Commitments and Contingencies - Additional Information (Detail) (EUR €)	1 Months Ended		9 Months Ended	1 Months Ended	9 Months Ended	1 Months Ended	9 Months Ended	1 Months Ended	9 Months Ended
	Sep. 13, 2013	Jun. 11, 2013 Hospital	Sep. 30, 2013	Jul. 18, 2013 Maximum	Sep. 30, 2013 Maximum	Jul. 18, 2013 Minimum	Sep. 30, 2013 Minimum	Sep. 13, 2013 Rehabilitation Hospital Facility	Sep. 30, 2013 Rehabilitation Hospital Facility
Long-term Purchase Commitment [Line Items]
Number of facilities acquired		2						11	5
Business acquisition cost of acquired entity	€ 184.0
Percentage of rental rate increase		2.00%	9.00%	5.00%	2.00%	2.00%	0.50%
Financing for additional construction	€ 10.0
Business acquisition, Additional Commitment term	2 years
Term of lease	27 years	10 years	20 years
Percentage of annual rent increase	70.00%
Period past due, in days	90 days