CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Common Stock [Member]	Surplus [Member]	Undivided Profits [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Comprehensive Income (Loss) [Member]	Total
Balances at Dec. 31, 2008	$ 3,672	$ 3,851	$ 25,070	$ (2,837)	$ (1,952)		$ 27,804
Comprehensive income (loss)
Net income (loss)	0	0	(2,240)	0	0	(2,240)	(2,240)
Other comprehensive income (loss):
Unrealized holding ganis (losses) arising during the period, net of tax	0	0	0	0	(27)	(27)	(27)
Reclassification for gains included in net income (net of tax, $14)	0	0	0	0	(28)	(28)	(28)
Change in benefit obligations and plan assets for pension and other postretirement benefits, net of tax	0	0	0	0	944	944	944
Total other comprehensive income (loss)						889
Total comprehensive income (loss)						(1,351)
Purchase of treasury shares: 3,427 shares	0	0	0	(29)	0		(29)
Stock-based compensation expense	0	47	0	0	0		47
Cash dividends	0	0	(899)	0	0		(899)
Balances at Dec. 31, 2009	3,672	3,898	21,931	(2,866)	(1,063)		25,572
Comprehensive income (loss)
Net income (loss)	0	0	1,794	0	0	1,794	1,794
Other comprehensive income (loss):
Unrealized holding ganis (losses) arising during the period, net of tax	0	0	0	0	(276)	(276)	(276)
Change in benefit obligations and plan assets for pension and other postretirement benefits, net of tax	0	0	0	0	(348)	(348)	(348)
Total other comprehensive income (loss)						(624)
Total comprehensive income (loss)						1,170
Stock-based compensation expense	0	34	0	0	0		34
Balances at Dec. 31, 2010	3,672	3,932	23,725	(2,866)	(1,687)		26,776
Comprehensive income (loss)
Net income (loss)	0	0	(1,010)	0	0	(1,010)	(1,010)
Other comprehensive income (loss):
Unrealized holding ganis (losses) arising during the period, net of tax	0	0	0	0	304	304	304
Change in benefit obligations and plan assets for pension and other postretirement benefits, net of tax	0	0	0	0	(549)	(549)	(549)
Total other comprehensive income (loss)						(245)
Total comprehensive income (loss)						(1,255)
Stock-based compensation expense	0	11	0	0	0		11
Cash dividends	0	0	(67)	0	0		(67)
Balances at Dec. 31, 2011	$ 3,672	$ 3,943	$ 22,648	$ (2,866)	$ (1,932)		$ 25,465