Consolidated Statements Of Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Interest Income
Interest and fees on loans	$ 10,803	$ 10,416	$ 31,879	$ 30,946
Interest on investment securities available for sale	635	673	1,924	2,140
Interest on investment securities held to maturity	29	35	88	110
Interest on deposits in other banks	57	80	165	183
Total Interest Income	11,524	11,204	34,056	33,379
Interest Expense
Interest expense on deposits, borrowings and junior subordinated debentures	502	611	1,543	1,936
Net Interest Income	11,022	10,593	32,513	31,443
Provision (benefit) for loan losses	(785)	(1,437)	(635)	(1,259)
Net Interest Income After Provision (Benefit) for Loan Losses	11,807	12,030	33,148	32,702
Other Operating Income
Purchased receivable income	757	826	2,227	2,250
Employee benefit plan income	541	609	1,742	1,765
Service charges on deposit accounts	549	536	1,613	1,673
Electronic banking income	567	520	1,607	1,496
Equity in earnings from RML	336	963	1,116	1,669
Gain on sale of securities			318	273
Rental income	26	196	81	594
Other income	467	507	1,380	1,369
Total Other Operating Income	3,243	4,157	10,084	11,089
Other Operating Expense
Salaries and other personnel expense	6,108	5,484	17,429	16,344
Occupancy expense	851	842	2,597	2,758
Marketing expense	473	436	1,365	1,308
Professional and outside services	479	427	1,137	1,103
Equipment expense	321	257	900	893
Software expense	257	304	789	825
Amortization of low income housing tax investments	240	231	732	693
Internet banking expense	207	171	580	528
Insurance expense	205	236	610	655
Reserve for (recovery from) purchased receivables		349	(31)	349
Intangible asset amortization expense	58	64	175	193
OREO expense, net of rental income and gains on sale	(18)	249	(12)	464
Other operating expense	895	942	2,893	2,932
Total Other Operating Expense	10,076	9,992	29,164	29,045
Income Before Provision for Income Taxes	4,974	6,195	14,068	14,746
Provision for income taxes	1,510	1,991	4,235	4,568
Net Income	3,464	4,204	9,833	10,178
Less: Net income (loss) attributable to the noncontrolling interest	(10)	138	189	394
Net Income Attributable to Northrim BanCorp	$ 3,474	$ 4,066	$ 9,644	$ 9,784
Earnings Per Share, Basic	$ 0.53	$ 0.63	$ 1.48	$ 1.51
Earnings Per Share, Diluted	$ 0.53	$ 0.62	$ 1.46	$ 1.49
Weighted Average Shares Outstanding, Basic	6,515,455	6,471,572	6,514,441	6,469,673
Weighted Average Shares Outstanding, Diluted	6,607,201	6,570,772	6,594,482	6,570,287