Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Disaggregation of Revenue (Details)

v3.8.0.1
Revenue Recognition - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer $ 201,301 $ 152,919
Professional and other 8,001 6,706
Property Management    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 45,319 40,341
Resident Services    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 77,177 60,968
Leasing And Marketing    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 39,416 27,816
Asset Optimization    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 31,388 17,088
On demand    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 193,300 146,213
Professional and other    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 8,001  
Professional and other 8,001 $ 6,706
Effect of Change on Net Income Higher/(Lower) | Adjustments due to ASU 2014-09    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 427  
Effect of Change on Net Income Higher/(Lower) | Adjustments due to ASU 2014-09 | On demand    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer (155)  
Effect of Change on Net Income Higher/(Lower) | Adjustments due to ASU 2014-09 | Professional and other    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer $ 582