Consolidated Statements Of Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Interest Income
Interest and fees on loans	$ 10,734	$ 10,305	$ 21,076	$ 20,530
Interest on investment securities available for sale	630	718	1,289	1,467
Interest on investment securities held to maturity	30	37	59	75
Interest on deposits in other banks	46	63	108	103
Total Interest Income	11,440	11,123	22,532	22,175
Interest Expense
Interest expense on deposits, borrowings and junior subordinated debentures	511	627	1,041	1,325
Net Interest Income	10,929	10,496	21,491	20,850
Provision for loan losses		89	150	178
Net Interest Income After Provision for Loan Losses	10,929	10,407	21,341	20,672
Other Operating Income
Purchased receivable income	768	712	1,470	1,424
Employee benefit plan income	632	616	1,201	1,156
Service charges on deposit accounts	539	569	1,064	1,137
Electronic banking income	536	493	1,040	976
Equity in earnings from RML	538	405	780	706
Gain on sale of securities	100	246	318	273
Rental income	27	204	55	402
Other income	562	480	913	858
Total Other Operating Income	3,702	3,725	6,841	6,932
Other Operating Expense
Salaries and other personnel expense	5,586	5,154	11,321	10,860
Occupancy expense	858	920	1,746	1,916
Marketing expense	445	435	892	872
Professional and outside services	309	287	658	676
Equipment expense	301	342	579	636
Software expense	267	270	532	521
Amortization of low income housing tax investments	247	234	492	462
Internet banking expense	189	185	373	357
Insurance expense	261	301	405	419
Reserve for (recovery from) purchased receivables	(115)		(31)
Intangible asset amortization expense	59	65	117	129
OREO expense, net of rental income and gains on sale	12	118	6	215
Other operating expense	972	984	1,998	1,990
Total Other Operating Expense	9,391	9,295	19,088	19,053
Income Before Provision for Income Taxes	5,240	4,837	9,094	8,551
Provision for income taxes	1,635	1,551	2,725	2,577
Net Income	3,605	3,286	6,369	5,974
Less: Net income attributable to the noncontrolling interest	109	144	199	256
Net Income Attributable to Northrim BanCorp	$ 3,496	$ 3,142	$ 6,170	$ 5,718
Earnings Per Share, Basic	$ 0.54	$ 0.49	$ 0.95	$ 0.88
Earnings Per Share, Diluted	$ 0.53	$ 0.48	$ 0.94	$ 0.87
Weighted Average Shares Outstanding, Basic	6,515,414	6,469,909	6,513,935	6,468,724
Weighted Average Shares Outstanding, Diluted	6,591,003	6,573,729	6,590,899	6,570,094