Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating Activities:
Net income	$ 13,264	$ 11,295
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
(Gain) loss on sale of securities, net	(11)	11
Gain on sale of Northrim Benefits Group	4,443	0
Loss on disposal of premises and equipment	3	365
Depreciation and amortization of premises and equipment	2,042	1,800
Amortization of software	184	123
Intangible asset amortization	79	106
Amortization of investment security premium, net of discount accretion	172	3
Deferred tax liability	617	(251)
Stock-based compensation	435	531
Excess tax expense from share-based payment arrangements	0	35
Deferral of loan fees and costs, net	(459)	(204)
Provision for loan losses	3,200	1,555
Reserve (recovery) for purchased receivables	29	(18)
Gain on sale of loans	(13,929)	(19,426)
Proceeds from the sale of loans held for sale	419,783	560,092
Origination of loans held for sale	(421,472)	(566,565)
Gain on sale of other real estate owned	(369)	(239)
Impairment on other real estate owned	340	187
Net changes in assets and liabilities:
Increase in accrued interest receivable	(396)	(54)
(Increase) decrease in other assets	(3,483)	3,926
Decrease in other liabilities	(40)	(10,944)
Net Cash Used by Operating Activities	(4,454)	(17,672)
Investment in securities:
Purchases of investment securities available for sale	(16,283)	(90,412)
Purchases of FHLB stock	(3,665)	(151)
Proceeds from sales/calls/maturities of securities available for sale	77,865	82,812
Proceeds from redemption of FHLB stock	3,514	2
Decrease (increase) in purchased receivables, net	7,532	(2,156)
Increase in loans, net	(15,379)	(16,515)
Proceeds from sale of other real estate owned	3,265	793
Investment in other real estate owned	0	(311)
Proceeds from the sale of Northrim Benefits Group	4,625	0
Proceeds from sale of premises and equipment	116	1,379
Purchases of premises and equipment	(2,889)	(2,429)
Net Cash Provided (Used) by Investing Activities	58,701	(26,988)
Financing Activities:
Increase (decrease) increase in deposits	(9,337)	37,574
Increase (decrease) in securities sold under repurchase agreements	3,477	(3,719)
Increase in borrowings	3,049	2,230
Distributions to noncontrolling interest	(445)	(205)
Repayment of junior subordinated debentures	(8,248)	0
Repurchase of common stock	(1,608)	0
Excess tax benefits from share-based payment arrangements	0	(35)
Cash dividends paid	(4,417)	(3,992)
Net Cash (Used) Provided by Financing Activities	(17,529)	31,853
Net Change in Cash and Cash Equivalents	36,718	(12,807)
Cash and Cash Equivalents at Beginning of Period	50,551	58,673
Cash and Cash Equivalents at End of Period	87,269	45,866
Supplemental Information:
Income taxes paid	7,764	4,412
Interest paid	1,821	1,823
Noncash commitments to invest in Low Income Housing Tax Credit Partnerships	0	6,809
Transfer of loans to other real estate owned	167	201
Cash dividends declared but not paid	$ 41	$ 39