Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenue:
Revenue before reimbursements (net revenue)	$ 130,189	$ 115,153
Reimbursements	4,098	3,326
Total revenue	134,287	118,479
Operating expenses:
Salaries and employee benefits	91,118	78,473
General and administrative expenses	35,203	30,008
Reimbursed expenses	4,098	3,326
Total operating expenses	130,419	111,807
Operating income	3,868	6,672
Non-operating expense:
Interest, net	72	(71)
Other, net	49	(75)
Net non-operating expense	121	(146)
Income before income taxes	3,989	6,526
Provision for income taxes	2,664	3,100
Net income	1,325	3,426
Other comprehensive loss, net of tax:
Foreign currency translation adjustment	1,105	(843)
Net unrealized (loss) gain on available-for-sale investments	225	237
Unrealized (loss) gain on cash flow hedge	0	(76)
Other comprehensive loss, net of tax	1,330	(682)
Comprehensive income	$ 2,655	$ 2,744
Basic weighted average common shares outstanding (in shares)	18,448	18,249
Dilutive common shares (in shares)	531	315
Diluted weighted average common shares outstanding (in shares)	18,979	18,564
Basic net income per common share (in USD per share)	$ 0.07	$ 0.19
Diluted net income per common share (in USD per share)	0.07	0.18
Cash dividends paid per share (in USD per share)	$ 0.13	$ 0.13