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ACCRUED LIABILITIES (Tables)
 12 Months Ended
Dec. 31, 2021
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities
Accrued liabilities as of December 31, 2021 and 2020 include the following:
(thousands) 2021 2020
Employee compensation and benefits $ 82,870  $ 46,061 
Property taxes 5,382  4,689 
Customer incentives 29,756  18,071 
Accrued interest 8,981  5,819 
Accrued warranty 13,827  3,872 
Income tax payable 28,422  1,666 
Other 12,201  3,024 
Total accrued liabilities $ 181,439  $ 83,202 
Schedule of Accrued Warranty Liabilities
Changes in our accrued warranty liabilities for the years ended December 31, 2021, 2020, and 2019 are as follows:
(thousands) 2021 2020 2019
Beginning balance $ 3,872  $ 2,950  $ 3,143 
Provision 24,202  11,227  11,633 
Payments (17,725) (10,342) (11,872)
Acquisitions 3,478  37  46 
Ending balance $ 13,827  $ 3,872  $ 2,950