Goodwill and Other Intangible Assets - Indefinite-Lived and Finite-Lived Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012
Indefinite-lived and Finite-lived Intangible Assets [Line Items]
Accumulated amortization	(7,248)	(25,093)
Intangible assets, gross (excluding goodwill)	221,340	233,769
Intangible assets, net (excluding goodwill)	214,092	208,676
Customer Relationships [Member]
Indefinite-lived and Finite-lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	22,800	23,200
Accumulated amortization	(819)	(2,434)
Finite-lived intangible assets, net	21,981	20,766
Estimated life (years)	15 years
Customer Relationships [Member] | Minimum [Member]
Indefinite-lived and Finite-lived Intangible Assets [Line Items]
Estimated life (years)		5 years
Customer Relationships [Member] | Maximum [Member]
Indefinite-lived and Finite-lived Intangible Assets [Line Items]
Estimated life (years)		15 years
Management Contracts [Member]
Indefinite-lived and Finite-lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	115,000	115,000
Accumulated amortization	(5,554)	(15,856)
Finite-lived intangible assets, net	109,446	99,144
Management Contracts [Member] | Minimum [Member]
Indefinite-lived and Finite-lived Intangible Assets [Line Items]
Estimated life (years)	7 years	7 years
Management Contracts [Member] | Maximum [Member]
Indefinite-lived and Finite-lived Intangible Assets [Line Items]
Estimated life (years)	20 years	20 years
Beneficial Leases [Member]
Indefinite-lived and Finite-lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	3,990	3,990
Accumulated amortization	(393)	(1,124)
Finite-lived intangible assets, net	3,597	2,866
Beneficial Leases [Member] | Minimum [Member]
Indefinite-lived and Finite-lived Intangible Assets [Line Items]
Estimated life (years)	2 years	2 years
Beneficial Leases [Member] | Maximum [Member]
Indefinite-lived and Finite-lived Intangible Assets [Line Items]
Estimated life (years)	10 years	10 years
Other [Member]
Indefinite-lived and Finite-lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	2,050	14,034
Accumulated amortization	(482)	(5,679)
Finite-lived intangible assets, net	1,568	8,355
Other [Member] | Minimum [Member]
Indefinite-lived and Finite-lived Intangible Assets [Line Items]
Estimated life (years)	1 year	1 year
Other [Member] | Maximum [Member]
Indefinite-lived and Finite-lived Intangible Assets [Line Items]
Estimated life (years)	2 years	5 years
Brands [Member]
Indefinite-lived and Finite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	77,200	77,200
License Rights [Member]
Indefinite-lived and Finite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	300	345