Related Party Transactions	6 Months Ended
	Jun. 30, 2021
Related Party Transactions [Abstract]
Related Party Transactions	Related Party TransactionsThe Company has a sublease agreement with CVentures, Inc. Larry A. Mizel, the Executive Chairman of the Company, is the President of CVentures, Inc. The sublease is for office space that CVentures, Inc. has continuously leased from the Company since 2005. The current sublease term commenced November 1, 2016 and will continue through October 31, 2026. The sublease agreement is for approximately 5,437 rentable square feet at a base rent that increases over the term from $26.50 to $31.67 per rentable square foot per year. The sublease rent is an allocation of the rent under the master lease agreement based on the sublease square footage.