CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash Flows (used in) provided by Operating Activities:
Net income	$ 38,270	$ 39,315
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	5,965	6,539
Adjustments to credit losses reserve	1,058	410
Stock-based compensation expense	4,669	4,197
Deferred income taxes		1,623
Amortization of discount on short-term investments, net	(1,672)	(5,593)
Gain on sale of short-term investments	(76)
Loss on disposal of fixed assets	20	36
Changes in assets and liabilities:
Accounts receivable	(26,662)	7,598
Inventories	(38,433)	(12,434)
Prepaid expenses and other current assets	(4,142)	(5,823)
Other non-current assets	(1,629)	448
Accounts payable	3,368	53,172
Accrued expenses and other liabilities	(6,865)	6,188
Net cash (used in) provided by operating activities	(26,129)	95,676
Cash Flows provided by (used in) Investing Activities:
Purchases of short-term investments	(52,358)	(203,278)
Proceeds from sale of short-term investments	108,763
Maturities of short-term investments	50,000	103,280
Purchases of property and equipment	(3,331)	(3,427)
Net cash provided by (used in) investing activities	103,074	(103,425)
Cash Flows used in Financing Activities:
Proceeds from short-term borrowings	732	10,560
Repayment of short-term borrowings	(732)	(10,560)
Purchase of common stock for treasury shares	(60,464)	(3,613)
Payments for excise tax on treasury purchases	(36)
Dividend payments	(7,720)	(5,271)
Issuance of stock under Employee Stock Purchase Plan	619	537
Payment of payroll taxes on stock-based compensation through shares withheld	(918)	(645)
Net cash used in financing activities	(68,519)	(8,992)
Increase (decrease) in cash and cash equivalents	8,426	(16,741)
Cash and cash equivalents, beginning of period	178,318	144,954
Cash and cash equivalents, end of period	186,744	128,213
Non-cash Investing and Financing Activities:
Accrued purchases of property and equipment	346	347
Accrued purchase of treasury shares	66	211
Accrued excise tax on treasury purchases	572	18
Supplemental Cash Flow Information:
Income taxes paid	$ 18,171	17,946
Interest paid		$ 2