CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net income (loss)	$ (117,294)	$ 33,565
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization (inclusive of depreciation included in cost of revenue)	79,742	89,255
Non-cash interest expense and other	1,217	1,067
Increase in allowance for credit losses and sales credits	5,746	7,927
Provision for deferred income taxes	(33,762)	(2,601)
Share-based compensation	18,208	14,096
Loss on disposal or impairment of long-lived assets	18,296	19
Net loss (gain) on investments in available-for-sale securities	(29)	177
Goodwill impairment loss	109,515	0
Net loss (gain) on deferred compensation balances	1,063	(1,415)
Non-cash lease expense	41	(590)
Changes in assets and liabilities, net of effects from acquisitions:
Accounts receivable	40,660	102,736
Accounts receivable, subcontractor	11,379	36,407
Income taxes receivable	1,091	(3,659)
Prepaid expenses	3,802	862
Other current assets	(4,837)	(1,754)
Other assets	3,645	(1,620)
Accounts payable and accrued expenses	(6,756)	(59,808)
Accrued compensation and benefits	(19,566)	(20,994)
Other liabilities	52,080	(12,978)
Deferred revenue	6,978	209
Net cash provided by operating activities	171,219	180,901
Cash flows from investing activities:
Purchase and development of fixed assets	(19,775)	(45,411)
Purchase of investments	(34,119)	0
Proceeds from sale and maturity of investments	7,239	4,492
Payments to fund deferred compensation plan	(3,256)	(4,461)
Proceeds from settlements of company-owned life insurance policies	3,274	0
Cash received for working capital settlement of prior year acquisition	0	1,649
Net cash used in investing activities	(46,637)	(43,731)
Cash flows from financing activities:
Payments on revolving credit facility	(185,000)	(140,000)
Proceeds from revolving credit facility	45,000	25,000
Cash paid for shares withheld for taxes	(1,437)	(4,081)
Net cash used in financing activities	(141,437)	(119,081)
Net increase (decrease) in cash, cash equivalents and restricted cash	(16,855)	18,089
Cash, cash equivalents and restricted cash at beginning of period	89,305	108,273
Cash, cash equivalents and restricted cash at end of period	72,450	126,362
Supplemental disclosures of cash flow information:
Cash paid for amounts included in the measurement of operating lease liabilities	4,291	5,265
Cash paid for interest (net of $117 and $363 capitalized for the six months ended June 30, 2025 and 2024, respectively)	23,600	32,725
Cash paid for income taxes	11,224	17,580
Supplemental disclosures of non-cash investing and financing activities:
Purchase of fixed assets recorded in accounts payable and accrued expenses	1,358	8,037
Right-of-use assets obtained in exchange for operating lease liabilities	$ 544	$ 4,474