Related Party Transactions (Details) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended | | | |
Jun. 30, 2022 USD ($) transaction $ / shares shares | Dec. 31, 2021 USD ($) | Jul. 31, 2021 USD ($) | Sep. 30, 2022 USD ($) $ / shares shares | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) $ / shares shares | Sep. 30, 2021 USD ($) | May 31, 2022 USD ($) $ / shares shares | Jan. 31, 2022 USD ($) | Jan. 31, 2021 USD ($) |
Related Party Transaction [Line Items] | | | | | | | | | | |
Stock repurchase program, authorized (in shares) | shares | | | | 0 | | 0 | | | | |
Revenue | | | | $ 335,585 | $ 214,129 | $ 1,020,491 | $ 624,822 | | | |
Operating Lease, Right-of-Use Asset | | $ 12,600 | | 12,800 | | 12,800 | | | | |
Lease liabilities | | 13,200 | | 13,625 | | 13,625 | | | | |
Home sales | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Revenue | | | | 326,496 | 208,916 | 975,269 | 603,281 | | | |
Cost of sales and expenses | | | | 258,362 | 175,349 | 770,220 | 511,177 | | | |
Lot sales and other | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Revenue | | | | 9,089 | 5,213 | 45,222 | 21,541 | | | |
Cost of sales and expenses | | | | 10,737 | 3,419 | 40,546 | 16,929 | | | |
California | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Revenue | | | | 118,977 | 110,046 | 343,466 | 346,680 | | | |
Private Placement Warrants | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Stock repurchase program, authorized (in shares) | shares | 2,800,000 | | | | | | | | | |
Landsea Holding Share Repurchase Program | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Number of transactions | transaction | 2 | | | | | | | | | |
Stock repurchase program, authorized (in shares) | shares | 4,400,000 | | | | | | | | | |
Stock repurchase program, authorized amount | $ 30,000 | | | | | | | | | |
Stock consideration, share price (in dollars per share) | $ / shares | $ 6.82 | | | | | | | $ 7.18 | | |
Discount rate | 5% | | | | | | | | | |
Landsea Holding Share Repurchase Program | Private Placement Warrants | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Stock repurchase program, authorized (in shares) | shares | 5,500,000 | | | | | | | | | |
Stock repurchase program, authorized amount | | | | $ 8,400 | | $ 8,400 | | | | |
Stock consideration, share price (in dollars per share) | $ / shares | $ 3 | | | | | | | | | |
Landsea Holding Share Repurchase Program | Private Placement Warrants | Landsea Holdings | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Stock repurchase program, authorized (in shares) | shares | 2,200,000 | | | | | | | | | |
Share Repurchase Program | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Stock repurchase program, authorized (in shares) | shares | | | | | | | | 4,398,826 | | |
Stock repurchase program, authorized amount | | | | | | | | $ 30,000 | $ 10,000 | |
Stock consideration, share price (in dollars per share) | $ / shares | | | | $ 3 | | $ 3 | | $ 6.82 | | |
Share Repurchase Program | Private Placement Warrants | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Stock repurchase program, authorized amount | | | | $ 16,500 | | $ 16,500 | | | | |
Share Repurchase Program | Private Placement Warrants | Landsea Holdings | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Stock repurchase program, authorized (in shares) | shares | | | | 2,200,000 | | 2,200,000 | | | | |
Stock repurchase program, authorized amount | $ 6,600 | | | $ 6,600 | | $ 6,600 | | | | |
Equity Method Investee | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Due from related parties | | 2,100 | | 2,800 | | 2,800 | | | | |
Affiliated Entity | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Payments for rent | | | | 200 | | 600 | | | | |
Operating Lease, Right-of-Use Asset | | 2,000 | | 1,500 | | 1,500 | | | | |
Lease liabilities | | 2,000 | | 1,500 | | 1,500 | | | | |
Related party interest expense | | | | 0 | 278 | 69 | 1,042 | | | |
Affiliated Entity | Home sales | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Revenue from Related Parties | | $ 15,200 | | | | | | | | |
Related party interest expense | | | | 714 | 2,571 | 3,831 | 9,813 | | | |
Affiliated Entity | Lot Sales and Other | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Revenue | | | | 0 | 0 | 1,249 | 0 | | | |
Cost of sales and expenses | | | | 0 | $ 0 | 1,256 | $ 0 | | | |
Affiliated Entity | California | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Related party transaction, rate | | | 7% | | | | | | | |
Related party interest expense | | | | 200 | | 800 | | | | |
Developed lots purchased in the period | | | | 1,700 | | 7,900 | | | | |
Affiliated Entity | Predetermined Land Purchase Price | California | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Related party transaction, amounts of transaction | | | $ 28,900 | | | | | | | |
Affiliated Entity | Sale and Lease Back of Model Homes | Lot Sales and Other | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Revenue | | | | | | 1,200 | | | | |
LHold | Corporate Joint Venture | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Deferred tax assets transferred to Landsea Holdings | | | | | | | | | | $ 12,100 |
Landsea Capital Fund | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Related party transaction, amounts of transaction | | | | $ 3,100 | | $ 3,100 | | | | |
Landsea Capital Fund | LCF JV | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | |
Related party transaction, amounts of transaction | $ 55,000 | | | | | | | | | |