Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Consolidated Statements Of Income [Abstract]
Net Income	$ 3,286	$ 3,315	$ 5,974	$ 5,859
Other comprehensive income, net of tax:
Unrealized gains arising during the period	92	934	974	784
Reclassification adjustment for net gain realized in earnings	(246)		(273)	(263)
Net change in unrealized gains	(154)	934	701	521
Other comprehensive income	(154)	934	701	521
Comprehensive income	3,132	4,249	6,675	6,380
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	144	133	256	222
Comprehensive income attributable to Northrim BanCorp	$ 2,988	$ 4,116	$ 6,419	$ 6,158

The change in unrealized holding gain (loss), net of tax, on available-for-sale securities included in a separate component of shareholders' equity during the period.

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