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Related Party Transactions	12 Months Ended
Related Party Transactions	Dec. 31, 2019
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions During the year ended December 31, 2019, we entered into Lot Purchase Agreements to purchase finished building lots for a total purchase price of approximately $100,600 with Elm Street Development, Inc. (“Elm Street”), which is controlled by one of our directors, William Moran. The independent members of our Board of Directors approved these transactions. During 2019, 2018 and 2017, we purchased developed lots at market prices from Elm Street for approximately $44,600, $36,100 and $37,100, respectively. We also continue to control a parcel of raw land expected to yield approximately 2,200 finished lots through a JV entered into with Elm Street during 2009. We did not make any investments in the JV in 2019 or 2018. During 2017, we and Elm Street each made an additional investment of $2,900 in the JV.