Note 12 - Segment Information and Information About Geographic Area - Revenue and Property and Equipment, Net by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Revenues	$ 119,893	$ 99,702	$ 233,313	$ 196,458
Property and equipment, net and Operating leases - right of use asset	91,281		91,281		$ 98,870
UNITED STATES
Revenues	71,608	60,991	139,084	121,123
Property and equipment, net and Operating leases - right of use asset	62,655		62,655		66,440
INDIA
Property and equipment, net and Operating leases - right of use asset	19,270		19,270		20,401
Non-US [Member]
Revenues	48,285	$ 38,711	94,229	$ 75,335
Other Geographic Areas [Member]
Property and equipment, net and Operating leases - right of use asset	$ 9,356		$ 9,356		$ 12,029