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Other assets, net (Tables)
9 Months Ended
Sep. 30, 2023
Other assets, net  
Schedule of Other Assets, Net

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December 31, 

​

September 30, 

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2022

    

2023

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(In thousands)

Pension asset

​

$

1,105

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$

—

Other

​

 

1,418

​

 

1,812

Total

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$

2,523

​

$

1,812