Cash and Cash Equivalents

12 Months Ended

Dec. 31, 2015

Banking and Thrift [Abstract]

Cash and Due From Banks

Cash and Cash Equivalents

The Bank is required to maintain an average reserve balance with the Federal Reserve Bank or maintain such reserve balance in the form of cash. The amount of required reserve balance at December 31, 2015 and 2014 was approximately $130.5 million and $80.7 million, respectively, and was met by holding cash and maintaining an average balance with the Federal Reserve Bank.

Umpqua had restricted cash included in cash and due from banks on the balance sheet of $58.8 million as of December 31, 2015, and $43.7 million as of December 31, 2014, relating mostly to collateral required on interest rate swaps as discussed in Note 20. Restricted cash included in interest bearing cash and temporary investments on the balance sheet was $3.9 million as of December 31, 2015, and $4.0 million as of December 31, 2014, relating to collateral requirements for derivatives for mortgage banking activities.