XML 45 R72.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Future Minimum Base Rents and Lease Payments - Rental Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Leases [Abstract]      
Contingent rental expense $ 9,193 $ 10,740 $ 8,775
Minimum rental expense $ 19,900 $ 15,906 $ 12,412