EMPLOYEE BENEFIT PLANS - Summary of Financial Data Relative to the Pension Plans and the Postretirement Benefit Plan (Detail) - USD ($) $ in Thousands	4 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Net periodic benefit income:
Net periodic benefit (income) loss	$ (1,160)	$ (2,045)
Pre-tax amounts recognized in OCI:
Accumulated other comprehensive income/(loss), end of year	432	(5,860)	$ 432
Total net periodic pension income recognized in total comprehensive income, pre-tax	$ (728)	$ (7,905)
Weighted average assumptions used to determine net periodic pension cost:
Discount Rate	2.36%	2.77%
Expected return on plan assets		4.43%
Pension Plan [Member]
Net periodic benefit income:
Interest cost	$ 900	$ 2,473	$ 900
Expected return on plan assets	(2,062)	(4,523)
Net periodic benefit (income) loss	(1,162)	(2,050)
Pre-tax amounts recognized in OCI:
Net acrual (gain) loss	404	(5,861)
Accumulated other comprehensive income/(loss), end of year	$ 404	$ (5,861)
Weighted average assumptions used to determine net periodic pension cost:
Discount Rate	2.36%	2.77%
Expected return on plan assets	5.99%	4.43%
Postretirement Benefit Plan [Member]
Net periodic benefit income:
Net periodic benefit (income) loss	$ 2	$ 5
Pre-tax amounts recognized in OCI:
Accumulated other comprehensive income/(loss), end of year	$ 28	$ (1)
Weighted average assumptions used to determine net periodic pension cost:
Discount Rate	2.44%	2.82%