Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	Dec. 01, 2014	Apr. 01, 2014	Sep. 30, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Goodwill			$ 22,334	$ 22,334
Alaska Pacific Bank
Finite-Lived Intangible Assets [Line Items]
Voting interests acquired		100.00%
Alaska Pacific Bank | Core Deposits
Finite-Lived Intangible Assets [Line Items]
Intangible Assets Acquired		$ 623
Useful Life of Intangible Assets		10 years
Residential Mortgage Holding Company
Finite-Lived Intangible Assets [Line Items]
Voting interests acquired	76.50%
Goodwill	$ 14,810
Trade Names | Residential Mortgage Holding Company
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets Acquired	$ 950