Annual report pursuant to Section 13 and 15(d)

Long-Term Debt Long-Term Debt - Covenants (Details)

v3.10.0.1
Long-Term Debt Long-Term Debt - Covenants (Details)
Dec. 31, 2018
USD ($)
Line of Credit Facility [Line Items]  
Minimum EBTDAR to rent ratio 336.00%
Required ratio  
Line of Credit Facility [Line Items]  
Minimum EBTDAR to rent ratio 150.00%
2016 Credit facility  
Line of Credit Facility [Line Items]  
Minimum EBTDAR to rent ratio 336.00%
2016 Credit facility | Required ratio  
Line of Credit Facility [Line Items]  
Minimum EBTDAR to rent ratio 150.00%
2016 Credit facility | Minimum  
Line of Credit Facility [Line Items]  
Net income and retained earnings free of restrictions $ 171,100,000