Consolidated Statements Of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest Income
Interest and fees on loans and loans held for sale	$ 13,778	$ 13,467
Interest on investment securities available for sale	980	885
Interest on investment securities held to maturity	13	23
Interest on deposits in other banks	47	11
Total Interest Income	14,818	14,386
Interest Expense
Interest expense on deposits, borrowings and junior subordinated debentures	644	754
Net Interest Income	14,174	13,632
Provision for loan losses	703	326
Net Interest Income After Provision for Loan Losses	13,471	13,306
Other Operating Income
Mortgage banking income	5,696	7,306
Employee benefit plan income	964	777
Bankcard fees	633	589
Purchased receivable income	534	589
Service charges on deposit accounts	499	490
Gain (loss) on sale of securities, net	(23)	114
Other income	802	670
Total Other Operating Income	9,105	10,535
Other Operating Expense
Salaries and other personnel expense	11,251	10,550
Occupancy expense	1,608	1,604
Data processing expense	1,084	1,096
Marketing expense	738	617
Professional and outside services	707	751
Insurance expense	315	324
Change in fair value, RML earn-out liability	130	1,502
Intangible asset amortization expense	35	73
OREO (income) expense, net rental income and gains on sale	(26)	297
Other operating expense	1,529	1,647
Total Other Operating Expense	17,371	18,461
Income Before Provision for Income Taxes	5,205	5,380
Provision for income taxes	1,699	1,747
Net Income	3,506	3,633
Less: Net income attributable to the noncontrolling interest	130	72
Net Income Attributable to Northrim BanCorp, Inc.	$ 3,376	$ 3,561
Earnings Per Share, Basic (USD per share)	$ 0.49	$ 0.52
Earnings Per Share, Diluted (USD per share)	$ 0.48	$ 0.51
Weighted Average Shares Outstanding, Basic (shares)	6,877,140	6,854,189
Weighted Average Shares Outstanding, Diluted (shares)	6,964,707	6,930,873