Represents the maximum leverage ratio required to be maintained under financial covenants.

No definition available.

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- Definition

Represents the accrued dividends payable related to forfeitable dividends being withheld on restricted stock awards.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the maximum percentage of net income that can be paid as dividends and repurchase securities from equity holders.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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- Definition

Represents the preferred stock purchase right declared under the Rights Agreement.

+ References

No definition available.

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of common shares repurchased during the period under the stock repurchase program, to satisfy employee tax withholding obligations.

+ References

No definition available.

+ Details

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Namespace Prefix:	epiq_
Data Type:	xbrli:sharesItemType
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- References

No definition available.

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- Definition

Represents information pertaining to the Shareholder Rights Agreement

+ References

No definition available.

+ Details

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- Definition

Represents the number of common shares repurchased during the period under the stock repurchase program.

+ References

No definition available.

+ Details

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

+ Details

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
-Number 210
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6513228

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
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-Paragraph 1
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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Number 210
-Section 04
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EQUITY - General (Details) $ / shares in Units, $ in Thousands			3 Months Ended												12 Months Ended
	Feb. 25, 2016 $ / shares	Feb. 16, 2016 USD ($)	Dec. 31, 2015 USD ($) $ / shares	Sep. 30, 2015 $ / shares	Jun. 30, 2015 $ / shares	Mar. 31, 2015 $ / shares	Dec. 31, 2014 USD ($) $ / shares	Sep. 30, 2014 $ / shares	Jun. 30, 2014 $ / shares	Mar. 31, 2014 $ / shares	Dec. 31, 2013 $ / shares	Sep. 30, 2013 $ / shares	Jun. 30, 2013 $ / shares	Mar. 31, 2013 $ / shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 USD ($) $ / shares shares	Dec. 31, 2013 USD ($) $ / shares shares	Sep. 18, 2014 shares	Nov. 06, 2013 USD ($)	Jun. 01, 2012 USD ($)
Share Repurchases
Authorized amount under stock repurchase program																			$ 35,000
Share repurchases																	$ 22,881
Dividend
Cash dividends declared per share of common stock \| $ / shares	$ 0.09		$ 0.09	$ 0.09	$ 0.09	$ 0.09	$ 0.09	$ 0.09	$ 0.09	$ 0.09	$ 0.09	$ 0.09	$ 0.09	$ 0.09	$ 0.36	$ 0.36	$ 0.36
Dividends payable			$ 3,599				$ 3,376								$ 3,599	$ 3,376
Dividends payable related to forfeitable dividends			$ 300												300
Cash dividends paid		$ 3,300													13,239	12,793	$ 12,891
Dividends, Common Stock															$ 13,462	$ 13,026	$ 12,801
Shareholder Rights Agreement
Preferred stock purchase right dividend declared \| shares																		1
Credit Agreement
Dividend
Maximum percentage of net income that can be paid as dividends and repurchase securities															50.00%
Net leverage ratio, maximum			4.25												4.25
2012 Program
Share Repurchases
Authorized amount under stock repurchase program																				$ 35,000
Share repurchases (in shares) \| shares																	1,768,296
Share repurchases																	$ 22,900
Weighted average cost of common stock repurchased (in dollars per share) \| $ / shares																	$ 12.94
2014 Share Repurchase Program
Share Repurchases
Share repurchases (in shares) \| shares															0
Repurchase Shares Satisfy Employee Tax Withholding Obligations
Share Repurchases
Share repurchases (in shares) \| shares															230,021	276,032	471,248
Share repurchases															$ 4,200	$ 4,000	$ 6,500
Repurchase of Common Stock for Employee Tax Withholding Obligations Shares \| shares															73,442	47,058	1,143,119