Financial Information for Subsidiary Guarantors and Non-Guarantor Subsidiaries under Select's 6.375% Senior Notes (Details 2) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 22,635	$ 3,354	$ 11,029	$ 4,319
Accounts receivable, net	574,845	444,269
Current deferred tax asset	23,346	15,991
Prepaid income taxes	2,303	17,888
Other current assets	78,402	46,142
Total Current Assets	701,531	527,644
Property and equipment, net	800,430	542,310
Goodwill	2,367,228	1,642,083
Other identifiable intangibles	258,640	72,519
Other assets	186,576	140,253
Total Assets	4,314,405	2,924,809	2,862,077
Current Liabilities:
Bank overdrafts	24,099	21,746
Less: current maturities	17,666	10,874
Accounts payable	118,617	108,532
Accrued payroll	132,872	97,090
Accrued vacation	72,475	63,132
Accrued interest	25,300	10,674
Accrued other	131,460	82,376
Total Current Liabilities	522,489	394,424
Long-term debt, net of current portion	2,333,078	1,542,102
Non-current deferred tax liability	182,963	109,203
Other non-current liabilities	145,277	92,855
Total Liabilities	3,183,807	2,138,584
Redeemable non-controlling interests	257,122	10,985
Stockholder's Equity:
Common stock	131	131
Capital in excess of par	419,477	413,706
Retained earnings (accumulated deficit)	405,689	325,678
Total Select Medical Holdings Corporation and Select Medical Corporation Stockholders' Equity	825,297	739,515
Non-controlling interests	48,179	35,725
Total Equity	873,476	775,240
Total Liabilities and Equity	4,314,405	2,924,809
Select
Current Assets:
Cash and cash equivalents	22,635	3,354	11,029	4,319
Accounts receivable, net	574,845	444,269
Current deferred tax asset	23,346	15,991
Prepaid income taxes	2,303	17,888
Other current assets	78,402	46,142
Total Current Assets	701,531	527,644
Property and equipment, net	800,430	542,310
Goodwill	2,367,228	1,642,083
Other identifiable intangibles	258,640	72,519
Other assets	186,576	140,253
Total Assets	4,314,405	2,924,809
Current Liabilities:
Bank overdrafts	24,099	21,746
Less: current maturities	17,666	10,874
Accounts payable	118,617	108,532
Accrued payroll	132,872	97,090
Accrued vacation	72,475	63,132
Accrued interest	25,300	10,674
Accrued other	131,460	82,376
Total Current Liabilities	522,489	394,424
Long-term debt, net of current portion	2,333,078	1,542,102
Non-current deferred tax liability	182,963	109,203
Other non-current liabilities	145,277	92,855
Total Liabilities	3,183,807	2,138,584
Redeemable non-controlling interests	257,122	10,985
Stockholder's Equity:
Common stock	0	0
Capital in excess of par	898,968	885,407
Retained earnings (accumulated deficit)	(73,671)	(145,892)
Total Select Medical Holdings Corporation and Select Medical Corporation Stockholders' Equity	825,297	739,515
Non-controlling interests	48,179	35,725
Total Equity	873,476	775,240
Total Liabilities and Equity	4,314,405	2,924,809
Select | Reportable legal entities | Select Medical Corporation (Parent Company Only)
Current Assets:
Cash and cash equivalents	5,070	70	8,070	71
Current deferred tax asset	10,487	10,186
Prepaid income taxes		17,888
Other current assets	9,950	7,860
Total Current Assets	25,507	36,004
Property and equipment, net	34,428	17,521
Investment in affiliates	4,107,499	3,725,915
Non-current deferred tax asset	16,257	11,230
Other assets	26,630	32,463
Total Assets	4,210,321	3,823,133
Current Liabilities:
Bank overdrafts	24,099	21,746
Less: current maturities	8,687	8,496
Accounts payable	9,313	9,885
Intercompany payables	2,035,460	1,820,047
Accrued payroll	15,993	17,410
Accrued vacation	5,974	5,070
Accrued interest	22,255	10,596
Accrued other	41,714	39,801
Income taxes payable	763
Total Current Liabilities	2,164,258	1,933,051
Long-term debt, net of current portion	1,168,868	1,098,151
Other non-current liabilities	51,898	52,416
Total Liabilities	3,385,024	3,083,618
Stockholder's Equity:
Common stock	0	0
Capital in excess of par	898,968	885,407
Retained earnings (accumulated deficit)	(73,671)	(145,892)
Total Select Medical Holdings Corporation and Select Medical Corporation Stockholders' Equity	825,297	739,515
Total Equity	825,297	739,515
Total Liabilities and Equity	4,210,321	3,823,133
Select | Reportable legal entities | Subsidiary Guarantors
Current Assets:
Cash and cash equivalents	4,143	2,454	1,051	3,098
Accounts receivable, net	381,794	376,780
Current deferred tax asset	3,575	2,458
