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STOCKHOLDERS' EQUITY (Details) - USD ($)
 3 Months Ended 9 Months Ended
May 10, 2024
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
May 08, 2024
May 07, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Balance at beginning of period   $ 879,278,000 $ 807,975,000 $ 870,130,000 $ 775,010,000    
Other comprehensive (loss) income   573,000 163,000 431,000 370,000    
Balance at ending of period   749,583,000 831,551,000 749,583,000 831,551,000    
Unrealized gain (loss) on investments, tax expense (benefit)       (100,000) 200,000    
Aggregate purchase           $ 150,000,000 $ 150,000,000
Treasury stock acquired (in shares) 837,240            
Treasury stock acquired value $ 25,100,000     25,121,000      
Accrued excise tax on treasury stock $ 100,000            
Net Unrealized Gain From Available-For-Sale Investments              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Balance at beginning of period       124,000 (523,000)    
Other comprehensive (loss) income       437,000 362,000    
Balance at ending of period   561,000 (161,000) 561,000 (161,000)    
Unrealized Foreign Currency Translation              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Balance at beginning of period       123,000 143,000    
Other comprehensive (loss) income       (6,000) 8,000    
Balance at ending of period   117,000 151,000 117,000 151,000    
Accumulated Other Comprehensive Income (Loss)              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Balance at beginning of period   105,000 (173,000) 247,000 (380,000)    
Other comprehensive (loss) income   573,000 163,000 431,000 370,000    
Balance at ending of period   $ 678,000 $ (10,000) $ 678,000 $ (10,000)