Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Summary of Significant Accounting Policies - Additional Information (Details)

v3.21.2
Description of Business and Summary of Significant Accounting Policies - Additional Information (Details)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2021
USD ($)
state
Sep. 30, 2021
USD ($)
state
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
state
item
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Number of reinsurer | item       1    
Percentage of insurance subsidiary's total insurance receivables 11.00% 11.00%   11.00%    
Minimum cash balance required by lender           $ 3,000
Indemnification hold back cost       $ 2,000    
Restricted funds held for payment of possible warranty claims $ 2,800 $ 2,800   $ 2,800    
Number of states regulatory guidelines of warranty claims | state 16 16   16    
Customer deposits $ 500 $ 500   $ 500    
Term of American home protect warranty contracts 3 years          
Number of states in which home warranty policies are provided | state 45 45   45    
Number of additional states | state 4 4   4    
Loan proceeds related to the Paycheck Protection Program Loan           8,400
Allowance for uncollectible receivables $ 367 $ 367   $ 367   $ 249
Deferred policy acquisition costs 3,700 3,700   3,700    
Income tax (benefit) expense   $ (1,836) $ 9 $ (9,917) $ 33  
Effective income tax rate   26.50% (0.10%) 10.30% (0.10%)  
U.S. federal statutory tax rate       21.00%    
Convertible senior notes, due 2026            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Principal Amount of debt $ 425,000 $ 425,000   $ 425,000    
Interest rate (stated) 0.75% 0.75%   0.75%    
Other Noncurrent Assets [Member]            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Indemnification hold back cost       $ 1,000    
ASU 2016 02 | Impacts of adoption            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Right of use asset $ 4,000 $ 4,000   4,000    
Lease liabilities $ 4,000 $ 4,000   $ 4,000