GOODWILL AND INTANGIBLE ASSETS (Gross Carrying Amount and Accumulated Amortization by Major Intangible Asset Class) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 776,909	$ 764,383
Accumulated amortization	(79,331)	(71,851)
Total Intangible Assets Subject to Amortization, net	697,578	692,532
Intangible Assets with Indefinite Lives	0	0
Total Intangible Assets, net	697,578	692,532
Amortization expense for the year	11,732	11,869	14,032
Contractual Rights
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	649,506	640,450
Accumulated amortization	(49,000)	(42,470)
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,200	1,450
Accumulated amortization	(925)	(985)
Favorable Lease Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	16,677	16,677
Accumulated amortization	(3,053)	(2,584)
Permitting Permitting Compliance And Zoning Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	88,113	82,596
Accumulated amortization	(16,461)	(14,625)
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	14,393	14,493
Accumulated amortization	(7,275)	(5,927)
Trade names and Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	5,006	5,006
Accumulated amortization	(2,587)	(2,044)
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	2,014	3,711
Accumulated amortization	$ (30)	$ (3,216)