XML 90 R71.htm IDEA: XBRL DOCUMENT v3.10.0.1
Business Combinations - Merger Consideration (Narrative) (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Jan. 10, 2017
USD ($)
$ / shares
shares
Jan. 10, 2017
USD ($)
$ / shares
Dec. 31, 2018
Dec. 31, 2017
USD ($)
Dec. 29, 2017
Minimum          
Business Acquisition [Line Items]          
Capitalization rate 4.40%        
Minimum | Investment management contracts          
Business Acquisition [Line Items]          
Management agreement, discount rate 8.00%        
Weighted average useful life 2 years        
Minimum | Vehicles          
Business Acquisition [Line Items]          
Weighted average useful life 20 years        
Minimum | Trade name          
Business Acquisition [Line Items]          
Weighted average useful life 20 years        
Management agreement, royalty rate 1.50%        
Maximum          
Business Acquisition [Line Items]          
Capitalization rate 12.50%        
Maximum | Investment management contracts          
Business Acquisition [Line Items]          
Management agreement, discount rate 10.00%        
Weighted average useful life 18 years        
Maximum | Vehicles          
Business Acquisition [Line Items]          
Weighted average useful life 30 years        
Maximum | Trade name          
Business Acquisition [Line Items]          
Weighted average useful life 30 years        
Management agreement, royalty rate 2.00%        
Colony NorthStar | Minimum | Ground lease obligations          
Business Acquisition [Line Items]          
Weighted average useful life 6 years        
Colony NorthStar | Minimum | Other real estate related intangibles          
Business Acquisition [Line Items]          
Weighted average useful life 1 year        
Colony NorthStar | Maximum | Ground lease obligations          
Business Acquisition [Line Items]          
Weighted average useful life 90 years        
Colony NorthStar | Maximum | Other real estate related intangibles          
Business Acquisition [Line Items]          
Weighted average useful life 17 years        
NSAM and NRF          
Business Acquisition [Line Items]          
Cash assumed $ 437,400 $ 437,400   $ 260,609  
Management agreement, off-market component, value $ 1,500,000 $ 1,500,000   1,514,085  
NSAM          
Business Acquisition [Line Items]          
Business combination, stock exchange, conversion ratio 1.4663        
Cash assumed       152,858  
Management agreement, off-market component, value       $ 0  
Management agreement, discount rate 10.00%        
NSAM | Colony NorthStar          
Business Acquisition [Line Items]          
Ownership interest acquired 32.85% 32.85%      
Colony Capital, Inc. | Colony NorthStar          
Business Acquisition [Line Items]          
Dividend payable assumed in merger $ 226,100 $ 226,100      
Payroll tax liability assumed in merger $ 78,900 $ 78,900      
Class A Common Stock | Colony NorthStar          
Business Acquisition [Line Items]          
Business combination, stock exchange, conversion ratio 1.4663 1.4663 1.4663    
Class A Common Stock | Colony Capital Operating Company, LLC          
Business Acquisition [Line Items]          
Share price (in dollars per share) | $ / shares $ 21.52 $ 21.52      
Class A Common Stock | NSAM | Colony NorthStar          
Business Acquisition [Line Items]          
Business combination, stock exchange, conversion ratio 1.4663        
Class A Common Stock | NorthStar Realty Finance Corp. | Colony NorthStar          
Business Acquisition [Line Items]          
Business combination, stock exchange, conversion ratio 1.3335        
Preferred stock | Colony NorthStar          
Business Acquisition [Line Items]          
Business combination, stock exchange, conversion ratio 1        
Preferred stock | Colony Capital, Inc. | Colony NorthStar          
Business Acquisition [Line Items]          
Number of shares issued for each share held by acquiree | shares 1        
Townsend | NSAM          
Business Acquisition [Line Items]          
Ownership interest acquired 84.00% 84.00%     84.00%