Subsequent Events (Details) (Subsequent Event [Member], USD $) In Millions, unless otherwise specified	0 Months Ended				0 Months Ended
	Oct. 22, 2013 3401 Exposition [Member] sqft	Nov. 04, 2013 Element LA Property [Member] sqft	Oct. 18, 2013 Element LA Property [Member] extension	Jul. 31, 2013 Element LA Property [Member]	Nov. 01, 2013 625 Second Street [Member]
Subsequent Event [Line Items]
Term of loan			4 years
Face Amount			$ 65.5
Basis spread on variable rate				1.95%
Number of extensions			2
Extension period			1 year
Repayment of debt					$ 33.7
Fixed rate					5.85%
Term of lease	12 years	15 years
Area of real estate property	63,376	284,037