Other Operating Costs (Benefit) (Tables)

12 Months Ended

Dec. 31, 2017

Other Income And Expenses [Abstract]

Components of Other Operating Costs (Benefit)

	2017		2016		2015
Office consolidation, net:
Adjustments to office closure obligations, discounted    and net of expected sublease income	$	141	$	509	$	1,354
Rent expense during office consolidation		-		-		1,247
Accelerated depreciation		101		33		165
Contingent acquisition liability adjustments, net		2,213		1,330		(13,047	)
Loss on disposition of assets		-		-		283
Deferred debt issuance costs write off		145		-		-
Other impairment		-		-		98
Other costs		1,620		-		-
Other operating costs (benefit)	$	4,220	$	1,872	$	(9,900	)

Schedule of Activity for Restructured Real Estate

	Office Space Reductions
Balance at December 31, 2015	$	3,083
Cost to operations during the year ended December 31, 2016		509
Utilized during the year ended December 31, 2016		(532	)
Balance at December 31, 2016	$	3,060
Benefit to operations during the year ended December 31, 2017		(40	)
Utilized during the year ended December 31, 2017		(1,340	)
Balance at December 31, 2017	$	1,680