Subsequent Event (Details) (Intermountain Community Bancorp [Domain], Subsequent Event [Member], USD $) In Millions, except Per Share data, unless otherwise specified	0 Months Ended
	Jul. 23, 2014
Intermountain Community Bancorp [Domain] | Subsequent Event [Member]
Subsequent Event [Line Items]
Business Acquisition, Date of Acquisition Agreement	Jul. 23, 2014
Business Combination, merger consideration, equity portion, share equivalent, in acquirer's shares	0
Business combinations, merger consideration, cash portion per share	$ 2.2930
Business Combination, total merger consideration estimate	$ 121.5
Business Combination, total merger consideration estimate per share of acquired entity stock	$ 18.22