CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended					6 Months Ended		12 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
OPERATING ACTIVITIES:
Net loss	$ (15,710)	$ (14,133)		$ 41,795	$ (35,631)	$ (29,843)	$ 6,164
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Stock-based compensation expense						8,969	13,458
Depreciation	5,600			7,700		11,165	15,939
Change in operating lease right-of-use assets						(25)	3,886
Amortization of purchased intangible assets and finance leases						411	7,899
Amortization of debt issuance costs and accretion of debt discount						3,727	1,343
Impairment of goodwill	0			0		0	3,627
Impairment of intangibles and other assets	0			8,347		0	10,568
Gain on debt extinguishment	0			(73,083)		0	(73,083)
Gain on change in fair value of warrants	0			0		(5,825)	0	$ 12,232
Interest expense						7,653	1,681
Allowance for credit losses						(185)	8,928	14,959
Gain on disposition of business	0			(558)		0	(558)
Deferred income taxes						165	199
Changes in operating assets and liabilities:
Accounts receivable						5,720	16,247
Prepaid expenses and other assets						(25,345)	8,720
Contract acquisition costs						4,175	7
Accounts payable, accrued expenses and other current liabilities						6,399	(36,946)
Deferred revenue						(2,136)	(2,269)
Other liabilities						203	(3,758)
Net cash used in operating activities						(14,772)	(16,832)
INVESTING ACTIVITIES:
Purchases of property and equipment, including internal-use software						(6,895)	(16,457)
Purchases of intangible assets						(1,052)	(1,259)
Net cash used in investing activities						(7,947)	(17,716)
FINANCING ACTIVITIES:
Proceeds from issuance of common stock in connection with the exercise of options and ESPP						471	180
Principal payments for finance leases						(27)	(353)
Proceeds from issuance of senior notes						0	50,000
Payment of debt issuance costs						0	(4,231)
Net cash provided by (used in) financing activities						444	(31,797)
Effect of foreign exchange rate changes on cash and cash equivalents						1,001	(623)
Net decrease in cash and cash equivalents						(21,274)	(66,968)
Cash and cash equivalents - beginning of year		$ 183,237	$ 145,957		$ 212,925	183,237	212,925	212,925
Cash and cash equivalents - end of period	$ 161,963			$ 145,957		161,963	145,957	$ 183,237
Supplemental Cash Flow Information [Abstract]
Cash paid for income taxes, net						197	1,203
Cash paid for interest						4,531	292
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Purchase of property and equipment and intangible assets recorded in accounts payable						539	154
2024 Notes
FINANCING ACTIVITIES:
Repayments of Convertible Debt						0	(72,492)
2026 Notes
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Gain on debt extinguishment			$ (5,000)
FINANCING ACTIVITIES:
Repayments of Convertible Debt						$ 0	$ (4,901)