Business Combinations - Schedule of Assets Acquired and Liabilities Assumed (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Apr. 02, 2014 Alaska Pacific Bank
Business Acquisition [Line Items]
Cash and equivalents			$ 12,956
Investment securities			7,240
Net loans			138,432
Premises and equipment			3,436
Other intangibles			623
Mortgage servicing rights			1,170
Other real estate owned			1,709
Other assets			1,643
Total assets acquired	167,199	0	167,209
Deposits			151,438
Other liabilities			1,734
Total liabilities assumed	$ 153,172	$ 0	$ 153,172