The Company (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended
	Apr. 30, 2013 sqft	Jun. 01, 2013 sqft
Area of Land		200,000
Proceeds from Sale of Buildings		$ 16.0
Miami, FL [Member]
Area of Land		53,000
Proceeds from Sale of Buildings		4.1
Sale Of Property Period		Sep. 30, 2012
Houston, TX [Member]
Area of Land		42,000
Proceeds from Sale of Buildings		3.6
Sale Of Property Period		Nov. 30, 2012
Fairfield, CT [Member]
Area of Land		43,000
Proceeds from Sale of Buildings		5.5
Sale Of Property Period		Dec. 31, 2012
Secaucus, NJ Condo [Member]
Area of Land		2,000
Proceeds from Sale of Buildings		0.3
Sale Of Property Period		Jan. 31, 2013
Southfield MI [Member]
Area of Land	60,000	60,000
Proceeds from Sale of Buildings	$ 2.5	$ 2.5
Sale Of Property Period		Apr. 30, 2013