Other Assets (Tables)
 12 Months Ended
Dec. 31, 2016
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]  
Summary of Other Assets

 

December 31,

 

 

2015

 

 

2016

 

 

(In thousands)

 

Restricted cash

$

1,273

 

 

$

1,289

 

Pension asset

 

1,303

 

 

 

1,037

 

Other

 

755

 

 

 

950

 

 

 

 

 

 

 

 

 

Total

$

3,331

 

 

$

3,276