Related Party Transaction	12 Months Ended
Related Party Transaction	Dec. 31, 2015
Related Party Transactions [Abstract]
Related Party Transactions	NOTE 22. RELATED PARTY TRANSACTIONS Castle Creek Financial LLC, or Castle Creek Financial, is an affiliate of Castle Creek Capital LLC, which the Company's Chairman of the Board, Mr. Eggemeyer, is co-founder and chief executive. During 2014, the Bank paid an advisory fee of $9 million to Castle Creek Financial in connection with the CapitalSource Inc. merger. During 2013, the Bank paid an advisory fee of $1.3 million to Castle Creek Financial in connection with the FCAL acquisition. On August 6, 2014, the services agreement dated May 8, 2011, between the Company and Castle Creek Financial was terminated.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.