Acquisitions and Dispositions	12 Months Ended
Acquisitions and Dispositions	Dec. 31, 2021
Property, Plant and Equipment [Abstract]
Acquisitions and Dispositions	7. Acquisitions and Dispositions Asset Acquisition of Operating Properties. During the year ended December 31, 2021, we acquired one operating property comprised of 558 apartment homes located in Dallas, Texas for approximately $165.5 million in October and one operating property comprised of 368 apartment homes located in St. Petersburg, Florida for approximately $176.3 million in August. In June 2021, we also acquired one operating property comprised of 328 apartment homes located in Franklin, Tennessee for approximately $105.3 million and one operating property comprised of 430 apartment homes located in Nashville, Tennessee for approximately $186.3 million. We did not acquire any operating properties during the year ended December 31, 2020. In 2019, we acquired one operating property comprised of 186 apartment homes in Raleigh, North Carolina for approximately $75.1 million, one operating property comprised of 552 apartment homes in Houston, Texas for approximately $147.2 million, one operating property comprised of 326 apartment homes located in Austin, Texas for approximately $120.4 million, and one operating property comprised of 316 apartment homes located in Scottsdale, Arizona for approximately $97.1 million. Acquisitions of Land. During the year ended December 31, 2021, we acquired approximately 2.0 acres of land in Nashville, Tennessee for approximately $36.6 million, approximately 5.2 acres of land in Denver, Colorado for approximately $24.0 million, approximately 14.6 acres of land in The Woodlands, Texas for approximately $9.3 million, and approximately 0.2 acres of land in St. Petersburg, Florida for approximately $2.1 million for future development purposes. During the year ended December 31, 2020, we acquired approximately 4.1 acres of land in Durham, North Carolina for approximately $27.6 million for the development of approximately 354 apartment homes, and approximately 4.9 acres of land in Raleigh, North Carolina for approximately $18.2 million for the future development of approximately 355 apartment homes. In connection with the acquisition of the operating property in Houston, Texas in December 2019, we acquired approximately 2.3 acres of land adjacent to the operating property for approximately $8.0 million for the future development of approximately 300 apartment homes. During the year-ended December 31, 2019, we also acquired approximately 11.6 acres of land in Tempe, Arizona for approximately $18.0 million for the development of 397 apartment homes and approximately 4.3 acres of land in Charlotte, North Carolina for approximately $10.9 million for the development of 387 apartment homes. Land Holding Dispositions. We did not sell any land holdings during the years ended December 31, 2021 and 2019. During the year ended December 31, 2020, we sold approximately 4.7 acres of land adjacent to one of our operating properties in Raleigh, North Carolina for approximately $0.8 million and recognized a gain of $0.4 million. Sale of Operating Properties. During the fourth quarter of 2021, we sold two operating properties comprised of a total of 652 apartment homes, located in Houston, Texas for approximately $115.0 million and recognized a gain of approximately $81.1 million and one property comprised of 426 apartment homes, located in Laurel, Maryland for approximately $145.0 million and recognized a gain of approximately $93.3 million. We did not sell any operating properties during the year ended December 31, 2020. During the year ended December 31, 2019, we sold our remaining three operating properties in Corpus Christi, Texas. The operating properties sold in 2019 included two consolidated communities comprised of 632 apartment homes and one joint venture community comprised of 270 apartment homes. The total net proceeds recognized from the disposition of the two consolidated communities was approximately $69.4 million and we recognized a gain of approximately $49.9 million. See Note 8, "Investments in Joint Ventures" for further discussion of the joint venture community.