Annual report pursuant to Section 13 and 15(d)

BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Summary of Changes in Warranty Reserves (Details)

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BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Summary of Changes in Warranty Reserves (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Warranty Reserves    
Balance, beginning of year $ 22,015 $ 24,552
Additions to reserve from new home deliveries 18,503 15,841
Warranty claims (16,775) (18,378)
Adjustments to pre-existing reserves 0 0
Balance, end of year $ 23,743 $ 22,015