Reconciliation of Activity Related to Redeemable Noncontrolling Interest (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Reconciliation activity related to the redeemable non controlling interest
Beginning Balance	$ 6,221
Accretion to estimated redemption value	(1,303)	(594)
Impact of subsidiary equity transactions	626	(132)
Ending Balance	3,486
Redeemable Noncontrolling Interest
Reconciliation activity related to the redeemable non controlling interest
Beginning Balance	6,221	3,442
Redeemable noncontrolling interest portion of subsidiary net income/(loss)	(68)	11
Accretion to estimated redemption value	1,303	594
Equity transfer among owners	(3,339)
Impact of subsidiary equity transactions	(631)	7
Ending Balance	$ 3,486	$ 4,054

Other activity regarding equity transfers among controlling entity (ACTUA) and noncontrolling owners.

No definition available.

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- Details

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- Definition

Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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- Definition

Value of accretion of temporary equity to its redemption value during the period.

+ References

No definition available.

+ Details

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- Definition

Carrying amount, attributable to parent and noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.27(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The portion of net income or loss attributable to temporary equity interest.

+ References

No definition available.

+ Details

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- Details

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