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Warranty reserves (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Warranty reserves [Abstract]        
Balance, beginning of period $ 2,978 $ 2,257 $ 2,839 $ 2,071
Additions to reserves from new home closings 437 362 819 698
Warranty claims (99) (202) (242) (331)
Adjustments to pre-existing reserves (212) (34) (312) (55)
Balance, end of period $ 3,104 $ 2,383 $ 3,104 $ 2,383