Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Schedule of property and equipment

Property and equipment consisted of the following:

		As of December 31,
	Useful Life	2020		2021
		(in thousands)
Land	—	$	9,019	$	8,952
Building and building improvements	15 - 39 years	53,309		51,936
Leasehold improvements	up to 15 years	1,569		30,342
Office equipment	5 years	587		1,139
Computer equipment	3 - 5 years	20,227		22,509
Furniture and fixtures	5 - 7 years	8,447		15,433
Other capital assets	5 years	150		168
Software development	3 - 5 years	89,320		79,088
Program development	3 years	13,370		11,062
		195,998		220,629
Accumulated depreciation and amortization		127,564		118,212
		$	68,434	$	102,417