Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Assets
Cash and due from banks	$ 30,644	$ 15,953
Interest bearing deposits in other banks	60,886	50,080
Investment securities available for sale	222,083	214,010
Investment securities held to maturity	3,819	6,125
Total Portfolio Investment Securities	225,902	220,135
Investment in Federal Home Loan Bank stock, at cost	2,003	2,003
Loans held for sale	27,822	5,558
Loans	645,562	671,812
Allowance for loan losses	(16,503)	(14,406)
Net Loans	656,881	662,964
Purchased receivables, net	30,209	16,531
Accrued interest receivable	2,898	3,401
Other real estate owned	5,183	10,355
Premises and equipment, net	27,993	29,048
Goodwill and intangible assets, net	8,421	8,697
Other assets	34,238	35,362
Total Assets	1,085,258	1,054,529
Liabilities
Demand	324,039	289,061
Interest-bearing demand	141,572	138,072
Savings	79,610	77,411
Alaska CDs	102,384	100,315
Money market	154,987	149,104
Certificates of deposit less than $100,000	45,468	53,858
Certificates of deposit greater than $100,000	63,188	84,315
Total Deposits	911,248	892,136
Securities sold under repurchase agreements	16,348	12,874
Borrowings	4,626	5,386
Junior subordinated debentures	18,558	18,558
Other liabilities	9,043	8,453
Total Liabilities	959,823	937,407
Commitments and contingencies
Shareholders' Equity
Preferred Stock, $1 par value, 2,500,000 shares authorized, none issued or outstanding
Common stock, $1 par value, 10,000,000 shares authorized, 6,466,763 and 6,427,237 shares issued and outstanding at December 31, 2011 and 2010, respectively	6,467	6,427
Additional paid-in capital	53,164	52,658
Retained earnings	65,469	57,339
Accumulated other comprehensive income	283	648
Total Northrim Bancorp Shareholders' Equity	125,383	117,072
Noncontrolling interest	52	50
Total Shareholders' Equity	125,435	117,122
Total Liabilities and Shareholders' Equity	$ 1,085,258	$ 1,054,529