Intercompany receivables	2,035,460	1,698,600
Other current assets	34,930	32,919
Total Current Assets	2,459,902	2,113,211
Property and equipment, net	511,997	468,138
Investment in affiliates	83,840	82,514
Goodwill	1,651,924	1,642,083
Other identifiable intangibles	72,775	72,519
Other assets	101,960	106,843
Total Assets	4,882,398	4,485,308
Current Liabilities:
Less: current maturities	1,709	1,844
Accounts payable	91,736	84,304
Intercompany payables	142,959
Accrued payroll	80,742	79,435
Accrued vacation	48,970	49,315
Accrued interest	50	78
Accrued other	40,509	34,107
Total Current Liabilities	406,675	249,083
Long-term debt, net of current portion	427,959	364,794
Non-current deferred tax liability	113,557	112,013
Other non-current liabilities	43,726	35,576
Total Liabilities	991,917	761,466
Stockholder's Equity:
Retained earnings (accumulated deficit)	1,198,862	1,048,455
Subsidiary investment	2,691,619	2,675,387
Total Select Medical Holdings Corporation and Select Medical Corporation Stockholders' Equity	3,890,481	3,723,842
Total Equity	3,890,481	3,723,842
Total Liabilities and Equity	4,882,398	4,485,308
Select | Reportable legal entities | Non-Guarantor Subsidiaries
Current Assets:
Cash and cash equivalents	715	830	$ 1,908	$ 1,150
Accounts receivable, net	66,420	67,489
Current deferred tax asset	3,646	3,347
Intercompany receivables	142,959	121,447
Other current assets	5,375	5,363
Total Current Assets	219,115	198,476
Property and equipment, net	55,680	56,651
Other assets	694	947
Total Assets	275,489	256,074
Current Liabilities:
Less: current maturities	1,221	534
Accounts payable	12,332	14,343
Accrued payroll	367	245
Accrued vacation	9,100	8,747
Accrued other	10,295	8,468
Total Current Liabilities	33,315	32,337
Long-term debt, net of current portion	92,380	79,157
Non-current deferred tax liability	6,695	8,420
Other non-current liabilities	5,274	4,863
Total Liabilities	137,664	124,777
Redeemable non-controlling interests	11,593	10,985
Stockholder's Equity:
Retained earnings (accumulated deficit)	(380)	8,366
Subsidiary investment	83,443	76,221
Total Select Medical Holdings Corporation and Select Medical Corporation Stockholders' Equity	83,063	84,587
Non-controlling interests	43,169	35,725
Total Equity	126,232	120,312
Total Liabilities and Equity	275,489	256,074
Select | Reportable legal entities | Non-Guarantor Concentra
Current Assets:
Cash and cash equivalents	12,707
Accounts receivable, net	126,631
Current deferred tax asset	5,638
Prepaid income taxes	3,066
Other current assets	28,147
Total Current Assets	176,189
Property and equipment, net	198,325
Goodwill	715,304
Other identifiable intangibles	185,865
Other assets	57,292
Total Assets	1,332,975
Current Liabilities:
Less: current maturities	6,049
Accounts payable	5,236
Accrued payroll	35,770
Accrued vacation	8,431
Accrued interest	2,995
Accrued other	38,942
Total Current Liabilities	97,423
Long-term debt, net of current portion	643,871
Non-current deferred tax liability	78,968
Other non-current liabilities	44,379
Total Liabilities	864,641
Redeemable non-controlling interests	245,529
Stockholder's Equity:
Retained earnings (accumulated deficit)	(140)
Subsidiary investment	217,935
Total Select Medical Holdings Corporation and Select Medical Corporation Stockholders' Equity	217,795
Non-controlling interests	5,010
Total Equity	222,805
Total Liabilities and Equity	1,332,975
Select | Eliminations
Current Assets:
Intercompany receivables	(2,178,419)	(1,820,047)
Prepaid income taxes	(763)
Total Current Assets	(2,179,182)	(1,820,047)
Investment in affiliates	(4,191,339)	(3,808,429)
Non-current deferred tax asset	(16,257)	(11,230)
Total Assets	(6,386,778)	(5,639,706)
Current Liabilities:
Intercompany payables	(2,178,419)	(1,820,047)
Income taxes payable	(763)
Total Current Liabilities	(2,179,182)	(1,820,047)
Non-current deferred tax liability	(16,257)	(11,230)
Total Liabilities	(2,195,439)	(1,831,277)
Stockholder's Equity:
Retained earnings (accumulated deficit)	(1,198,342)	(1,056,821)
Subsidiary investment	(2,992,997)	(2,751,608)
Total Select Medical Holdings Corporation and Select Medical Corporation Stockholders' Equity	(4,191,339)	(3,808,429)
Total Equity	(4,191,339)	(3,808,429)
Total Liabilities and Equity	(6,386,778)	$ (5,639,706)
Concentra Inc
Current Liabilities:
Less: current maturities	6,049
Long-term debt, net of current portion	$ 643,871