Summaryof subordinated debenture issuance (Details) (dollars in thousands) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Summaryof subordinated debenture issuance
North Valley Capital Trust II	$ 6,186	$ 6,186
North Valley Capital Trust III	5,155	5,155
North Valley Capital Statutory Trust IV	10,310	10,310
Total subordinated debentures issued	21,651	21,651
Company had recorded accrued and unpaid interest payments	$ 75,000	$ 77,000