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Summary of Significant Accounting Policies - Additional Information (Detail)
12 Months Ended
Dec. 31, 2015
USD ($)
segment
country
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Oct. 07, 2013
Significant Accounting Policies [Line Items]        
Number of reportable segments | segment 2      
Minority economic interest in RMCO (as a percent) 58.33%      
Deferred revenue, additions $ 930,000 $ 917,000    
Recognized revenue 472,000 484,000 $ 596,000  
Impairment of goodwill $ 0 0 0  
Percentage of remaining cash savings from which the entity expects to benefit 15.00%      
Federal tax provision incorporated $ 0      
Outside U.S. and Canada        
Significant Accounting Policies [Line Items]        
Number of countries in which entity operates | country 96      
Residential mortgage operation        
Significant Accounting Policies [Line Items]        
Equity method investment, ownership percentage 50.00%      
Software | Minimum        
Significant Accounting Policies [Line Items]        
Useful life of intangible assets 3 years      
Software | Maximum        
Significant Accounting Policies [Line Items]        
Useful life of intangible assets 5 years      
Accounts Receivable        
Significant Accounting Policies [Line Items]        
Accounts and notes receivable interest rate percentage 2.00%      
Franchise Agreements        
Significant Accounting Policies [Line Items]        
Franchise revenue recognized $ 9,697,000 $ 8,965,000 $ 9,014,000  
RMCO, LLC        
Significant Accounting Policies [Line Items]        
Minority economic interest in RMCO (as a percent) 58.33% 39.89%   39.56%
RIHI and Weston Presidio        
Significant Accounting Policies [Line Items]        
Percentage of cash savings in federal, state and local taxes to be paid in cash under tax receivable agreements 85.00%