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Commitments (Tables)
12 Months Ended
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases
Future minimum lease commitments under non-cancellable operating leases as of December 31, 2021, are as follows:
US$ thousands
2022$4,890 
20234,251 
20245,417 
20252,221 
2026 and thereafter1,722 
$18,501