Commitments And Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments And Contingencies [Abstract]

Schedule Of Future Minimum Lease Payments

	Office
	Facilities
	and
	Equipment
Year ending December 31:
2018	$	2,439
2019		1,881
2020		357
2021		329
2022		228
2023 and thereafter		216
	$	5,450