FIRST FINANCIAL NORTHWEST, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities
Net income	$ 10,369,000	$ 14,899,000
Adjustments to reconcile net income to net cash provided by operating activities
Recapture of provision for loan losses	(300,000)	(4,000,000)
OREO market value adjustments	29,000	0
Net amortization of premiums and discounts on investments	835,000	1,022,000
(Gain) loss on sale of investments available-for-sale	(151,000)	20,000
Depreciation of premises and equipment	1,840,000	1,630,000
Loss on sale of premises and equipment	5,000	0
Decrease (increase) in deferred federal income taxes	109,000	(281,000)
Allocation of ESOP shares	1,698,000	1,906,000
Stock compensation expense	501,000	650,000
Increase in cash surrender value of BOLI	(994,000)	(814,000)
Changes in operating assets and liabilities:
Prepaid expenses and other assets	153,000	2,567,000
Right of use asset	(2,209,000)	0
Advance payments from borrowers for taxes and insurance	(12,000)	418,000
Accrued interest receivable	(70,000)	16,000
Lease liability	2,279,000	0
Accrued interest payable	(193,000)	152,000
Other liabilities	(809,000)	491,000
Net cash provided by operating activities	13,080,000	18,676,000
Cash flows from investing activities
Proceeds from sales and call of investments	14,260,000	17,159,000
Principal repayments on investments	7,395,000	7,078,000
Purchases of investments	(14,417,000)	(37,021,000)
Net increase in loans receivable	(85,258,000)	(30,242,000)
Purchases of premises and equipment	(2,980,000)	(2,347,000)
Redemption of FHLB stock	301,000	2,572,000
Proceeds from Life Insurance Policy	310,000	0
Purchase of BOLI	(1,457,000)	0
Net cash provided in investing activities	(81,846,000)	(42,801,000)
Cash flows from financing activities
Net increase in deposits	94,502,000	99,530,000
Advances from the FHLB	350,200,000	187,500,000
Repayments of advances from the FHLB	(359,000,000)	(257,000,000)
Proceeds from stock options exercises	21,000	1,365,000
Issuance of common stock - restricted stock awards, net	(93,000)	(40,000)
Repurchase and retirement of common stock	(7,406,000)	(3,153,000)
Dividends paid	(3,478,000)	(3,198,000)
Net cash provided by financing activities	74,746,000	25,004,000
Cash and cash equivalents:
Net increase in cash and cash equivalents	5,980,000	879,000
Cash and cash equivalents at beginning of year	17,010,000	16,131,000
Cash and cash equivalents at end of year	22,990,000	17,010,000
Cash paid during the period for:
Interest	21,383,000	14,586,000
Federal income taxes	2,175,000	3,890,000
Noncash transactions:
Change in unrealized gain (loss) on investments available-for-sale	2,353,000	(1,814,000)
Change in unrealized (losses) gain on cash flow hedge	(1,237,000)	$ 137,000
Initial recognition of right-of-use asset	2,762,000
Initial recognition of lease liability	$ 2,762,000