Supplemental Condensed Consolidating Financial Information (Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 92,449	$ 66,655	$ 84,958	$ 82,306
Accounts receivable, net of allowance for doubtful accounts	276,378	280,858
Prepaid expenses and other current assets	42,559	35,413
Total current assets	411,386	382,926
Property and equipment, net	227,670	244,145
Goodwill	2,229,228	2,230,100
Intangible assets, net	1,638,654	1,707,863
Other assets, net	9,776	8,500
Total assets	4,516,714	4,573,534
Current liabilities:
Accounts payable	26,316	27,950
Accrued expenses	177,796	167,169
Deferred revenues	18,189	12,943
Current portion of long-term debt	30,163	32,775
Total current liabilities	252,464	240,837
Long-term debt, excluding current portion	2,740,554	2,741,178
Deferred income tax liabilities	370,233	430,383
Tax receivable agreement obligations to related parties	184,139	173,493
Other long-term liabilities	16,173	11,954
Commitments and contingencies
Equity	953,151	975,689	1,039,705	902,065
Total liabilities and equity	4,516,714	4,573,534
Consolidating Adjustments [Member]
Current assets:
Due from affiliates	(75,473)	(135,406)
Investment in consolidated subsidiaries	(1,820,011)	(1,790,964)
Other assets, net	(291,926)	(253,510)
Total assets	(2,187,410)	(2,179,880)
Current liabilities:
Due to affiliates	(75,473)	(135,406)
Deferred income tax liabilities	(291,926)	(253,510)
Commitments and contingencies
Equity	(1,820,011)	(1,790,964)
Total liabilities and equity	(2,187,410)	(2,179,880)
Change Healthcare Holdings, Inc. [Member]
Current assets:
Cash and cash equivalents	799	738	703	796
Prepaid expenses and other current assets	2,512	2,234
Total current assets	3,311	2,972
Property and equipment, net	1	3
Due from affiliates	75,473	135,406
Investment in consolidated subsidiaries	1,820,011	1,790,964
Intangible assets, net	99	1,000
Other assets, net	292,376	253,960
Total assets	2,191,271	2,184,305
Current liabilities:
Accounts payable	284
Accrued expenses	21,471	10,689
Current portion of long-term debt	8,100	8,099
Total current liabilities	29,855	18,788
Long-term debt, excluding current portion	1,018,174	1,015,243
Tax receivable agreement obligations to related parties	184,139	173,493
Other long-term liabilities	5,952	1,092
Commitments and contingencies
Equity	953,151	975,689
Total liabilities and equity	2,191,271	2,184,305
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	91,650	65,917	$ 84,255	$ 81,510
Accounts receivable, net of allowance for doubtful accounts	276,378	280,858
Prepaid expenses and other current assets	40,047	33,179
Total current assets	408,075	379,954
Property and equipment, net	227,669	244,142
Goodwill	2,229,228	2,230,100
Intangible assets, net	1,638,555	1,706,863
Other assets, net	9,326	8,050
Total assets	4,512,853	4,569,109
Current liabilities:
Accounts payable	26,032	27,950
Accrued expenses	156,325	156,480
Deferred revenues	18,189	12,943
Current portion of long-term debt	22,063	24,676
Total current liabilities	222,609	222,049
Due to affiliates	75,473	135,406
Long-term debt, excluding current portion	1,722,380	1,725,935
Deferred income tax liabilities	662,159	683,893
Other long-term liabilities	10,221	10,862
Commitments and contingencies
Equity	1,820,011	1,790,964
Total liabilities and equity	$ 4,512,853	$ 4,569,109