FIRST FINANCIAL NORTHWEST, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common  Stock	Additional  Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Income, net of tax	Unearned ESOP Shares
Balances at beginning of period - shares at Dec. 31, 2020		9,736,875
Balances at beginning of period - amount at Dec. 31, 2020	$ 156,302	$ 97	$ 82,095	$ 78,003	$ (1,918)	$ (1,975)
Increase (Decrease) in Stockholders' Equity
Net income	12,249			12,249
Other comprehensive loss	$ 2,092				2,092
Exercise of stock options - shares	41,000
Exercise of stock options - amount	$ 344	$ 0	344
Issuance of common stock - restricted stock awards, net (in shares)		55,673
Issuance of common stock - restricted stock awards, net	1	$ 1
Stock compensation expense	708		708
Allocation of ESOP shares	1,696		567			1,129
Repurchase and retirement of common stock (shares)		(704,950)
Repurchase and retirement of common stock	(11,384)	$ (7)	(11,377)
Canceled common stock - restricted stock awards		(2,839)
Canceled common stock - restricted stock awards	(39)		(39)
Cash dividends declared and paid	$ (4,090)			(4,090)
Balances at end of period - shares at Dec. 31, 2021	9,125,759	9,125,759
Balances at end of period - amount at Dec. 31, 2021	$ 157,879	$ 91	72,298	86,162	174	(846)
Increase (Decrease) in Stockholders' Equity
Net income	13,240			13,240
Other comprehensive loss	(7,388)				(7,388)
Exercise of stock options - shares		54,481
Exercise of stock options - amount	454	$ (1)	455
Issuance of common stock - restricted stock awards, net (in shares)		45,544
Issuance of common stock - restricted stock awards, net	0	$ 0	0
Stock compensation expense	770		770
Allocation of ESOP shares	1,372		526			846
Repurchase and retirement of common stock (shares)		(84,981)
Repurchase and retirement of common stock	(1,398)	$ 1	(1,399)
Canceled common stock - restricted stock awards		(13,208)
Canceled common stock - restricted stock awards	(226)		(226)
Cash dividends declared and paid	$ (4,343)			(4,343)
Balances at end of period - shares at Dec. 31, 2022	9,127,595	9,127,595
Balances at end of period - amount at Dec. 31, 2022	$ 160,360	$ 91	$ 72,424	$ 95,059	$ (7,214)	$ 0