XML 74 R55.htm IDEA: XBRL DOCUMENT v3.20.1
Investments - Related Parties - Illinois Center Building, L.P. (Details) - Illinois Center Building, L.P. - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
ACP Re Group, Inc.      
Schedule of Equity Method Investments      
Limited Partnership, Percentage Participation 37.50%    
ACP Re      
Schedule of Equity Method Investments      
Limited Partnership, Percentage Participation 15.00%    
NA Advisors GP LLC      
Schedule of Equity Method Investments      
Limited Partnership, Percentage Participation 10.00%    
Limited Partnership, Percentage of Profit Interest 10.00%    
VIE, Not primary beneficiary | Related Parties      
Schedule of Equity Method Investments      
Ownership percentage 37.50%    
Equity investment in unconsolidated subsidiaries $ 44,125   $ 44,379
Equity in earnings (losses) $ (254) $ (1,222)