CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues:
Net patient service revenue	$ 175,847	$ 178,499	$ 347,820	$ 354,047
Other revenue	2,262	1,755	4,266	3,652
Total revenues	178,109	180,254	352,086	357,699
Expenses:
Salaries and benefits	99,687	95,166	195,940	189,009
Medical supplies	14,407	16,639	30,249	32,099
Facility rent expenses	10,675	9,925	20,858	19,515
Other operating expenses	10,997	9,961	21,273	18,662
General and administrative expenses	23,161	21,301	43,896	40,983
Depreciation and amortization	15,320	16,247	30,491	31,443
Provision for doubtful accounts	2,015	4,800	5,090	9,861
Interest expense, net	20,473	19,600	40,417	37,155
Gain on the sale of an interest in a joint venture	(1,460)		(1,460)
Early extinguishment of debt		4,473		4,473
Loss on foreign currency transactions	758	45	802	94
Loss (gain) on foreign currency derivative contracts	190	(374)	242	220
Total expenses	196,223	197,783	387,798	383,514
Loss before income taxes	(18,114)	(17,529)	(35,712)	(25,815)
Income tax expense	1,371	1,439	3,150	1,549
Net loss	(19,485)	(18,968)	(38,862)	(27,364)
Net income attributable to noncontrolling interests - redeemable and non-redeemable	(654)	(1,236)	(1,018)	(2,389)
Net loss attributable to Radiation Therapy Services Holdings, Inc. shareholder	(20,139)	(20,204)	(39,880)	(29,753)
Other comprehensive loss:
Unrealized loss on derivative interest rate swap agreements				(333)
Unrealized loss on foreign currency translation	(3,408)	(2,492)	(5,589)	(3,020)
Other comprehensive loss:	(3,408)	(2,492)	(5,589)	(3,353)
Comprehensive loss	(22,893)	(21,460)	(44,451)	(30,717)
Comprehensive loss attributable to noncontrolling interests-redeemable and non-redeemable:	(294)	(903)	(491)	(2,080)
Comprehensive loss attributable to Radiation Therapy Services Holdings, Inc. shareholder	$ (23,187)	$ (22,363)	$ (44,942)	$ (32,797)