Prepaid Expenses and Other Assets	12 Months Ended
	Dec. 31, 2021
Prepaid Expenses and Other Assets [Abstract]
Prepaid Expenses and Other Assets	6. Prepaid Expenses and Other Assets Prepaid expenses and other assets included the following (in thousands): December 31, December 31, 2021 2020Prepaid insurance $ 37,814 $ 18,699Lot option and escrow deposits 61,649 39,985Performance deposits 11,196 9,372Deferred financing costs on revolving line of credit, net 5,135 3,206Restricted cash (1) 5,931 4,080Secured note receivable — 2,434Right of use assets 16,939 16,175Other assets and prepaid expenses 28,322 8,082Mortgage loans held for investment 13,456 8,727Derivative assets and mortgage servicing rights 19,645 11,870Total prepaid expenses and other assets $ 200,087 $ 122,630 (1)Restricted cash consists of earnest money deposits for home sale contracts held by third parties as required by various jurisdictions, and certain pledge balances associated with our mortgage repurchase facilities.