EMPLOYEE BENEFIT PLANS - Summary of Fair Value of Plan Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 55,982	$ 63,650	$ 56,568
UK Pension Plan | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	55,981	63,650
UK Pension Plan | Quoted Prices in Active Markets  for Identical Assets (Level 1) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	6,382	2,992
UK Pension Plan | Significant Observable Inputs (Level 2) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	49,599	54,529
UK Pension Plan | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	6,129	$ 10,437
UK Pension Plan | Significant Unobservable Inputs (Level 3) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	6,129
Cash | UK Pension Plan | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	6,382	2,992
Cash | UK Pension Plan | Quoted Prices in Active Markets  for Identical Assets (Level 1) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	6,382	2,992
Cash | UK Pension Plan | Significant Observable Inputs (Level 2) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Cash | UK Pension Plan | Significant Unobservable Inputs (Level 3) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Diversified growth fund | UK Pension Plan | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,436	9,426
Diversified growth fund | UK Pension Plan | Quoted Prices in Active Markets  for Identical Assets (Level 1) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Diversified growth fund | UK Pension Plan | Significant Observable Inputs (Level 2) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,436	3,297
Diversified growth fund | UK Pension Plan | Significant Unobservable Inputs (Level 3) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	6,129
U.K. government fixed income securities | UK Pension Plan | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,374	9,369
U.K. government fixed income securities | UK Pension Plan | Quoted Prices in Active Markets  for Identical Assets (Level 1) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.K. government fixed income securities | UK Pension Plan | Significant Observable Inputs (Level 2) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,374	9,369
U.K. government fixed income securities | UK Pension Plan | Significant Unobservable Inputs (Level 3) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.K. government index-linked securities | UK Pension Plan | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,251	9,255
U.K. government index-linked securities | UK Pension Plan | Quoted Prices in Active Markets  for Identical Assets (Level 1) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.K. government index-linked securities | UK Pension Plan | Significant Observable Inputs (Level 2) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,251	9,255
U.K. government index-linked securities | UK Pension Plan | Significant Unobservable Inputs (Level 3) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Corporate bonds | UK Pension Plan | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	33,538	32,608
Corporate bonds | UK Pension Plan | Quoted Prices in Active Markets  for Identical Assets (Level 1) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Corporate bonds | UK Pension Plan | Significant Observable Inputs (Level 2) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	33,538	32,608
Corporate bonds | UK Pension Plan | Significant Unobservable Inputs (Level 3) | Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0	$ 0