XML 90 R44.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Organization and Summary of Significant Accounting Policies - Additional Information (Detail)
1 Months Ended 3 Months Ended 12 Months Ended
Oct. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2019
USD ($)
state
brand
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Jan. 01, 2019
USD ($)
Jan. 01, 2018
USD ($)
Debt Instrument [Line Items]              
Number of quality brands in portfolio | brand     6        
Number of states in which entity operates | state     10        
Impairment charges     $ 10,078,000 $ 0 $ 854,000    
Impairment of investments in unconsolidated entities     $ 0 0 13,200,000    
Reduction in deferred tax asset       $ (740,000) $ 22,000,000.0    
Goodwill impairment loss $ 0            
Cumulative effect adjustment to the opening balance sheet             $ (7,354,000)
ASC 842              
Debt Instrument [Line Items]              
Cumulative effect adjustment to the opening balance sheet           $ 57,400,000  
Dallas-based homebuilder              
Debt Instrument [Line Items]              
Cash payment to acquire homebuilder   $ 61,500,000