Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 4,464	$ 3,605	$ 7,166	$ 6,369
Other comprehensive income, net of tax:
Unrealized gains (loss) arising during the period	612	(1,070)	707	(919)
Reclassification of net gains included in net income (net of tax expense $40,000 and $90,000 in 2014 and 2013, respectively)	(206)	(59)	(263)	(187)
Income tax expense (benefit) related to unrealized gains	(221)	440	(260)	377
Other comprehensive income (loss)	185	(689)	184	(729)
Comprehensive income	4,649	2,916	7,350	5,640
Less: comprehensive income attributable to the noncontrolling interest	95	109	139	199
Comprehensive income attributable to Northrim BanCorp	$ 4,554	$ 2,807	$ 7,211	$ 5,441