Trade Names/Trademarks and Other Intangible Assets, Net - Other Intangible Assets-Net (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Definite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Weighted Average Amortization Period, finite lives	18 years 9 months 18 days
Other Intangible Assets [Member]
Definite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Gross Carrying Amount, total	$ 41,120	$ 41,120
Accumulated Amortization, finite lives	26,224	23,112
Net Carrying Value, total	14,896	18,008
Net Carrying Value, indefinite lives	$ 120	$ 120
Other Intangible Assets [Member] | Favorable Lease Asset [Member]
Definite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Weighted Average Amortization Period, finite lives	39 years	39 years
Gross Carrying Amount, total	$ 18,200	$ 18,200
Accumulated Amortization, finite lives	3,734	3,267
Net Carrying Value, total	$ 14,466	$ 14,933
Other Intangible Assets [Member] | Reseller Agreements [Member]
Definite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Weighted Average Amortization Period, finite lives	8 years 1 month 6 days	8 years 1 month 6 days
Gross Carrying Amount, total	$ 22,300	$ 22,300
Accumulated Amortization, finite lives	22,032	19,487
Net Carrying Value, total	$ 268	$ 2,813
Other Intangible Assets [Member] | Non-Compete Agreement [Member]
Definite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Weighted Average Amortization Period, finite lives	5 years	5 years
Gross Carrying Amount, total	$ 500	$ 500
Accumulated Amortization, finite lives	458	358
Net Carrying Value, total	$ 42	$ 142