average daily balance with the Federal Reserve Bank of San Francisco ("Federal Reserve Bank") for purposes of settling financial transactions and charges for Federal Reserve Bank services. The Company is also required to maintain cash balances or deposits with the Federal Reserve Bank sufficient to meet its statutory reserve requirements. The Company is required to maintain a $500,000 balance with a correspondent bank for outsourced servicing of ATMs.

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.