ACQUISITIONS (Details) - USD ($) $ in Thousands			3 Months Ended								12 Months Ended
	Apr. 30, 2015	Apr. 01, 2014	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Acquisitions
Post closing tax benefit											$ 23,000
Cash consideration in escrow deposit			$ 13,000								13,000
Intangible assets:
Goodwill			477,479				$ 404,187				477,479	$ 404,187	$ 404,302
Capital lease obligations			9,061								9,061
Pro forma financial information
Revenue			144,632	$ 142,535	$ 138,010	$ 119,028	115,137	$ 111,006	$ 125,056	$ 123,271	544,205	474,470	482,083
Net income (loss)			8,750	$ (19,180)	$ (3,241)	$ 1,733	$ (630)	$ 5,010	$ (3,419)	$ (2,298)	(11,938)	(1,337)	11,110
Debt issuance costs related to Iris in interest expense											20,445	16,674	$ 12,130
Customer relationships
Intangible assets:
Useful life	8 years
Technology
Intangible assets:
Useful life	3 years
Trade names
Intangible assets:
Useful life	10 years
Non-compete agreements | Minimum
Intangible assets:
Useful life	2 years
Non-compete agreements | Maximum
Intangible assets:
Useful life	5 years
Iris Data Services Inc
Acquisitions
Cash consideration	$ 124,700
Total purchase price	133,800
Cash consideration paid to seller	68,600
Cash consideration paid to plan participants	55,200
Cash consideration paid to plan participants and post-closing working capital adjustment											900
Portion of cash consideration payable to plan participants			600								600
Post-closing working capital settlement paid to the seller			$ 300								300
Goodwill deductible for income tax purposes	5,300
Intangible assets:
Acquired identifiable intangible assets	34,694
Goodwill	73,676
Cash and cash equivalents	197
Accounts receivable	15,208
Other current assets	1,551
Deferred income tax assets	8,484
Property and equipment	10,642
Other long-term assets	246
Intangible assets	34,694
Total assets acquired	144,698
Accounts payable	4,407
Accrued liabilities	4,837
Deferred revenue	1,689
Capital lease obligations	9,061
Total liabilities assumed	19,994
Net assets acquired	124,704
Fair value of intangible assets acquired	34,694
Pro forma financial information
Revenue											29,000
Net income (loss)											(7,100)
Transaction costs											2,500
Debt issuance costs related to Iris											1,000
Debt issuance costs related to Iris in interest expense											700
Iris Data Services Inc | Original Allocation
Intangible assets:
Goodwill	74,852
Cash and cash equivalents	197
Accounts receivable	15,623
Other current assets	2,517
Deferred income tax assets	21,041
Property and equipment	10,642
Other long-term assets	246
Intangible assets	34,694
Total assets acquired	159,812
Accounts payable	4,407
Accrued liabilities	4,868
Deferred revenue	1,580
Deferred income tax liabilities	15,149
Capital lease obligations	9,061
Total liabilities assumed	35,065
Net assets acquired	124,747
Iris Data Services Inc | Allocation Adjustments
Intangible assets:
Goodwill	(1,176)
Accounts receivable	(415)
Other current assets	(966)
Deferred income tax assets	(12,557)
Total assets acquired	(15,114)
Accrued liabilities	(31)
Deferred revenue	109
Deferred income tax liabilities	(15,149)
Total liabilities assumed	(15,071)
Net assets acquired	(43)
Iris Data Services Inc | Customer relationships
Intangible assets:
Acquired identifiable intangible assets	15,400
Fair value of intangible assets acquired	15,400
Iris Data Services Inc | Technology
Intangible assets:
Acquired identifiable intangible assets	8,400
Fair value of intangible assets acquired	8,400
Iris Data Services Inc | Trade names
Intangible assets:
Acquired identifiable intangible assets	7,000
Fair value of intangible assets acquired	7,000
Iris Data Services Inc | Non-compete agreements
Intangible assets:
Acquired identifiable intangible assets	3,894
Fair value of intangible assets acquired	$ 3,894
EPIQ And IRIS Data Services Inc
Pro forma financial information
Revenue											561,038	513,277
Net income (loss)											$ (13,649)	$ (10,230)
Minus - 10
Acquisitions
Cash consideration		$ 302
Net working capital liability		17
Deferred cash consideration		43
Fair value of contingent consideration		933
Total purchase price		1,295
Intangible assets:
Acquired identifiable intangible assets		1,142
Goodwill		153
Net assets acquired		1,295
Fair value of intangible assets acquired		$ 1,142