Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements Of Comprehensive Income [Abstract]
Net Income	$ 13,458	$ 11,827	$ 9,465
Other comprehensive income, net of tax:
Unrealized gains (losses) arising during the period	1,843	(620)	(1,177)
Reclassification of net gains included in net income	(198)	(247)	(382)
Income tax benefit (expense) related to unrealized (losses) gains	(560)	502	866
Other comprehensive income (loss)	1,085	(365)	(693)
Comprehensive income	14,543	11,462	8,772
Less: comprehensive income attributable to the noncontrolling interest	512	429	399
Comprehensive income attributable to Northrim BanCorp	$ 14,031	$ 11,033	$ 8,373

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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