GOODWILL AND OTHER INTANGIBLE ASSETS - Contingent Consideration Liabilities (Detail) $ in Thousands	6 Months Ended
Jun. 30, 2020 USD ($) period	Jun. 30, 2019 USD ($)
Contingent consideration liabilities
Payments	$ (1,641)	$ (6,450)
Number of initial annual contingent consideration earn-out periods \| period	5
Other Liabilities
Contingent consideration liabilities
Beginning balance	$ 5,752	11,630
Additions	17,649
Accretion	497	286
Payments	(5,800)	(6,450)
Ending balance	$ 18,098	$ 5,466

Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability up to amount recognized at acquisition date, including, but not limited to, measurement period adjustment and less amount paid soon after acquisition date.

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Amount of increase in the value of contingent consideration liability related to recognition of liability arising from business combinations during the period.

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The number of annual contingent consideration earn-out periods.

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