Computing Basic and Diluted Earnings Per Common Unit (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Numerator for earnings per unit-basic:
Net income	$ 12,035	$ 10,067	$ 31,951	$ 12,031
Net income allocable to limited partners	(2,344)	(2,446)	(6,662)	(3,236)
Numerator for earnings per share/unit - basic	9,691	7,621	25,289	8,795
Numerator for earnings per share/unit - diluted:
Numerator for earnings per share/unit - diluted	12,035	10,067	31,951	11,023
Denominator for earnings per share/unit - basic and diluted:
Denominator for basic earnings per share/unit - basic	47,213,612	37,271,714	43,576,705	32,408,843
Effective dilutive securities:
Denominator for earnings per share/unit - diluted	60,967,867	50,838,529	57,127,784	42,101,077
Basic earnings per share/unit:
Net income allocable to units	$ 0.21	$ 0.20	$ 0.58	$ 0.27
Diluted earnings per share/unit:
Net income allocable to units	$ 0.20	$ 0.20	$ 0.56	$ 0.26
Stock Option
Effective dilutive securities:
Incremental to dilutive securities	2,155,075	1,599,302	1,953,632	1,454,735
Restricted Stock Units (RSUs)
Effective dilutive securities:
Incremental to dilutive securities	179,403	29,093	118,904	16,169
Aviv Healthcare Properties Limited Partnership
Numerator for earnings per unit-basic:
Net income	12,035	10,067	31,951	12,031
Net income allocable to limited partners				(1,008)
Numerator for earnings per share/unit - basic	12,035	10,067	31,951	11,023
Numerator for earnings per share/unit - diluted:
Numerator for earnings per share/unit - diluted	$ 12,035	$ 10,067	$ 31,951	$ 11,023
Denominator for earnings per share/unit - basic and diluted:
Denominator for basic earnings per share/unit - basic	58,633,389	49,210,134	55,055,248	40,630,173
Effective dilutive securities:
Denominator for earnings per share/unit - diluted	60,967,867	50,838,529	57,127,784	42,101,077
Basic earnings per share/unit:
Net income allocable to units	$ 0.21	$ 0.20	$ 0.58	$ 0.27
Diluted earnings per share/unit:
Net income allocable to units	$ 0.20	$ 0.20	$ 0.56	$ 0.26
Aviv Healthcare Properties Limited Partnership | Stock Option
Effective dilutive securities:
Incremental to dilutive securities	2,155,075	1,599,302	1,953,632	1,454,735
Aviv Healthcare Properties Limited Partnership | Restricted Stock Units (RSUs)
Effective dilutive securities:
Incremental to dilutive securities	179,403	29,093	118,904	16,169