FAIR VALUE MEASUREMENTS - Schedule of Fair Value of Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Assets:
Cash equivalents	$ 377,042	$ 311,708
Liabilities:
Business acquisition liabilities	105,389	101,508
Municipal bonds
Assets:
Debt securities	13,256	9,556
Corporate debt securities
Assets:
Debt securities	103,539	37,427
Commercial paper
Assets:
Debt securities	63,901	15,627
Asset-backed securities
Assets:
Debt securities	103,788	19,178
Government, federal agency, and other sovereign obligations
Assets:
Debt securities	48,271	21,118
Level 1
Assets:
Cash equivalents	377,042	287,574
Liabilities:
Business acquisition liabilities	0	0
Level 1 \| Municipal bonds
Assets:
Debt securities	0	0
Level 1 \| Corporate debt securities
Assets:
Debt securities	0	0
Level 1 \| Commercial paper
Assets:
Debt securities	0	0
Level 1 \| Asset-backed securities
Assets:
Debt securities	0	0
Level 1 \| Government, federal agency, and other sovereign obligations
Assets:
Debt securities	44,143	17,046
Level 2
Assets:
Cash equivalents	0	24,134
Liabilities:
Business acquisition liabilities	0	0
Level 2 \| Municipal bonds
Assets:
Debt securities	13,256	9,556
Level 2 \| Corporate debt securities
Assets:
Debt securities	103,539	37,427
Level 2 \| Commercial paper
Assets:
Debt securities	63,901	15,627
Level 2 \| Asset-backed securities
Assets:
Debt securities	103,788	19,178
Level 2 \| Government, federal agency, and other sovereign obligations
Assets:
Debt securities	4,128	4,072
Level 3
Assets:
Cash equivalents	0	0
Liabilities:
Business acquisition liabilities	105,389	101,508
Level 3 \| Municipal bonds
Assets:
Debt securities	0	0
Level 3 \| Corporate debt securities
Assets:
Debt securities	0	0
Level 3 \| Commercial paper
Assets:
Debt securities	0
Level 3 \| Asset-backed securities
Assets:
Debt securities	0	0
Level 3 \| Government, federal agency, and other sovereign obligations
Assets:
Debt securities	$ 0	$ 0