Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Interest Income
Interest and fees on loans and loans held for sale	$ 13,601	$ 13,710	$ 26,839	$ 27,488
Interest on investment securities available for sale	1,210	953	2,374	1,933
Interest on investment securities held to maturity	17	14	32	27
Interest on deposits in other banks	64	41	112	88
Total Interest Income	14,892	14,718	29,357	29,536
Interest Expense
Interest expense on deposits	451	479	896	950
Interest expense on securities sold under agreements to repurchase	8	7	16	15
Interest expense on borrowings	39	28	77	71
Interest expense on junior subordinated debentures	150	125	291	247
Total Interest Expense	648	639	1,280	1,283
Net Interest Income	14,244	14,079	28,077	28,253
Provision for loan losses	300	200	700	903
Net Interest Income After Provision for Loan Losses	13,944	13,879	27,377	27,350
Other Operating Income
Mortgage banking income	6,351	8,510	11,801	14,206
Employee benefit plan income	961	936	1,897	1,900
Purchased receivable income	776	531	1,465	1,065
Bankcard fees	614	675	1,186	1,308
Service charges on deposit accounts	409	510	848	1,009
Gain (loss) on sale of securities, net	0	12	14	(11)
Other income	607	690	1,403	1,492
Total Other Operating Income	9,718	11,864	18,614	20,969
Other Operating Expense
Salaries and other personnel expense	11,793	12,011	22,635	23,262
Occupancy expense	1,664	1,697	3,285	3,305
Data processing expense	1,409	1,146	2,647	2,230
Marketing expense	891	615	1,401	1,353
Professional and outside services	612	785	1,234	1,492
Insurance expense	194	263	447	578
OREO expense, net rental income and gains on sale	83	127	260	101
Loss on disposal of premises and equipment	83	358	3	358
Intangible asset amortization expense	27	35	53	70
Compensation expense - RML acquisition payments	0	687	174	817
Other operating expense	1,710	1,645	2,933	3,174
Total Other Operating Expense	18,466	19,369	35,072	36,740
Income Before Provision for Income Taxes	5,196	6,374	10,919	11,579
Provision for income taxes	1,455	1,868	3,256	3,567
Net Income	3,741	4,506	7,663	8,012
Less: Net income attributable to the noncontrolling interest	152	156	249	286
Net Income Attributable to Northrim BanCorp, Inc.	$ 3,589	$ 4,350	$ 7,414	$ 7,726
Earnings Per Share, Basic (in USD per share)	$ 0.52	$ 0.63	$ 1.07	$ 1.12
Earnings Per Share, Diluted (in USD per share)	$ 0.51	$ 0.63	$ 1.06	$ 1.11
Weighted Average Shares Outstanding, Basic (in shares)	6,910,679	6,877,140	6,910,230	6,877,140
Weighted Average Shares Outstanding, Diluted (in shares)	6,997,727	6,968,891	6,996,160	6,966,905