LONG-TERM DEBT, DERIVATIVES AND LETTERS OF CREDIT - Credit Facility, Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)	Aug. 31, 2019 USD ($)	Aug. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Line of Credit Facility [Line Items]
Borrowing capacity	$ 275,000
Additional borrowing capacity (up to)			$ 100,000
Commitment fees on unused borrowing capacity	0.50%
Percentage of equity interests of material first-tier foreign subsidiaries guaranteed to the line of credit facility	65.00%
Senior secured leverage ratio	1.89
Debt service coverage ratio	2.17
Net leverage ratio	4.97
Cash on hand	$ 12,175			$ 18,288
Available borrowing capacity	$ 66,000
LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.75%
Credit Facility
Line of Credit Facility [Line Items]
Unamortized debt issuance costs	$ 2,100
Convertible debt
Line of Credit Facility [Line Items]
Unamortized debt issuance costs	$ 4,756			5,834
December 31, 2019
Line of Credit Facility [Line Items]
Maximum ratio of senior secured debt to consolidated EBITDA	2.75
Minimum debt service coverage ratio	1.25
March 31, 2019
Line of Credit Facility [Line Items]
Maximum ratio of senior secured debt to consolidated EBITDA	2.75
Maximum net leverage ratio	5.50
Minimum debt service coverage ratio	1.25
June 30, 2019
Line of Credit Facility [Line Items]
Maximum ratio of senior secured debt to consolidated EBITDA	2.75
Maximum net leverage ratio	5.25
Minimum debt service coverage ratio	1.25
September 30, 2020
Line of Credit Facility [Line Items]
Maximum ratio of senior secured debt to consolidated EBITDA	2.75
Maximum net leverage ratio	5.00
Minimum debt service coverage ratio	1.25
December 31 2020 And Thereafter
Line of Credit Facility [Line Items]
Maximum ratio of senior secured debt to consolidated EBITDA	2.50
Maximum net leverage ratio	4.50
Minimum debt service coverage ratio	1.50
Standby Letters of Credit
Line of Credit Facility [Line Items]
Outstanding letter of credit	$ 20,500			$ 22,800
Revolving Credit Facility
Line of Credit Facility [Line Items]
Borrowing capacity	225,000
Term Loan Facility
Line of Credit Facility [Line Items]
Borrowing capacity	$ 50,000
Swing Line Facility
Line of Credit Facility [Line Items]
Borrowing capacity		$ 35,000