Contractual Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Estimated Annual Lease, Royalty and Employment Agreement Expenses

The estimated annual lease payments, meeting space commitments are as follows (in thousands):

Twelve months ended September 30,
2018	$	2,634
2019	2,826
2020	1,707
2021	1,428
2022	1,470
Thereafter	495
	$	10,560