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WARRANTY ACCRUALS (Tables)
9 Months Ended
Sep. 30, 2020
Guarantees and Product Warranties [Abstract]  
Changes in accrual balance
The changes in the Company's accrual balance in the nine months ended September 30, 2020 were as follows (in thousands):
Balance at January 1, 2020$— 
Assumed liability in connection with ECI Merger16,251 
Current period provisions3,127 
Settlements(4,164)
Balance at September 30, 2020$15,214