Supplemental Cash Flow Information (Details) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended				0 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Jul. 31, 2014	Sep. 30, 2014 Mountain West Bank	Jul. 31, 2014 Class A Common Stock Mountain West Bank	Sep. 30, 2014 Class A Common Stock Mountain West Bank
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares					1,378,230	1,378,230
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned			$ 35,972	$ 35,972
Transferred Loans to OREO	4,797	10,507
Transferred Loans to Mortgage Servicing Assets	2,005	2,931
Transfer from Investments		429
Land and buildings transferred to other assets		$ 1,448