CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
CURRENT ASSETS:
Cash and cash equivalents	$ 94,189	$ 105,372
Short-term marketable securities	264,439	248,441
Accounts receivable, net	20,585	20,836
Inventories	142,444	135,420
Prepaid expenses and other current assets	17,538	15,004
Total current assets	539,195	525,073
PROPERTY AND EQUIPMENT, net	173,506	176,681
INTANGIBLE ASSETS, net	6,054	6,597
GOODWILL	91,849	91,849
DEFERRED TAX ASSETS	19,771	19,034
OTHER ASSETS	21,030	20,862
Total assets	851,405	840,096
CURRENT LIABILITIES:
Accounts payable	34,694	30,088
Accrued payroll and related expenses	13,442	14,778
Taxes payable	667	938
Other accrued liabilities	14,259	12,572
Total current liabilities	63,062	58,376
LONG-TERM INCOME TAXES PAYABLE	15,741	15,757
OTHER LIABILITIES	10,300	10,747
Total liabilities	89,103	84,880
COMMITMENTS AND CONTINGENCIES (Notes 11, 12 and 13)
STOCKHOLDERS' EQUITY:
Common stock	23	24
Additional paid-in capital	8,780	0
Accumulated other comprehensive loss	(5,044)	(7,344)
Retained earnings	758,543	762,536
Total stockholders' equity	762,302	755,216
Total liabilities and stockholders' equity	$ 851,405	$ 840,096