Discontinued Operations - Results of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other expenses (income):
Loss from discontinued operations, net of tax	$ (301)	$ 1,697	$ (503)	$ 966
Discontinued Operations, Disposed of by Sale
Operating expenses:
General and administrative expense (income)	375	(2,733)	644	(1,880)
Total operating expense	375	(2,733)	644	(1,880)
Operating (loss) income	(375)	2,733	(644)	1,880
Other expenses (income):
(Loss) income from discontinued operations before income taxes	(375)	2,733	(644)	1,880
Benefit for income taxes	74	(1,036)	141	(914)
Loss from discontinued operations, net of tax	(301)	1,697	(503)	966
Human Services | Discontinued Operations, Disposed of by Sale
Operating expenses:
General and administrative expense (income)	211	72	334	217
Total operating expense	211	72	334	217
Operating (loss) income	(211)	(72)	(334)	(217)
Other expenses (income):
(Loss) income from discontinued operations before income taxes	(211)	(72)	(334)	(217)
Benefit for income taxes	33	17	64	53
Loss from discontinued operations, net of tax	(178)	(55)	(270)	(164)
WD Services | Discontinued Operations, Disposed of by Sale
Operating expenses:
General and administrative expense (income)	164	(2,805)	310	(2,097)
Total operating expense	164	(2,805)	310	(2,097)
Operating (loss) income	(164)	2,805	(310)	2,097
Other expenses (income):
(Loss) income from discontinued operations before income taxes	(164)	2,805	(310)	2,097
Benefit for income taxes	41	(1,053)	77	(967)
Loss from discontinued operations, net of tax	$ (123)	$ 1,752	$ (233)	$ 1,130