Subsequent Events (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Home Federal Bancorp. Inc.	Mar. 31, 2014 Combined total assets upon completion of acquisition
Subsequent Event [Line Items]
Assets	$ 1,406,219	$ 1,301,417	$ 1,000,000	$ 2,300,000