CONDENSED CONSOLIDATING INFORMATION (Details 3) (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011
Condensed financial statements, captions
Net income	$ 90,092	$ 49,046	$ 363,261
Other comprehensive income:
Foreign currency translation	1,949	2,499	0
Change in unrealized gain on marketable debt securities	(308)	(1,257)	0
Other	223	(13)	0
Total other comprehensive income	1,864	1,229	(4,806)
Comprehensive income	91,956	50,275	0
Comprehensive (loss) income attributable to noncontrolling interest	(534)	62	0
Comprehensive income attributable to common stockholders	92,490	50,213	0
Ventas, Inc.
Condensed financial statements, captions
Net income	90,626	48,984
Other comprehensive income:
Change in unrealized gain on marketable debt securities	(308)	(1,257)
Total other comprehensive income	(308)	(1,257)
Comprehensive income	90,318	47,727
Comprehensive income attributable to common stockholders	90,318	47,727
Wholly Owned Subsidiary Guarantors
Condensed financial statements, captions
Net income	14,584	5,911
Other comprehensive income:
Foreign currency translation	625	820
Other	7	(21)
Total other comprehensive income	632	799
Comprehensive income	15,216	6,710
Comprehensive income attributable to common stockholders	15,216	6,710
Ventas Issuers
Condensed financial statements, captions
Net income	4,736	41,807
Other comprehensive income:
Comprehensive income	4,736	41,807
Comprehensive income attributable to common stockholders	4,736	41,807
Non-Guarantor Subsidiaries
Condensed financial statements, captions
Net income	41,371	(123)
Other comprehensive income:
Foreign currency translation	1,324	1,679
Other	216	8
Total other comprehensive income	1,540	1,687
Comprehensive income	42,911	1,564
Comprehensive (loss) income attributable to noncontrolling interest	(534)	62
Comprehensive income attributable to common stockholders	43,445	1,502
Consolidated Eliminations
Condensed financial statements, captions
Net income	(61,225)	(47,533)
Other comprehensive income:
Comprehensive income	(61,225)	(47,533)
Comprehensive income attributable to common stockholders	$ (61,225)	$ (47,533)