Annual report pursuant to Section 13 and 15(d)

Other Long-term Liabilities Other Long-term Liabilities (Details)

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Other Long-term Liabilities Other Long-term Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Other Liabilities Disclosure [Abstract]    
Pension plan liabilities $ 6,250 $ 3,551
Other postretirement benefit plan liabilities 428 607
Derivative liability, noncurrent 2,071 0
Finance lease and financing obligation liabilities 7,633 11,667
Reserve for uncertain tax positions 8,215 7,658
Other 1,249 611
Other Liabilities, Noncurrent, Total $ 25,846 $ 24,094