Benefit Plans (Details Textual) (USD $)	1 Months Ended		12 Months Ended			1 Months Ended		12 Months Ended
	Oct. 30, 2012	Mar. 31, 2012	Dec. 31, 2012 Increment	Dec. 31, 2011	Dec. 31, 2010	Oct. 30, 2012 Restricted Stock [Member]	Mar. 31, 2012 Restricted Stock [Member]	Dec. 31, 2012 Restricted Stock [Member]	Dec. 31, 2009 Restricted Stock [Member]	Dec. 31, 2012 Salary Continuation Plans [Member]	Dec. 31, 2012 Split Dollar Post Retirement Plan [Member]	Dec. 31, 2012 Deferred Compensation Plan [Member]
Benefit Plans (Textual) [Abstract]
Deferred Compensation Plan												100.00%
Period of fixed post-retirement benefits plan to key executives										15 years
Net expense											$ 213,000
Rate of interest plan credited												75.00%
Aggregate expense under Salary Savings Plan			283,000	286,000	304,000
No of options were granted as the Corporation awarded restricted shares								0
Aggregate intrinsic value of options exercised			0	0	0
Number of options exercised			0	0	0
Unrecognized compensation cost related to non-vested stock options			170,000
Restricted shares of stock granted						53,187	262,492	315,679	50,000
Unrecognized compensation cost weighted-average recognition period			2 years
Restricted stock vesting period		1 year					3 years
Restricted stock vesting percentage year 1							20.00%
Restricted stock vesting percentage year 2							20.00%
Restricted stock vesting percentage year 3							60.00%
Benefit Plans (Additional Textual) [Abstract]
Accrued liability			4,100,000	4,000,000
Combined plan expenses			204,000	254,000	313,000
Payments to benefit plan			151,000	143,000
Unearned/deferred compensation	94,150	625,000
Forfeiture percentage of equity award				25.00%
Restrictions on the shares granted lapse after vested period		1 year					3 years
Compensation cost not yet been recognized related to restricted Stock awards			$ 370,000
Number of Equal Annual increments For restricted stock vested			4