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Pledged assets (Tables)
12 Months Ended
Dec. 31, 2021
Pledged assets  
Schedule of pledged assets

December 31, 

December 31, 

Pledged assets

    

Pledged to secure

    

2020

    

2021

(in thousands)

Restricted cash and time deposit (1)

Short-term secured borrowings

$

104,000

 

151,400

Restricted time deposits (1)

For foundry capacities

-

2,700

Restricted time deposits (1)

For customs duties

 

141

 

36

Land (2)

Long-term unsecured borrowings

 

27,500

 

27,500

Building and improvements (2)

Long-term unsecured borrowings

43,616

40,310

$

175,257

221,946

Note (1): The pledged assets are booked as restricted deposits and classified as current or noncurrent by its liquidity.

Note (2): Guarantee and collateral for long-term unsecured borrowings.