Consolidated Statements Of Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Interest Income
Interest and fees on loans	$ 13,437	$ 10,803	$ 37,390	$ 31,879
Interest on investment securities available for sale	696	635	2,176	1,924
Interest on investment securities held to maturity	24	29	69	88
Interest on deposits in other banks	55	57	145	165
Total Interest Income	14,212	11,524	39,780	34,056
Interest Expense
Interest expense on deposits, borrowings and junior subordinated debentures	487	502	1,411	1,543
Net Interest Income	13,725	11,022	38,369	32,513
Provision (Benefit) for loan losses	0	(785)	(1,136)	(635)
Net Interest Income After Provision (Benefit) for Loan Losses	13,725	11,807	39,505	33,148
Other Operating Income
Gain on sale of premises and equipment	1,115	0	1,115	0
Employee benefit plan income	899	541	2,653	1,742
Service charges on deposit accounts	599	549	1,682	1,613
Electronic banking income	590	567	1,694	1,607
Purchased receivable income	582	757	1,547	2,227
Equity in earnings from RML	384	336	608	1,116
Gain on sale of securities, net	15	0	461	318
Other income	750	493	2,014	1,461
Total Other Operating Income	4,934	3,243	11,774	10,084
Other Operating Expense
Salaries and other personnel expense	7,107	6,108	19,866	17,429
Merger and acquisition expense	1,031	158	1,736	160
Occupancy expense	1,041	851	3,030	2,597
Marketing expense	417	473	1,425	1,365
Equipment expense	405	321	1,062	900
Software expense	383	257	997	789
Amortization of low income housing tax investments	331	240	1,003	732
Insurance expense	319	205	788	610
Professional and outside services	323	321	947	977
Internet banking expense	264	207	677	580
Reserve for (recovery from) purchased receivables	241	0	447	(31)
Intangible asset amortization expense	81	58	214	175
OREO (income) expense, net rental income and gains on sale	(68)	(18)	(315)	(12)
Other operating expense	1,235	895	3,494	2,893
Total Other Operating Expense	13,110	10,076	35,371	29,164
Income Before Provision for Income Taxes	5,549	4,974	15,908	14,068
Provision for income taxes	1,651	1,510	4,845	4,235
Net Income	3,898	3,464	11,063	9,833
Less: Net income (loss) attributable to the noncontrolling interest	191	(10)	329	189
Net Income Attributable to Northrim BanCorp	$ 3,707	$ 3,474	$ 10,734	$ 9,644
Earnings Per Share, Basic (USD per share)	$ 0.54	$ 0.53	$ 1.59	$ 1.48
Earnings Per Share, Diluted (USD per share)	$ 0.53	$ 0.53	$ 1.57	$ 1.46
Weighted Average Shares Outstanding, Basic (shares)	6,831,976	6,515,455	6,733,175	6,514,441
Weighted Average Shares Outstanding, Diluted (shares)	6,919,993	6,607,201	6,822,288	6,594,482