REVENUE FROM CONTRACTS WITH CUSTOMERS - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Revenue from External Customer [Line Items]
Revenues	$ 607,693
10-year agreement
Revenue from External Customer [Line Items]
Contract With Customer Liability	2,100	$ 2,400
Decrease in Contract with Customer, Liability	(300)
Insurance commissions [Member]
Revenue from External Customer [Line Items]
Revenues	$ 2,400

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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