STOCK INCENTIVE PLAN AND EMPLOYEE STOCK OWNERSHIP PLAN AND TRUST (Details) (USD $)	0 Months Ended					12 Months Ended
	Sep. 24, 2012	Jun. 28, 2012	Jun. 23, 2011	Mar. 24, 2011	Sep. 24, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Activity under the 1998 and 2010 Omnibus Stock Incentive Plan , Options
Balance at beginning of year						168,266	88,831	86,995
Shares granted	2,500	9,000	96,000	5,000	33,000	11,500	101,000	33,000
Shares expired						(4,000)	(6,491)	(1,581)
Shares exercised						(1,299)	(15,074)	(29,583)
Balance at end of year						174,467	168,266	88,831
1998 and 2010 Omnibus Stock Incentive Plan , Weighted Average Exercise Price
Exercise price						$ 11.23	$ 11.51	$ 10.61
Shares granted						$ 11.30	$ 10.48	$ 10.77
Shares expired						$ 13.75	$ 10.47	$ 9.60
Shares exercised						$ 8.54	$ 8.19	$ 8.13
Exercise price					$ 10.77	$ 11.20	$ 11.23	$ 11.51
Intrinsic value of outstanding options						$ 15,969
Number of options exercisable						15,982
Weighted average exercise price of options exercisable						$ 12.00
Intrinsic value of exercisable options						15,969
Options - $8.54 Exercise Price
Activity under the 1998 and 2010 Omnibus Stock Incentive Plan , Options
Balance at end of year						7,292
1998 and 2010 Omnibus Stock Incentive Plan , Weighted Average Exercise Price
Exercise price						$ 8.54
Intrinsic value of outstanding options						15,969
Number of options exercisable						7,292
Weighted average exercise price of options exercisable						$ 8.54
Intrinsic value of exercisable options						15,969
Options - $15.11 Exercise Price
Activity under the 1998 and 2010 Omnibus Stock Incentive Plan , Options
Balance at end of year						16,225
1998 and 2010 Omnibus Stock Incentive Plan , Weighted Average Exercise Price
Exercise price						$ 15.11
Intrinsic value of outstanding options
Number of options exercisable						6,490
Weighted average exercise price of options exercisable						$ 15.11
Intrinsic value of exercisable options
Options - $14.54 Exercise Price
Activity under the 1998 and 2010 Omnibus Stock Incentive Plan , Options
Balance at end of year						5,500
1998 and 2010 Omnibus Stock Incentive Plan , Weighted Average Exercise Price
Exercise price						$ 14.54
Intrinsic value of outstanding options
Number of options exercisable						1,100
Weighted average exercise price of options exercisable						$ 14.54
Intrinsic value of exercisable options
Options - $14.10 Exercise Price
Activity under the 1998 and 2010 Omnibus Stock Incentive Plan , Options
Balance at end of year						5,500
1998 and 2010 Omnibus Stock Incentive Plan , Weighted Average Exercise Price
Exercise price						$ 14.10
Intrinsic value of outstanding options
Number of options exercisable						1,100
Weighted average exercise price of options exercisable						$ 14.10
Intrinsic value of exercisable options
Options - $12.90 Exercise Price
Activity under the 1998 and 2010 Omnibus Stock Incentive Plan , Options
Balance at end of year						2,200
1998 and 2010 Omnibus Stock Incentive Plan , Weighted Average Exercise Price
Exercise price						$ 12.90
Intrinsic value of outstanding options
Number of options exercisable
Weighted average exercise price of options exercisable
Intrinsic value of exercisable options
Options - $10.77 Exercise Price
Activity under the 1998 and 2010 Omnibus Stock Incentive Plan , Options
Balance at end of year						25,250
1998 and 2010 Omnibus Stock Incentive Plan , Weighted Average Exercise Price
Exercise price						$ 10.77
Intrinsic value of outstanding options
Number of options exercisable
Weighted average exercise price of options exercisable
Intrinsic value of exercisable options
Options - $11.67 Exercise Price
Activity under the 1998 and 2010 Omnibus Stock Incentive Plan , Options
Balance at end of year						5,000
1998 and 2010 Omnibus Stock Incentive Plan , Weighted Average Exercise Price
Exercise price						$ 11.67
Intrinsic value of outstanding options
Number of options exercisable
Weighted average exercise price of options exercisable
Intrinsic value of exercisable options
Options - $10.42 Exercise Price
Activity under the 1998 and 2010 Omnibus Stock Incentive Plan , Options
Balance at end of year						96,000
1998 and 2010 Omnibus Stock Incentive Plan , Weighted Average Exercise Price
Exercise price						$ 10.42
Intrinsic value of outstanding options
Number of options exercisable
Weighted average exercise price of options exercisable
Intrinsic value of exercisable options
Options - $11.11 Exercise Price
Activity under the 1998 and 2010 Omnibus Stock Incentive Plan , Options
Balance at end of year						9,000
1998 and 2010 Omnibus Stock Incentive Plan , Weighted Average Exercise Price
Exercise price						$ 11.11
Intrinsic value of outstanding options
Number of options exercisable
Weighted average exercise price of options exercisable
Intrinsic value of exercisable options
Options - $12.00 Exercise Price
Activity under the 1998 and 2010 Omnibus Stock Incentive Plan , Options
Balance at end of year						2,500
1998 and 2010 Omnibus Stock Incentive Plan , Weighted Average Exercise Price
Exercise price						$ 12.00
Intrinsic value of outstanding options
Number of options exercisable
Weighted average exercise price of options exercisable
Intrinsic value of exercisable options