Employee Benefit Plans (Details) (USD $)	12 Months Ended			163 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012
Maximum
Base Salary Continutation Upon Termintation
Duration of Payment, Months	24
Intermediate [Member]
Base Salary Continutation Upon Termintation
Duration of Payment, Months	12
Minimum
Base Salary Continutation Upon Termintation
Duration of Payment, Months	6
Defined Contribution
Defined Contribution Pension Plan
Defined Contribution Plan	$ 136,000	$ 157,000	$ 137,000	$ 801,000
Discretionary Contribution
Defined Contribution Pension Plan
Defined Contribution Plan	$ 152,000	$ 136,000	$ 119,000	$ 842,000