Quarterly report pursuant to Section 13 or 15(d)

Nonconsolidated variable interest entities (Details)

v3.8.0.1
Nonconsolidated variable interest entities (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Schedule of Equity Method Investments [Line Items]      
Equity Method Investments $ 2,519   $ 2,957
Equity in loss (income) of investee companies 23 $ (45)  
Bagatelle Investors [Member]      
Schedule of Equity Method Investments [Line Items]      
Equity Method Investments 30   33
Bagatelle NY [Member]      
Schedule of Equity Method Investments [Line Items]      
Equity Method Investments 2,489   2,509
One 29 Park [Member]      
Schedule of Equity Method Investments [Line Items]      
Equity Method Investments $ 0   $ 415