Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Future Minimum Rental Payments Under Lease Agreements

Future minimum rental payments under these agreements are as follows (in thousands):

Year Ended December 31,	Amount
2019	$	7,086
2020	5,227
2021	4,109
2022	2,918
2023	2,209
Thereafter	1,198
	$	22,747

Future Minimum Rental Receipts Under Non - Cancelable Lease Agreements

Rental income and related expenses are included in “Other income (expense)” on the Consolidated Statements of Operations. Future minimum rental receipts under non-cancelable lease agreements are as follows (in thousands):

Year Ended December 31,	Amount
2019	307
2020	307
2021	307
2022	307
	$	1,228