Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Future minimum rentals for leases having initial or remaining noncancelable lease terms in excess of one year

As of December 31, 2017, our future minimum rentals for leases having initial or remaining noncancelable lease terms in excess of one year were as follows (in thousands):



	Agreements With
	Related Party		Others		Total
2018	$	13,241	$	856	$	14,097
2019	13,177		1,112		14,289
2020	13,147		1,111		14,258
2021	13,116		1,099		14,215
2022	13,115		1,099		14,214
Thereafter	276,967		24,639		301,606
Total minimum rental payments	$	342,763	$	29,916	$	372,679

Minimum rental expense for all operating leases

Minimum rental expenses for all operating leases are shown in the following table (in thousands). Contingent rental expense for all operating leases was immaterial.



	Year Ended December 31,
	2017		2016		2015
Minimum rental expenses – related party	$	10,308	$	8,946	$	5,803
Minimum rental expenses – others	1,392		815		1,327
Total minimum rental expenses	$	11,700	$	9,761	$	7,130