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STOCKHOLDERS' EQUITY - Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance $ 122,753 $ (15,832) $ (37,862)
Other comprehensive loss before reclassifications (11,184) (5,286) (1,837)
Amounts reclassified from accumulated other comprehensive income 3,679 553 363
Income tax benefit related to items in other comprehensive loss 2,029 0 0
Other comprehensive loss, net of tax (5,476) (4,733) (1,474)
Ending balance 362,142 122,753 (15,832)
Cumulative effect of new accounting principle      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (189) 100,446 0
Ending balance   (189) 100,446
Accumulated Other Comprehensive Income (Loss)      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (6,041) (1,308) 184
Other comprehensive loss, net of tax (5,476) (4,733) (1,474)
Ending balance (11,517) (6,041) (1,308)
Accumulated Other Comprehensive Income (Loss) | Cumulative effect of new accounting principle      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance 0   (18)
Ending balance   0  
Marketable Securities      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance 0 0 18
Other comprehensive loss before reclassifications 0 0 0
Amounts reclassified from accumulated other comprehensive income 0 0 0
Income tax benefit related to items in other comprehensive loss 0    
Other comprehensive loss, net of tax 0 0 0
Ending balance 0 0 0
Marketable Securities | Cumulative effect of new accounting principle      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance 0   (18)
Ending balance   0  
Interest Rate Swaps      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (6,041) (1,308) 166
Other comprehensive loss before reclassifications (11,184) (5,286) (1,837)
Amounts reclassified from accumulated other comprehensive income 3,679 553 363
Income tax benefit related to items in other comprehensive loss 2,029    
Other comprehensive loss, net of tax (5,476) (4,733) (1,474)
Ending balance (11,517) (6,041) (1,308)
Interest Rate Swaps | Cumulative effect of new accounting principle      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance $ 0   $ 0
Ending balance   $ 0