Condensed Consolidating Financial Statements (Condensed Consolidating Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Apr. 03, 2014	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012
Rental properties, net	$ 2,370,198		$ 2,104,151
Land held for development	204,641		201,342
Property under development	189,051		89,473
Mortgage notes and related accrued interest receivable	546,265		486,337
Investment in a direct financing lease, net	198,551	45,900	242,212
Investment in joint ventures	5,343		5,275
Cash and cash equivalents	8,386		7,958	24,141	10,664
Restricted cash	26,811		9,714
Deferred financing costs, net	20,994		23,344
Accounts receivable, net	44,469		42,538
Intercompany notes receivable	0		0
Investments in subsidiaries	0		0
Other assets	64,522		59,932
Total assets	3,679,231		3,272,276
Accounts payable and accrued liabilities	71,511		72,327
Dividends payable	22,240		19,553
Unearned rents and interest	36,551		17,046
Intercompany notes payable	0		0
Debt	1,621,211		1,475,336
Total liabilities	1,751,513		1,584,262
EPR Properties shareholders’ equity	1,927,341		1,687,637
Noncontrolling interests	377		377
Total equity	1,927,718		1,688,014
Total liabilities and equity	3,679,231		3,272,276
EPR Properties (Issuer) [Member]
Rental properties, net	0		0
Land held for development	0		0
Property under development	0		18
Mortgage notes and related accrued interest receivable	0		0
Investment in a direct financing lease, net	0		0
Investment in joint ventures	0		0
Cash and cash equivalents	(442)		449	16,915	1,531
Restricted cash	0		1,150
Deferred financing costs, net	15,820		17,221
Accounts receivable, net	148		106
Intercompany notes receivable	0		0
Investments in subsidiaries	3,107,517		2,852,543
Other assets	20,818		19,292
Total assets	3,143,861		2,890,779
Accounts payable and accrued liabilities	33,530		43,589
Dividends payable	22,240		19,553
Unearned rents and interest	750		0
Intercompany notes payable	0		0
Debt	1,160,000		1,140,000
Total liabilities	1,216,520		1,203,142
EPR Properties shareholders’ equity	1,927,341		1,687,637
Noncontrolling interests	0		0
Total equity	1,927,341		1,687,637
Total liabilities and equity	3,143,861		2,890,779
Wholly-Owned Subsidiary Guarantors [Member]
Rental properties, net	1,642,354		1,474,501
Land held for development	0		0
Property under development	176,638		84,397
Mortgage notes and related accrued interest receivable	483,602		460,533
Investment in a direct financing lease, net	198,551		242,212
Investment in joint ventures	0		0
Cash and cash equivalents	1,294		1,826	765	832
Restricted cash	24,940		6,735
Deferred financing costs, net	4,536		5,439
Accounts receivable, net	29,660		25,158
Intercompany notes receivable	0		0
Investments in subsidiaries	0		0
Other assets	9,563		11,040
Total assets	2,571,138		2,311,841
Accounts payable and accrued liabilities	35,911		20,564
Dividends payable	0		0
Unearned rents and interest	29,764		14,295
Intercompany notes payable	0		0
Debt	34,000		0
Total liabilities	99,675		34,859
EPR Properties shareholders’ equity	2,471,463		2,276,982
Noncontrolling interests	0		0
Total equity	2,471,463		2,276,982
Total liabilities and equity	2,571,138		2,311,841
Non-Guarantor Subsidiaries [Member]
Rental properties, net	727,844		629,650
Land held for development	204,641		201,342
Property under development	12,413		5,058
Mortgage notes and related accrued interest receivable	62,663		25,804
Investment in a direct financing lease, net	0		0
Investment in joint ventures	5,343		5,275
Cash and cash equivalents	7,534		5,683	6,461	8,301
Restricted cash	1,871		1,829
Deferred financing costs, net	638		684
Accounts receivable, net	14,661		17,274
Intercompany notes receivable	175,757		175,757
Investments in subsidiaries	0		0
Other assets	34,141		29,600
Total assets	1,247,506		1,097,956
Accounts payable and accrued liabilities	2,070		8,174
Dividends payable	0		0
Unearned rents and interest	6,037		2,751
Intercompany notes payable	175,757		175,757
Debt	427,211		335,336
Total liabilities	611,075		522,018
EPR Properties shareholders’ equity	636,054		575,561
Noncontrolling interests	377		377
Total equity	636,431		575,938
Total liabilities and equity	1,247,506		1,097,956
Consolidated Elimination [Member]
Rental properties, net	0		0
Land held for development	0		0
Property under development	0		0
Mortgage notes and related accrued interest receivable	0		0
Investment in a direct financing lease, net	0		0
Investment in joint ventures	0		0
Cash and cash equivalents	0		0
Restricted cash	0		0
Deferred financing costs, net	0		0
Accounts receivable, net	0		0
Intercompany notes receivable	(175,757)		(175,757)
Investments in subsidiaries	(3,107,517)		(2,852,543)
Other assets	0		0
Total assets	(3,283,274)		(3,028,300)
Accounts payable and accrued liabilities	0		0
Dividends payable	0		0
Unearned rents and interest	0		0
Intercompany notes payable	(175,757)		(175,757)
Debt	0		0
Total liabilities	(175,757)		(175,757)
EPR Properties shareholders’ equity	(3,107,517)		(2,852,543)
Noncontrolling interests	0		0
Total equity	(3,107,517)		(2,852,543)
Total liabilities and equity	$ (3,283,274)		$ (3,028,300)