Consolidated Statements of Cash Flows (Parenthetical)	3 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Consolidated Statements of Cash Flows
Receipt of common shares in payment of shareholder loans, shares	86,056	86,056

Name:

epr_ReceiptOfCommonSharesInPaymentOfShareholdersLoansShares

Namespace Prefix:

epr

Data Type:

xbrli:sharesItemType

Balance Type:

na

Period Type:

duration