Annual report pursuant to Section 13 and 15(d)

BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)

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BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
USD ($)
region
community
state
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Jan. 01, 2019
USD ($)
Organization and Presentation [Line Items]        
Entity operations in number of regions | region 3      
Number of states in regions | state 9      
Number of communities in which homes are sold | community 244      
Deposits on real estate under option or contract $ 50,901 $ 51,410    
Depreciation expense 17,300 16,300 $ 15,900  
Debt issuance costs related to credit facility, net 3,300 3,600    
Accumulated amortization of debt issuance costs 8,600 7,600    
Advertising expense 14,600 15,400 15,800  
Contribution to the 401(K) Retirement Plan 4,100 3,700 $ 2,900  
Increase (decrease) to warranty reserve balance 0 0    
Right of use asset 26,332      
Present value of lease liabilities $ 34,231 0    
Non-Structural Items [Member]        
Organization and Presentation [Line Items]        
Warranty period following home closings 2 years      
Cash and Cash Equivalents [Member]        
Organization and Presentation [Line Items]        
Amounts in transit from title companies for home closings $ 54,500 $ 76,100    
Minimum [Member]        
Organization and Presentation [Line Items]        
Base price per house for sale range $ 191      
Community life cycle range 3 years      
Property and equipment useful life 3 years      
Maximum [Member]        
Organization and Presentation [Line Items]        
Base price per house for sale range $ 1,286      
Community life cycle range 5 years      
Property and equipment useful life 7 years      
Maximum [Member] | Structural [Member]        
Organization and Presentation [Line Items]        
Warranty period following home closings 10 years      
Accounting Standards Update 2016-02 [Member]        
Organization and Presentation [Line Items]        
Right of use asset       $ 20,500
Present value of lease liabilities       $ 28,700