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Insurance and Construction Defect Claim Reserves (Tables)
12 Months Ended
Dec. 31, 2021
Insurance [Abstract]  
Schedule of Liability for Unpaid Claims and Claims Adjustment Expense These reserves are included as a component of accounts payable and accrued liabilities and accrued and other liabilities in either the financial services or homebuilding sections of the consolidated balance sheets, respectively.
December 31,
202120202019
(Dollars in thousands)
Balance at beginning of period$70,054 $60,415 $55,308 
Expense provisions19,653 15,403 12,650 
Cash payments, net of recoveries(7,520)(5,764)(8,493)
Adjustments— — 950 
Balance at end of period$82,187 $70,054 $60,415