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NON-U.S. EMPLOYEE DEFINED BENEFIT PLANS (Tables)
12 Months Ended
Dec. 31, 2022
Retirement Benefits [Abstract]  
Schedule of changes in projected benefit obligations, fair value of plan assets, and funded status of plan
A reconciliation of the changes in the benefit obligations and fair value of the assets of the defined benefit plans for the years ended December 31, 2022 and 2021, the funded status of the plans, and the amounts recognized in the consolidated balance sheets as of December 31, 2022 and 2021 were as follows (in thousands):
Year ended December 31,
20222021
Changes in projected benefit obligations:
  Projected benefit obligation, beginning of year$26,938 $25,067 
  Service cost1,355 1,321 
  Interest cost563 523 
  Participant contributions— — 
  Plan amendments— (3,801)
  Net actuarial (gain) loss on obligation(5,604)4,868 
  Settlement(1,063)— 
  Benefits and expenses paid(932)(1,040)
    Projected benefit obligation, end of year$21,257 $26,938 
Changes in plan assets:
  Fair value of plan assets, beginning of year$15,303 $14,350 
  Actual return on plan assets(672)981 
  Employer contributions1,954 989 
  Participant contributions39 23 
  Benefits paid(1,995)(1,040)
    Fair value of plan assets, end of year$14,629 $15,303 
Funded status at end of year$(6,628)$(11,635)
Amounts recognized in accumulated other comprehensive income consist of:
  Prior service (credit) cost$(3,481)$(3,801)
  Net actuarial (gain) loss(1,704)4,045 
$(5,185)$244 
Amounts recognized in the consolidated balance sheets consist of:
  Other assets (non-current pension asset) $552 $— 
  Accrued expenses and other (current pension liability) (803)(461)
  Other long-term liabilities (non-current pension liability)(6,377)(11,174)
    Net amount recognized$(6,628)$(11,635)
Schedule of accumulated benefit obligations
Plans with underfunded or non-funded accumulated benefit obligations at December 31, 2022 and 2021 were as follows (in thousands):
December 31,
20222021
Aggregate projected benefit obligation$9,450 $26,938 
Aggregate accumulated benefit obligation$7,418 $20,695 
Aggregate fair value of plan assets$2,270 $15,303 

Plans with overfunded accumulated benefit obligations at December 31, 2022 and 2021 were as follows (in thousands):
December 31,
20222021
Aggregate projected benefit obligation$11,807 $— 
Aggregate accumulated benefit obligation$9,547 $— 
Aggregate fair value of plan assets$12,359 $— 
Schedule of net benefit costs
Net periodic benefit costs for the years ended December 31, 2022, 2021 and 2020 were as follows (in thousands):
Year ended December 31,
202220212020
Service cost$1,355 $1,321 $1,459 
Interest cost563 523 46 
Expected return on plan assets(266)(314)(343)
Plan asset expenses— — — 
Settlement charge (credit)808 — (1,557)
Amortization of prior service cost(320)— — 
Amortization of net loss275 81 20 
    Net periodic benefit costs$2,415 $1,611 $(375)
Schedule of expected benefit payments Expected benefit payments for the next ten years are as follows (in thousands):
Years ending December 31,
2023$2,863 
20241,314 
20251,562 
20261,315 
20271,584 
2028 to 203211,326 
$19,964 
Schedule of defined benefit plan amounts recognized in other comprehensive income (loss)
The changes in plan assets and benefit obligations recognized in other comprehensive income (loss) before tax for the years ended December 31, 2022, 2021 and 2020 were as follows (in thousands):
Year ended December 31,
202220212020
Net (gain) loss$(4,666)$4,201 $(503)
Prior service (credit) cost— (3,801)— 
Amortization of net gain (loss)(275)(81)(20)
Amortization of prior service credit (cost)320 — — 
Settlement (charge) credit(808)— (1,557)
Total recognized in other comprehensive income (loss)$(5,429)$319 $(2,080)
Schedule of assumptions used
The principal weighted average assumptions used to determine the benefit obligation at December 31, 2022 and 2021 were as follows:
December 31,
20222021
Discount rate4.74 %2.24 %
Rate of compensation increase4.02 %3.90 %

The principal weighted average assumptions used to determine net period benefit cost for the years ended December 31, 2022, 2021 and 2020 were as follows:
Year ended December 31,
202220212020
Discount rate2.24 %2.16 %0.68 %
Expected long-term return on plan assets1.79 %2.06 %0.21 %
Rate of compensation increase3.90 %2.41 %2.88 %