Restructuring Charges (Details Textual) (USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended
	Dec. 31, 2012 employee	Mar. 31, 2014 Workforce Reduction Minimum [Member] Forecast [Member]	Mar. 31, 2014 Workforce Reduction Maximum [Member] Forecast [Member]	Mar. 31, 2014 Other Operational Expense [Member] Minimum [Member] Forecast [Member]	Mar. 31, 2014 Other Operational Expense [Member] Maximum [Member] Forecast [Member]
Restructuring Charges (Textual) [Abstract]
Number of positions eliminated	70
Anticipated reduction in expenses		$ 8.0	$ 9.0	$ 4.0	$ 5.0