Guarantor and Non-Guarantor Supplemental Information (Schedule of Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 2,265		$ 3,203
Patient accounts receivable	270,923		322,608
Inventories	41,447		45,646
Prepaid expenses	21,653		19,683
Due from third-party payors	57,071		63,443
Current assets of hospitals held for sale	35,380		0
Other current assets	33,604		36,405
Total current assets	462,343		490,988
Intercompany receivable	0		0
Property and equipment, net	496,555		559,438
Goodwill	391,658		401,073
Intangible assets, net	41,066		48,289
Operating lease right-of-use assets	84,854		0
Long-term assets of hospitals held for sale	25,796		0
Other long-term assets	65,954		74,306
Net investment in subsidiaries	0		0
Total assets	1,568,226		1,574,094
Current liabilities:
Current maturities of long-term debt	1,646		1,697
Current portion of operating lease liabilities	23,797		0
Accounts payable	140,768		143,917
Accrued liabilities:
Accrued salaries and benefits	61,006		76,908
Accrued interest	10,517		10,024
Due to third-party payors	37,218		45,852
Current liabilities of hospitals held for sale	10,675		0
Other current liabilities	38,573		43,336
Total current liabilities	324,200		321,734
Long-term debt	1,210,523		1,191,777
Long-term operating lease liabilities	61,554		0
Intercompany payable	0		0
Deferred income tax liabilities, net	6,978		6,736
Long-term liabilities of hospitals held for sale	3,248		0
Other long-term liabilities	89,245		126,499
Total liabilities	1,695,748		1,646,746
Redeemable noncontrolling interests	2,278	$ 2,278	2,278	$ 2,301	$ 2,316	$ 2,325
Quorum Health Corporation stockholders' equity (deficit):
Preferred stock	0		0
Common stock	3		3
Additional paid-in capital	559,487		557,309
Accumulated other comprehensive income (loss)	856		759
Accumulated deficit	(705,071)		(648,464)
Total Quorum Health Corporation stockholders' equity (deficit)	(144,725)		(90,393)
Nonredeemable noncontrolling interests	14,925		15,463
Total equity (deficit)	(129,800)	$ (114,129)	(74,930)	$ (8,595)	$ 16,073	$ 113,410
Total liabilities and equity	1,568,226		1,574,094
Reportable Legal Entities [Member] | Parent Issuer [Member]
Current assets:
Cash and cash equivalents	1,240		1,209
Patient accounts receivable	0		0
Inventories	0		0
Prepaid expenses	0		33
Due from third-party payors	0		0
Current assets of hospitals held for sale	0
Other current assets	247		314
Total current assets	1,487		1,556
Intercompany receivable	3		3
Property and equipment, net	0		0
Goodwill	0		0
Intangible assets, net	0		0
Operating lease right-of-use assets	0
Long-term assets of hospitals held for sale	0
Other long-term assets	0		0
Net investment in subsidiaries	1,440,271		1,428,675
Total assets	1,441,761		1,430,234
Current liabilities:
Current maturities of long-term debt	0		0
Current portion of operating lease liabilities	0
Accounts payable	56		121
Accrued liabilities:
Accrued salaries and benefits	0		0
Accrued interest	10,517		10,024
Due to third-party payors	0		0
Current liabilities of hospitals held for sale	0
Other current liabilities	0		248
Total current liabilities	10,573		10,393
Long-term debt	1,188,792		1,169,214
Long-term operating lease liabilities	0
Intercompany payable	380,143		334,284
Deferred income tax liabilities, net	6,978		6,736
Long-term liabilities of hospitals held for sale	0
Other long-term liabilities	0		0
Total liabilities	1,586,486		1,520,627
Redeemable noncontrolling interests	0		0
Quorum Health Corporation stockholders' equity (deficit):
Preferred stock	0		0
Common stock	3		3
Additional paid-in capital	559,487		557,309
Accumulated other comprehensive income (loss)	856		759
Accumulated deficit	(705,071)		(648,464)
Total Quorum Health Corporation stockholders' equity (deficit)	(144,725)		(90,393)
Nonredeemable noncontrolling interests	0		0
Total equity (deficit)	(144,725)		(90,393)
Total liabilities and equity	1,441,761		1,430,234
Reportable Legal Entities [Member] | Other Guarantors [Member]
Current assets:
Cash and cash equivalents	729		1,457
Patient accounts receivable	186,644		260,339
Inventories	32,566		36,349
Prepaid expenses	16,400		15,269
Due from third-party payors	53,009		57,049
Current assets of hospitals held for sale	35,380
Other current assets	23,280		23,714
Total current assets	348,008		394,177
Intercompany receivable	766,108		661,887
Property and equipment, net	356,467		419,292
Goodwill	225,628		235,418
Intangible assets, net	36,288		43,575
Operating lease right-of-use assets	49,396
Long-term assets of hospitals held for sale	25,796
Other long-term assets	50,150		57,047
Net investment in subsidiaries	0		0
Total assets	1,857,841		1,811,396
Current liabilities:
Current maturities of long-term debt	1,499		1,557
Current portion of operating lease liabilities	15,694
