Guarantor and Non-Guarantor Supplemental Information (Schedule of Condensed Consolidating and Combining Statement of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Condensed Statement Of Income Captions [Line Items]
Net income (loss)	$ (27,205)	$ (4,687)
Amortization and recognition of unrecognized pension cost components, net of income taxes	122	0
Comprehensive income (loss)	(27,083)	(4,687)
Less: Comprehensive income (loss) attributable to noncontrolling interests	356	315
Comprehensive income (loss) attributable to Quorum Health Corporation	(27,439)	(5,002)
Reportable Legal Entities [Member] \| Parent Issuer [Member]
Condensed Statement Of Income Captions [Line Items]
Net income (loss)	(27,561)	0
Amortization and recognition of unrecognized pension cost components, net of income taxes	122	0
Comprehensive income (loss)	(27,439)	0
Less: Comprehensive income (loss) attributable to noncontrolling interests	0	0
Comprehensive income (loss) attributable to Quorum Health Corporation	(27,439)	0
Reportable Legal Entities [Member] \| Other Guarantors [Member]
Condensed Statement Of Income Captions [Line Items]
Net income (loss)	13,325	4,317
Amortization and recognition of unrecognized pension cost components, net of income taxes	122	0
Comprehensive income (loss)	13,447	4,317
Less: Comprehensive income (loss) attributable to noncontrolling interests	0	0
Comprehensive income (loss) attributable to Quorum Health Corporation	13,447	4,317
Reportable Legal Entities [Member] \| Non-Guarantors [Member]
Condensed Statement Of Income Captions [Line Items]
Net income (loss)	(13,800)	(9,004)
Amortization and recognition of unrecognized pension cost components, net of income taxes	0	0
Comprehensive income (loss)	(13,800)	(9,004)
Less: Comprehensive income (loss) attributable to noncontrolling interests	356	315
Comprehensive income (loss) attributable to Quorum Health Corporation	(14,156)	(9,319)
Eliminations [Member]
Condensed Statement Of Income Captions [Line Items]
Net income (loss)	831	0
Amortization and recognition of unrecognized pension cost components, net of income taxes	(122)	0
Comprehensive income (loss)	709	0
Less: Comprehensive income (loss) attributable to noncontrolling interests	0	0
Comprehensive income (loss) attributable to Quorum Health Corporation	$ 709	$ 0

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Other Comprehensive Income
-URI http://asc.fasb.org/extlink&oid=51831270

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Comprehensive Income
-URI http://asc.fasb.org/extlink&oid=51831223

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e557-108580

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=51831255

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