FIRST FINANCIAL NORTHWEST, INC. AND SUBSIDIARIES CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Assets
Loans receivable allowance for loan losses	$ 12,994	$ 12,542
Stockholders' Equity
Preferred stock par value per share	$ 0.01	$ 0.01
Preferred stock shares authorized	10,000,000	10,000,000
Preferred stock shares issued	0	0
Preferred stock shares outstanding	0	0
Common stock par value per share	$ 0.01	$ 0.01
Common stock shares authorized	90,000,000	90,000,000
Common stock shares issued	16,392,139	18,805,168
Common stock shares outstanding	16,392,139	18,805,168