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REVENUE FROM CONTACTS WITH CUSTOMERS - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Revenue from External Customer [Line Items]
Revenue	$ 164,769	$ 150,943	$ 327,493	$ 298,420
10-year agreement
Revenue from External Customer [Line Items]
Contract liability	1,900		1,900		$ 2,100
Decrease in Contract with Customer, Liability	(100)		(200)
Insurance commissions [Member]
Revenue from External Customer [Line Items]
Revenue	$ 4	$ 300	$ 2,700	$ 2,400

X

- Definition

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

+ References

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-Publisher FASB
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+ References

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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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