Debt - Master Trust Notes - Narrative (Details)
3 Months Ended
Feb. 02, 2018
USD ($)
Jan. 23, 2018
USD ($)
Mar. 31, 2018
Subsidiary
Property
trust
Dec. 31, 2017
Debt Instrument [Line Items]        
Number of securitization trusts within program | trust     2  
Master Trust 2014 notes        
Debt Instrument [Line Items]        
Number of properties securing borrowings | Property     790  
Debt issued by, number of subsidiaries | Subsidiary     5  
Master Trust 2013 notes        
Debt Instrument [Line Items]        
Number of properties securing borrowings | Property     295  
Master Trust Notes | Series 2017-1 Class B        
Debt Instrument [Line Items]        
Aggregate principal amount of debt   $ 674,200,000.0    
Stated interest rate   5.49% 6.35% 6.35%
Proceeds from issuance of debt   $ 8,200,000    
Master Trust Notes | Series 2014-2        
Debt Instrument [Line Items]        
Stated interest rate     5.76%  
Debt extinguished $ 11,600,000