Contracts with Customers (Table)

3 Months Ended

Mar. 31, 2018

Contracts with Customers [Abstract]

Schedule of Future minimum payments to be received under non-cancelable customer contracts

Future minimum payments to be received under non-cancelable customer contracts (inclusive of payments for contracts which have not yet commenced, and exclusive of recoveries of operating costs from customers) are as follows for the years ending December 31 (unaudited and in thousands):

2018 (April - December)	$	267,764
2019		295,789
2020		219,661
2021		171,447
2022		105,632
Thereafter		122,238
Total	$	1,182,531