CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Revenue from services	$ 195,171	$ 210,288
Operating expenses:
Direct operating expenses	146,917	156,535
Selling, general and administrative expenses	46,036	45,634
Bad debt expense	270	199
Depreciation and amortization	2,984	2,909
Acquisition-related contingent consideration	247	213
Acquisition and integration costs	265	115
Restructuring costs	1,140	435
Total operating expenses	197,859	206,040
(Loss) income from operations	(2,688)	4,248
Other expenses (income):
Interest expense	1,422	1,266
Loss on early extinguishment of debt	360	0
Other income, net	(82)	(101)
(Loss) income before income taxes	(4,388)	3,083
Income tax (benefit) expense	(3,012)	1,163
Consolidated net (loss) income	(1,376)	1,920
Less: Net income attributable to noncontrolling interest in subsidiary	391	278
Net (loss) income attributable to common shareholders	$ (1,767)	$ 1,642
Net (loss) income per share attributable to common shareholders - Basic (in dollars per share)	$ (0.05)	$ 0.05
Net (loss) income per share attributable to common shareholders - Diluted (in dollars per share)	$ (0.05)	$ 0.05
Weighted average common shares outstanding:
Basic (shares)	35,700	35,803
Diluted (shares)	35,700	36,087