SEGMENTS (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) Segment	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
SEGMENTS [Abstract]
Number of reportable operating segments | Segment	2
Summary financial information by reporting segment [Abstract]
Revenues	$ 82,554	$ 77,996
Percentage of Total Revenue	100.00%	100.00%
Operating (loss) Income	$ (326)	$ 6,019
Total Assets	287,688		$ 295,299
Transportation and Skilled Trades [Member]
Summary financial information by reporting segment [Abstract]
Revenues	58,784	55,670
Healthcare and Other Professions [Member]
Summary financial information by reporting segment [Abstract]
Revenues	23,770	22,326
Reportable Segments [Member] | Transportation and Skilled Trades [Member]
Summary financial information by reporting segment [Abstract]
Revenues	$ 58,784	$ 55,670
Percentage of Total Revenue	71.20%	71.40%
Operating (loss) Income	$ 7,245	$ 12,324
Total Assets	153,616		156,531
Reportable Segments [Member] | Healthcare and Other Professions [Member]
Summary financial information by reporting segment [Abstract]
Revenues	$ 23,770	$ 22,326
Percentage of Total Revenue	28.80%	28.60%
Operating (loss) Income	$ 1,307	$ 2,949
Total Assets	36,981		33,959
Corporate [Member]
Summary financial information by reporting segment [Abstract]
Revenues	0	0
Operating (loss) Income	(8,878)	$ (9,254)
Total Assets	$ 97,091		$ 104,809