Quarterly report pursuant to Section 13 or 15(d)

Nonconsolidated variable interest entities (Details)

v3.10.0.1
Nonconsolidated variable interest entities (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Schedule of Equity Method Investments [Line Items]          
Equity Method Investments $ 2,653   $ 2,653   $ 2,957
Equity in (income) loss of investee companies (134) $ 153 (111) $ 108  
Bagatelle Investors [Member]          
Schedule of Equity Method Investments [Line Items]          
Equity Method Investments 47   47   33
Bagatelle NY [Member]          
Schedule of Equity Method Investments [Line Items]          
Equity Method Investments 2,606   2,606   2,509
One 29 Park [Member]          
Schedule of Equity Method Investments [Line Items]          
Equity Method Investments $ 0   $ 0   $ 415