Employee Benefit Plans (Details Textuals) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 1988	Dec. 31, 1987	Dec. 31, 1985
Compensation and Retirement Disclosure [Abstract]
Amount borrowed					$ 2,000,000
Interest rate, description					Prime rate
Term of loan					40 years
Amount of additional loan			1,942,000	1,942,000
Compensation expense	$ 101,000	$ 101,000
Number of allocated shares	439,647
Number of unallocated shares	215,214	235,114