Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 2,703	$ 2,764
Other comprehensive income, net of tax:
Unrealized gains arising during the period	95	151
Reclassification of net gains included in net income (net of tax expense $40,000 and $90,000 in 2014 and 2013, respectively)	(57)	(128)
Income tax expense related to unrealized gains	(39)	(63)
Other comprehensive income (loss)	(1)	(40)
Comprehensive income	2,702	2,724
Less: comprehensive income attributable to the noncontrolling interest	45	90
Comprehensive income attributable to Northrim BanCorp	$ 2,657	$ 2,634