Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net operating revenues	$ 1,252,964	$ 1,091,517
Costs and expenses:
Cost of services	1,065,813	929,138
General and administrative	31,782	28,075
Depreciation and amortization	46,771	42,539
Total costs and expenses	1,144,366	999,752
Income (loss) from operations	108,598	91,765
Other income and expense:
Loss on early retirement of debt	(10,255)	(19,719)
Equity in earnings of unconsolidated subsidiaries	4,697	5,521
Non-operating gain (loss)	399	(49)
Interest expense	(47,163)	(40,853)
Income (loss) before income taxes	56,276	36,665
Income tax expense	12,294	13,202
Net income	43,982	23,463
Less: Net income attributable to non-controlling interests	10,243	7,593
Net income attributable to Select Medical Holdings Corporation and Select Medical Corporation	$ 33,739	$ 15,870
Income per common share:
Basic (in dollars per share)	$ 0.25	$ 0.12
Diluted (in dollars per share)	$ 0.25	$ 0.12
Weighted average shares outstanding:
Basic (in shares)	129,691	128,464
Diluted (in shares)	129,816	128,628
Select Medical Corporation
Net operating revenues	$ 1,252,964	$ 1,091,517
Costs and expenses:
Cost of services	1,065,813	929,138
General and administrative	31,782	28,075
Depreciation and amortization	46,771	42,539
Total costs and expenses	1,144,366	999,752
Income (loss) from operations	108,598	91,765
Other income and expense:
Loss on early retirement of debt	(10,255)	(19,719)
Equity in earnings of unconsolidated subsidiaries	4,697	5,521
Non-operating gain (loss)	399	(49)
Interest expense	(47,163)	(40,853)
Income (loss) before income taxes	56,276	36,665
Income tax expense	12,294	13,202
Net income	43,982	23,463
Less: Net income attributable to non-controlling interests	10,243	7,593
Net income attributable to Select Medical Holdings Corporation and Select Medical Corporation	$ 33,739	$ 15,870