Summary of Business and Basis for Presentation Development (Details) (USD $)	0 Months Ended	3 Months Ended			9 Months Ended					12 Months Ended			9 Months Ended
	Mar. 19, 2013	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Mar. 19, 2013 agent	Sep. 30, 2014 EPT Concord II, LLC [Member] acre	Dec. 31, 2013 EPT Concord II, LLC [Member] acre	Dec. 31, 2013 Trigger Two [Member]	Dec. 31, 2013 Trigger One [Member]	Dec. 31, 2013 Maximum [Member]	Sep. 30, 2014 Legal, Professional and Consulting Fees [Member]	Sep. 30, 2014 Architectural Fees [Member]	Sep. 30, 2014 Application Fee [Member]	Sep. 30, 2014 Non Refundable Fees [Member]	Sep. 30, 2014 Commitment Fee [Member]
Real Estate Properties [Line Items]
Area of Real Estate Property								1,500	1,500
Project Development, Future Minimum Payments Due, By Counterparty		$ 300,000,000			$ 300,000,000
Option exercise period end date, extension, period										60 days	120 days	90 days
Estimated Capital Tax Allowable							15,000,000
Estimated Tax Credit Allowable Related To Mortgages							1,100,000
Estimated Real Property Tax Abatement							126,000,000
Estimated Tax Abatement Period Of Recognition	16 years
Number Of Agents							3
Project development expenses		2,933,000	16,000,000	815,000	10,774,000	815,000
Project Development Costs Incurred					$ 10,800,000								$ 4,700,000	$ 1,900,000	$ 1,000,000	$ 2,300,000	$ 900,000