Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Current assets:
Cash and cash equivalents	$ 98,719		$ 59,829
Restricted cash and cash equivalents	7,269		6,918
Marketable securities	139,612
Accounts receivable, net	88,498		76,057
Contract assets	19,561		25,157
Income taxes receivable	5,248		6,507
Prepaid expenses and other current assets	42,916		37,102
Total current assets	401,823		211,570
Equipment and improvements, net	6,421		9,120
Capitalized software costs, net	54,516		43,958
Operating lease assets	3,335		11,316
Deferred income taxes, net	29,472		19,259
Contract assets, net of current	5,572		1,910
Intangibles, net	28,968		24,303
Goodwill	321,756		267,212
Other assets	44,238		39,026
Total assets	896,101		627,674
Current liabilities:
Accounts payable	12,022		9,125
Contract liabilities	61,601		61,280
Accrued compensation and related benefits	36,241		48,736
Income taxes payable	622		99
Operating lease liabilities	3,826		8,089
Other current liabilities	83,799		53,533
Total current liabilities	198,111		180,862
Contract liabilities, net of current	10,310
Deferred compensation	8,033		7,230
Convertible senior notes, net, noncurrent	266,843
Operating lease liabilities, net of current	4,095		11,934
Other noncurrent liabilities	8,274		4,570
Total liabilities	495,666		204,596
Commitments and contingencies (Note 17)
Shareholders' equity:
Common stock, $0.01 par value; authorized 100,000 shares; 70,875 shares and 69,245 shares issued at March 31, 2023 and March 31, 2022, respectively; 66,026 shares and 67,075 shares outstanding at March 31, 2023 and March 31, 2022, respectively	709		692
Treasury stock, at cost, 4,849 shares and 2,170 shares at March 31, 2023 and March 31, 2022, respectively	(85,752)		(35,874)
Additional paid-in capital	359,342		329,917
Accumulated other comprehensive loss	(1,462)		(1,909)
Retained earnings	127,598		130,252
Total shareholders' equity	400,435		423,078
Total liabilities and shareholders' equity	$ 896,101		$ 627,674