CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 245,449	$ 28,265
Accounts receivable and unbilled, net (includes $2.4 million and $7.7 million with related parties at December 31, 2023 and 2022, respectively)	298,400	253,404
Prepaid expenses and other current assets (includes $0.3 million with related parties at December 31, 2023)	49,979	52,293
Total current assets	593,828	333,962
Property and equipment, net	120,589	109,849
Operating lease right-of-use assets	144,801	139,068
Goodwill	662,396	662,396
Intangible assets, net	35,809	38,008
Deferred income taxes	74,435	48,083
Other assets	24,970	21,129
Total assets	1,656,828	1,352,495
Current liabilities:
Accounts payable (includes $3.1 million and $0.3 million with related parties at December 31, 2023 and 2022, respectively)	31,869	33,069
Accrued expenses	292,961	210,125
Advanced billings (includes $10.1 million and $8.8 million with related parties at December 31, 2023 and 2022, respectively)	559,860	462,729
Short-term debt	0	50,000
Other current liabilities (includes $12.5 million with related parties at December 31, 2022)	40,441	47,547
Total current liabilities	925,131	803,470
Operating lease liabilities	142,122	138,867
Deferred income tax liability	2,404	1,070
Other long-term liabilities	28,221	22,701
Total liabilities	1,097,878	966,108
Commitments and contingencies (see Note 12)
Shareholders’ equity:
Preferred stock - $0.01 par-value; 5,000,000 shares authorized; no shares issued and outstanding at December 31, 2023 and 2022, respectively	0	0
Common stock - $0.01 par-value; 250,000,000 shares authorized at December 31, 2023 and 2022, respectively; 30,752,292 and 31,091,694 shares issued and outstanding at December 31, 2023 and 2022, respectively	308	309
Treasury stock - 70,573 and 71,573 shares at December 31, 2023 and 2022, respectively	(12,322)	(12,497)
Additional paid-in capital	802,681	770,794
Accumulated deficit	(221,645)	(359,827)
Accumulated other comprehensive loss	(10,072)	(12,392)
Total shareholders’ equity	558,950	386,387
Total liabilities and shareholders’ equity	$ 1,656,828	$ 1,352,495