XML 41 R30.htm IDEA: XBRL DOCUMENT v3.21.1
Basis of Presentation Details (Details)
Mar. 31, 2021
Oct. 05, 2017
Majority Shareholder [Member] | D.R. Horton, Inc. [Member]    
Entity Information [Line Items]    
Sale of Stock, Percentage of Ownership after Transaction 64.00% 75.00%