Consolidated Statements Of Changes In Shareholders' Equity (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income	Non-controlling Interest
Beginning balance, value at Dec. 31, 2012	$ 136,353	$ 6,512	$ 53,638	$ 74,742	$ 1,368	$ 93
Beginning balance, shares at Dec. 31, 2012		6,512
Cash dividend declared	(4,212)			(4,212)
Stock based compensation expense	506		506
Exercise of stock options, shares		26
Exercise of stock options	(129)	26	(155)
Excess tax benefits from share-based payment arrangements	100		100
Distributions to noncontrolling interest	(13)					(13)
Change in unrealized holding gain on available for sale securities, net of tax	(699)				(699)
Net income attributable to the noncontrolling interest	87					87
Net Income Attributable to Northrim BanCorp	12,325			12,325
Ending balance, value at Dec. 31, 2013	144,318	6,538	54,089	82,855	669	167
Ending balance, shares at Dec. 31, 2013	6,537,652	6,538
Cash dividend declared	(1,122)			(1,122)
Stock based compensation expense	107		107
Exercise of stock options, shares		0
Exercise of stock options	0	0	0
Excess tax benefits from share-based payment arrangements	0		0
Distributions to noncontrolling interest	(75)					(75)
Change in unrealized holding gain on available for sale securities, net of tax	(1)				(1)
Net income attributable to the noncontrolling interest	45					45
Net Income Attributable to Northrim BanCorp	2,658			2,658
Ending balance, value at Mar. 31, 2014	$ 145,930	$ 6,538	$ 54,196	$ 84,391	$ 668	$ 137
Ending balance, shares at Mar. 31, 2014	6,827,864	6,538