Accounts payable	120,049		122,999
Accrued liabilities:
Accrued salaries and benefits	41,264		55,780
Accrued interest	0		0
Due to third-party payors	30,968		38,560
Current liabilities of hospitals held for sale	10,675
Other current liabilities	26,755		28,713
Total current liabilities	246,904		247,609
Long-term debt	21,586		22,370
Long-term operating lease liabilities	33,672
Intercompany payable	333,743		303,063
Deferred income tax liabilities, net	0		0
Long-term liabilities of hospitals held for sale	3,248
Other long-term liabilities	183,318		212,240
Total liabilities	822,471		785,282
Redeemable noncontrolling interests	0		0
Quorum Health Corporation stockholders' equity (deficit):
Preferred stock	0		0
Common stock	0		0
Additional paid-in capital	1,134,816		1,183,608
Accumulated other comprehensive income (loss)	856		759
Accumulated deficit	(100,302)		(158,253)
Total Quorum Health Corporation stockholders' equity (deficit)	1,035,370		1,026,114
Nonredeemable noncontrolling interests	0		0
Total equity (deficit)	1,035,370		1,026,114
Total liabilities and equity	1,857,841		1,811,396
Reportable Legal Entities [Member] | Non-Guarantors [Member]
Current assets:
Cash and cash equivalents	296		537
Patient accounts receivable	84,279		62,269
Inventories	8,881		9,297
Prepaid expenses	5,253		4,381
Due from third-party payors	4,062		6,394
Current assets of hospitals held for sale	0
Other current assets	10,077		12,377
Total current assets	112,848		95,255
Intercompany receivable	333,740		303,059
Property and equipment, net	140,088		140,146
Goodwill	166,030		165,655
Intangible assets, net	4,778		4,714
Operating lease right-of-use assets	35,458
Long-term assets of hospitals held for sale	0
Other long-term assets	15,804		17,259
Net investment in subsidiaries	0		0
Total assets	808,746		726,088
Current liabilities:
Current maturities of long-term debt	147		140
Current portion of operating lease liabilities	8,103
Accounts payable	20,663		20,797
Accrued liabilities:
Accrued salaries and benefits	19,742		21,128
Accrued interest	0		0
Due to third-party payors	6,250		7,292
Current liabilities of hospitals held for sale	0
Other current liabilities	11,818		14,375
Total current liabilities	66,723		63,732
Long-term debt	145		193
Long-term operating lease liabilities	27,882
Intercompany payable	385,965		327,602
Deferred income tax liabilities, net	0		0
Long-term liabilities of hospitals held for sale	0
Other long-term liabilities	21,689		33,106
Total liabilities	502,404		424,633
Redeemable noncontrolling interests	2,278		2,278
Quorum Health Corporation stockholders' equity (deficit):
Preferred stock	0		0
Common stock	0		0
Additional paid-in capital	631,879		580,824
Accumulated other comprehensive income (loss)	0		0
Accumulated deficit	(342,740)		(297,110)
Total Quorum Health Corporation stockholders' equity (deficit)	289,139		283,714
Nonredeemable noncontrolling interests	14,925		15,463
Total equity (deficit)	304,064		299,177
Total liabilities and equity	808,746		726,088
Eliminations [Member]
Current assets:
Cash and cash equivalents	0		0
Patient accounts receivable	0		0
Inventories	0		0
Prepaid expenses	0		0
Due from third-party payors	0		0
Current assets of hospitals held for sale	0
Other current assets	0		0
Total current assets	0		0
Intercompany receivable	(1,099,851)		(964,949)
Property and equipment, net	0		0
Goodwill	0		0
Intangible assets, net	0		0
Operating lease right-of-use assets	0
Long-term assets of hospitals held for sale	0
Other long-term assets	0		0
Net investment in subsidiaries	(1,440,271)		(1,428,675)
Total assets	(2,540,122)		(2,393,624)
Current liabilities:
Current maturities of long-term debt	0		0
Current portion of operating lease liabilities	0
Accounts payable	0		0
Accrued liabilities:
Accrued salaries and benefits	0		0
Accrued interest	0		0
Due to third-party payors	0		0
Current liabilities of hospitals held for sale	0
Other current liabilities	0		0
Total current liabilities	0		0
Long-term debt	0		0
Long-term operating lease liabilities	0
Intercompany payable	(1,099,851)		(964,949)
Deferred income tax liabilities, net	0		0
Long-term liabilities of hospitals held for sale	0
Other long-term liabilities	(115,762)		(118,847)
Total liabilities	(1,215,613)		(1,083,796)
Redeemable noncontrolling interests	0		0
Quorum Health Corporation stockholders' equity (deficit):
Preferred stock	0		0
Common stock	0		0
Additional paid-in capital	(1,766,695)		(1,764,432)
Accumulated other comprehensive income (loss)	(856)		(759)
Accumulated deficit	443,042		455,363
Total Quorum Health Corporation stockholders' equity (deficit)	(1,324,509)		(1,309,828)
Nonredeemable noncontrolling interests	0		0
Total equity (deficit)	(1,324,509)		(1,309,828)
Total liabilities and equity	$ (2,540,122)		$ (2,393,624)