INVESTMENTS AND FAIR VALUE MEASUREMENTS - FINANCIAL INSTRUMENTS MEASURED AT FAIR VALUE ON RECURRING BASIS (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Assets, Fair Value Disclosure [Abstract]
Corporate bonds	$ 17,147
Total assets at fair value	96,623	$ 93,717
Liabilities, Fair Value Disclosure [Abstract]
Derivative instruments	9,364	6,267
Total liabilities at fair value	9,364	6,267
Mutual Fund
Assets, Fair Value Disclosure [Abstract]
Equity securities and mutual funds	37,307	49,662
Equity Securities
Assets, Fair Value Disclosure [Abstract]
Equity securities and mutual funds	42,169	36,769
Corporate Bond Securities
Assets, Fair Value Disclosure [Abstract]
Corporate bonds	17,147	7,286
Fair value, measurements, recurring
Assets, Fair Value Disclosure [Abstract]
Total assets at fair value	96,623	93,717
Liabilities, Fair Value Disclosure [Abstract]
Derivative instruments	9,364	6,267
Total liabilities at fair value	9,364	6,267
Fair value, measurements, recurring | Mutual Fund
Assets, Fair Value Disclosure [Abstract]
Equity securities and mutual funds	37,307	49,662
Fair value, measurements, recurring | Equity Securities
Assets, Fair Value Disclosure [Abstract]
Equity securities and mutual funds	42,169	36,769
Fair value, measurements, recurring | Corporate Bond Securities
Assets, Fair Value Disclosure [Abstract]
Corporate bonds	17,147	7,286
Fair value, measurements, recurring | Fair Value, Inputs, Level 1
Assets, Fair Value Disclosure [Abstract]
Total assets at fair value	79,476	86,431
Liabilities, Fair Value Disclosure [Abstract]
Derivative instruments	0	0
Total liabilities at fair value	0	0
Fair value, measurements, recurring | Fair Value, Inputs, Level 1 | Mutual Fund
Assets, Fair Value Disclosure [Abstract]
Equity securities and mutual funds	37,307	49,662
Fair value, measurements, recurring | Fair Value, Inputs, Level 1 | Equity Securities
Assets, Fair Value Disclosure [Abstract]
Equity securities and mutual funds	42,169	36,769
Fair value, measurements, recurring | Fair Value, Inputs, Level 1 | Corporate Bond Securities
Assets, Fair Value Disclosure [Abstract]
Corporate bonds	0	0
Fair value, measurements, recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
Total assets at fair value	17,147	7,286
Liabilities, Fair Value Disclosure [Abstract]
Derivative instruments	9,364	6,267
Total liabilities at fair value	9,364	6,267
Fair value, measurements, recurring | Fair Value, Inputs, Level 2 | Mutual Fund
Assets, Fair Value Disclosure [Abstract]
Equity securities and mutual funds	0	0
Fair value, measurements, recurring | Fair Value, Inputs, Level 2 | Equity Securities
Assets, Fair Value Disclosure [Abstract]
Equity securities and mutual funds	0	0
Fair value, measurements, recurring | Fair Value, Inputs, Level 2 | Corporate Bond Securities
Assets, Fair Value Disclosure [Abstract]
Corporate bonds	17,147	7,286
Fair value, measurements, recurring | Fair Value, Inputs, Level 3
Assets, Fair Value Disclosure [Abstract]
Total assets at fair value	0	0
Liabilities, Fair Value Disclosure [Abstract]
Derivative instruments	0	0
Total liabilities at fair value	0	0
Fair value, measurements, recurring | Fair Value, Inputs, Level 3 | Mutual Fund
Assets, Fair Value Disclosure [Abstract]
Equity securities and mutual funds	0	0
Fair value, measurements, recurring | Fair Value, Inputs, Level 3 | Equity Securities
Assets, Fair Value Disclosure [Abstract]
Equity securities and mutual funds	0	0
Fair value, measurements, recurring | Fair Value, Inputs, Level 3 | Corporate Bond Securities
Assets, Fair Value Disclosure [Abstract]
Corporate bonds	$ 0	$ 0