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Share-Based Compensation - Narrative (Details)
1 Months Ended 11 Months Ended 12 Months Ended
Nov. 16, 2017
shares
Jun. 23, 2017
Feb. 01, 2017
shares
Jan. 31, 2017
USD ($)
employee
shares
Jan. 31, 2017
shares
Dec. 31, 2017
USD ($)
shares
Dec. 31, 2017
USD ($)
shares
Dec. 31, 2016
USD ($)
shares
Dec. 31, 2015
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, number of employees that elected not to convert shares | employee       1          
Share-based compensation arrangement, allocated share-based compensation expense | $             $ 81,203,000 $ 10,210,000 $ 27,924,000
General and Administrative                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, allocated share-based compensation expense | $             $ 70,906,000 $ 10,014,000 23,758,000
Omnibus Incentive Plan                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, number of shares authorized (in shares)     16,000,000            
Share-based compensation arrangement, equity instruments other than options, nonvested, number (in shares)           4,631,909 4,631,909    
Restricted Stock                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement by share-based payment award, equity instrument other than options, shares granted (in shares)       62,529     62,529    
Share-based compensation arrangement, equity instruments other than options, nonvested, number (in shares)       6,111 6,111 6,111 6,111 0  
Share-based compensation arrangement, equity instruments other than options, fully vested RSUs (in shares)           56,418 56,418    
Restricted Stock | General and Administrative                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, allocated share-based compensation expense | $             $ (178,000) $ 0 0
Class B Units                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, compensation cost | $             0 $ 0 0
Share-based compensation arrangement, accelerated compensation cost | $       $ 11,601,000          
Share-based compensation arrangement, vested and excluded from conversion or cancellation (in shares)       3,878          
Share-based compensation arrangement, units converted (in shares)       730 730        
Share-based compensation arrangement, forfeited (in shares)       17,669 17,669        
Share-based compensation arrangement, vested, number (in shares)       40,992 40,992        
Share-based compensation arrangement, outstanding, number (in shares)       0 0     49,553  
Share-based compensation arrangement, equity instruments other than options, issued (in shares)         9,838        
Share-based compensation arrangement, accelerated vesting, number of shares (in shares)         7,520        
Class B Units | General and Administrative                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, allocated share-based compensation expense | $             $ 11,998,000 $ 10,014,000 23,758,000
Class B Units | IH6                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, equity instruments other than options, issued (in shares)         9,650        
Class B Units | IH1, IH2, IH3                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, equity instruments other than options, issued (in shares)         188        
Restricted Stock Units (RSUs)                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement by share-based payment award, equity instrument other than options, shares granted (in shares)           3,290,126 4,631,909    
Share-based compensation arrangement, equity instruments other than options, nonvested, number (in shares)           3,097,893 3,097,893 0  
Share-based compensation arrangement, equity instruments other than options, fully vested RSUs (in shares)           2,192,584 2,192,584    
Restricted Stock Units (RSUs) | General and Administrative                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, allocated share-based compensation expense | $             $ 59,086,000 $ 0 $ 0
Restricted Stock Units (RSUs) | IH6 Bonus Awards                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, vested, number (in shares)     241,250            
Share-based compensation arrangement, aggregate fair value granted during period | $           $ 4,825,000      
Restricted Stock Units (RSUs) | Supplemental Bonus Plan                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, aggregate fair value granted during period | $           $ 59,797,000      
Share-based compensation arrangement, equity instruments other than options, issued (in shares)     2,988,120            
Restricted Stock Units (RSUs) | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement by share-based payment award, equity instrument other than options, shares granted (in shares)             874,410    
Share-based compensation arrangement, service-based component of award           25.00% 25.00%    
Share-based compensation arrangement, market-based component           25.00% 25.00%    
Share-based compensation arrangement, performance-based component of award           50.00% 50.00%    
Restricted Stock Units (RSUs) - Performance-Based and Market-Based                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, equity instruments other than options, nonvested, number (in shares)           408,102 408,102    
Restricted Stock Units (RSUs) - Service-Based | Retention Award Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, equity instruments other than options, issued (in shares)             307,327    
Restricted Stock Units (RSUs) - Service-Based | Minimum | Retention Award Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting period             2 years    
Restricted Stock Units (RSUs) - Service-Based | Maximum | Retention Award Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting period             4 years    
Restricted Stock and Restricted Stock Units                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement by share-based payment award, equity instrument other than options, shares granted (in shares)             4,694,438    
Share-based compensation arrangement, equity instruments other than options, nonvested, number (in shares)           3,104,004 3,104,004 0  
Share-based compensation arrangement, equity instruments other than options, fully vested RSUs (in shares)             2,249,002    
Share-based compensation arrangement by share-based payment award, fair value of units vested | $           $ 45,528,000      
Tranche one | Restricted Stock Units (RSUs)                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage     33.00%            
Tranche one | Restricted Stock Units (RSUs) | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage             33.00%    
Tranche one | Restricted Stock Units (RSUs) - Performance-Based and Market-Based | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting period             1 year    
Tranche two | Restricted Stock Units (RSUs)                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage     33.00%            
Tranche two | Restricted Stock Units (RSUs) | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage             33.00%    
Tranche two | Restricted Stock Units (RSUs) - Performance-Based and Market-Based | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting period             2 years    
Tranche three | Restricted Stock Units (RSUs)                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage     33.00%            
Tranche three | Restricted Stock Units (RSUs) | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage             33.00%    
Tranche three | Restricted Stock Units (RSUs) - Performance-Based and Market-Based | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting period             3 years    
Tranche two, anniversary one | Restricted Stock Units (RSUs) | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage   50.00%              
Tranche two, anniversary two | Restricted Stock Units (RSUs) | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage   50.00%              
Tranche three, anniversary one | Restricted Stock Units (RSUs) | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage   25.00%              
Tranche three, anniversary one | Restricted Stock Units (RSUs) - Market-Based | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage             50.00%    
Tranche three, anniversary one | Restricted Stock Units (RSUs) - Performance-Based | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage   50.00%         50.00%    
Tranche three, anniversary two | Restricted Stock Units (RSUs) | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage   25.00%              
Tranche three, anniversary two | Restricted Stock Units (RSUs) - Market-Based | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage             50.00%    
Tranche three, anniversary two | Restricted Stock Units (RSUs) - Performance-Based | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage   50.00%         50.00%    
Tranche three, anniversary three | Restricted Stock Units (RSUs) | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage   25.00%              
Tranche three, anniversary four | Restricted Stock Units (RSUs) | LTIP Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, award vesting rights, percentage   25.00%              
Merger with Starwood Waypoint Homes | Restricted Stock Units (RSUs)                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, equity instruments other than options, assumed in business combination 949,698                
Share-based compensation arrangement, award vesting period             3 years    
Share-based compensation arrangement, equity instruments other than options, issued (in shares)             150,927    
Merger with Starwood Waypoint Homes | Restricted Stock Units (RSUs) | Minimum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share based compensation arrangement, equity instruments other than options, assumed in business combination, award vesting period 3 years                
Merger with Starwood Waypoint Homes | Restricted Stock Units (RSUs) | Maximum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share based compensation arrangement, equity instruments other than options, assumed in business combination, award vesting period 4 years                
Director | Restricted Stock Units (RSUs)                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement, aggregate fair value granted during period | $             $ 1,398,000    
Share-based compensation arrangement, equity instruments other than options, issued (in shares)             69,875