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ACCRUED EXPENSES AND OTHER LIABILITIES - Summary of Changes in Reserves (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Changes in Warranty Reserves    
Reserve - beginning of period $ 141,839 $ 118,116
Other additions to reserves 8,884 12,391
Cost of claims incurred (12,473) (15,865)
Changes in estimates to pre-existing reserves 2,720 1,764
Reserve - end of period $ 140,970 $ 116,406