Prepaid Expenses and Other Assets, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Prepaid Expense and Other Assets [Abstract]
Furniture, fixtures and other long-lived assets, net	$ 36,466	$ 36,833
Note receivable	1,542	2,113
Prepaid expenses	17,984	13,927
Total prepaid expenses and other assets, net	55,992	52,873
Notes receivable, valuation allowance	$ 3,600	$ 2,900