INVESTMENTS (Tables)

6 Months Ended

Jun. 30, 2026

INVESTMENTS.

Summary of investments in available-for-sale


														Continuous			Continuous
					Gross			Gross						Unrealized			Unrealized
					Unrealized			Unrealized						Loss Position			Loss Position
		Amortized			Holding			Holding			Fair			less than			greater than
June 30, 2026		Cost			Gains			Losses			Value			12 Months			12 Months
Available-for-sale
Short-term:
Commercial paper		$	174,270		$	1		$	—		$	174,271		$	—		$	—
Municipal securities			3,107			—			5			3,102			5			—
U.S. government agency securities			62,316			—			53			62,263			53			—
U.S. treasuries			653,881			—			907			652,974			907			—
Corporate bonds			334,849			—			627			334,222			627			—
Long-term:
Municipal securities			593			—			4			589			4			—
U.S. government agency securities			42,124			—			289			41,835			289			—
U.S. treasuries			468,616			—			2,664			465,952			2,664			—
Corporate bonds			274,305			—			1,367			272,938			1,367			—
Total		$	2,014,061		$	1		$	5,916		$	2,008,146		$	5,916		$	—


														Continuous			Continuous
					Gross			Gross						Unrealized			Unrealized
					Unrealized			Unrealized						Loss Position			Loss Position
		Amortized			Holding			Holding			Fair			less than			greater than
December 31, 2025		Cost			Gains			Losses			Value			12 Months			12 Months
Available-for-sale
Short-term:
Commercial paper		$	90,418		$	1		$	—		$	90,419		$	—		$	—
Certificates of deposit			12,728			—			—			12,728			—			—
Municipal securities			674			1			—			675			—			—
U.S. treasuries			489,007			492			—			489,499			—			—
Corporate bonds			83,639			124			—			83,763			—			—
Long-term:
Municipal securities			1,206			1			—			1,207			—			—
U.S. treasuries			259,613			353			—			259,966			—			—
Corporate bonds			225,867			289			—			226,156			—			—
Total		$	1,163,152		$	1,261		$	—		$	1,164,413		$	—		$	—