ACQUISITIONS - Aggregate Purchase Price Paid for Acquisitions and Other Adjustments to Consideration (Detail) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015
Business Acquisition [Line Items]
Cash	$ 51,197	$ 97,098
Contingent consideration	75
Business Acquisitions in 2016
Business Acquisition [Line Items]
Cash	41,052
Promissory notes	31,063
Deferred consideration	2,045
Contingent consideration	75
Total purchase price	74,235
Business Acquisitions in Year 2015
Business Acquisition [Line Items]
Cash	10,145
Promissory notes reduction resulting from adjustment	(1,789)
Total purchase price	$ 8,356

Business Acquisition, Cost of Acquired Entity, Deferred Consideration

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- Definition

Business combination consideration transferred contingent liabilities incurred.

+ References

No definition available.

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- Definition

Business combination consideration transferred reduction in liabilities incurred.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

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- Definition

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 5
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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

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-Name Accounting Standards Codification
-Topic 230
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-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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