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Business Segments - Business Segment Information Based on Net Revenues and Operating Income (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues, net:
Revenues, net	$ 62,450	$ 59,925	$ 191,417	$ 171,791
Operating income from continuing operations:
Operating income from continuing operations	3,748	4,661	11,384	12,654
Workforce Solutions [Member]
Revenues, net:
Revenues, net	51,023	49,128	157,739	141,043
Provider Solutions [Member]
Revenues, net:
Revenues, net	11,427	10,797	33,678	30,748
Operating Segments [Member] | Workforce Solutions [Member]
Revenues, net:
Revenues, net	51,023	49,128	157,739	141,043
Operating income from continuing operations:
Operating income from continuing operations	10,274	10,013	30,694	29,074
Operating Segments [Member] | Provider Solutions [Member]
Revenues, net:
Revenues, net	11,427	10,797	33,678	30,748
Operating income from continuing operations:
Operating income from continuing operations	1,385	1,684	4,206	2,973
Unallocated [Member]
Operating income from continuing operations:
Operating income from continuing operations	$ (7,911)	$ (7,036)	$ (23,516)	$ (19,393)

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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