Segments and Enterprise-Wide Disclosures - Schedule of Operating Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenue	$ 392,285	$ 366,091	$ 394,170
Direct costs	305,835	289,133	319,135
Gross profit	86,450	76,958	75,035
Operating expenses	40,132	36,726	39,342
Contribution profit	46,318	40,232	35,693
General and administrative expenses	33,576	31,102	28,781
Operating income	12,742	9,130	6,912
North America I T Solutions And Services Segment
Segment Reporting Information [Line Items]
Revenue	101,506	67,948	74,123
Direct costs	68,885	43,953	50,457
Gross profit	32,621	23,995	23,666
Operating expenses	13,883	9,368	8,998
Contribution profit	18,738	14,627	14,668
Europe I T Solutions And Services Segment
Segment Reporting Information [Line Items]
Revenue	169,341	154,847	148,108
Direct costs	129,030	117,029	114,839
Gross profit	40,311	37,818	33,269
Operating expenses	21,345	20,366	19,825
Contribution profit	18,966	17,452	13,444
Non Strategic Technology Services
Segment Reporting Information [Line Items]
Revenue	121,438	143,296	171,939
Direct costs	107,920	128,151	153,839
Gross profit	13,518	15,145	18,100
Operating expenses	4,904	6,992	10,519
Contribution profit	$ 8,614	$ 8,153	$ 7,581