Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Interest Income
Interest and fees on loans	$ 43,137	$ 41,515	$ 42,391
Interest on investment securities available for sale	2,603	2,796	3,097
Interest on investment securities held to maturity	111	139	212
Interest on deposits in other banks	223	278	208
Total Interest Income	46,074	44,728	45,908
Interest Expense
Interest expense on deposits, borrowings and junior subordinated debentures	2,040	2,505	3,544
Net Interest Income	44,034	42,223	42,364
Provision (benefit) for loan losses	(635)	(1,559)	1,999
Net Interest Income After Provision (Benefit) for Loan Losses	44,669	43,782	40,365
Other Operating Income
Purchased receivable income	2,797	3,026	2,703
Employee benefit plan income	2,341	2,369	2,167
Electronic banking income	2,151	2,058	1,945
Service charges on deposit accounts	2,116	2,201	2,296
Equity in earnings from RML	1,227	2,635	1,201
Gain on sale of securities	333	336	419
Rental income	108	773	776
Other income	1,813	2,034	1,583
Total Other Operating Income	12,886	15,432	13,090
Other Operating Expense
Salaries and other personnel expense	23,796	22,032	21,006
Occupancy expense	3,464	3,615	3,764
Marketing expense	1,853	1,975	1,771
Professional and outside services	1,761	1,479	1,386
Equipment expense	1,239	1,205	1,200
Software expense	1,066	1,111	1,005
Amortization of low income housing tax investments	969	921	902
Insurance expense	821	913	1,333
Internet banking expense	778	701	648
Intangible asset amortization expense	228	252	275
Reserve for purchased receivables	100	357	0
OREO (income) expense, net rental income and gains on sale	(60)	1,089	(710)
Other operating expense	3,851	3,950	4,175
Total Other Operating Expense	39,866	39,600	36,755
Income Before Provision for Income Taxes	17,689	19,614	16,700
Provision for income taxes	5,277	6,156	4,873
Net Income	12,412	13,458	11,827
Less: Net income attributable to the noncontrolling interest	87	512	429
Net Income Attributable to Northrim BanCorp	$ 12,325	$ 12,946	$ 11,398
Earnings Per Share, Basic	$ 1.89	$ 2.00	$ 1.77
Earnings per share, diluted	$ 1.87	$ 1.97	$ 1.74
Weighted Average Shares Outstanding, Basic	6,519	6,477	6,439
Weighted Average Shares Outstanding, Diluted	6,610	6,575	6,555