Leases (Tables)

12 Months Ended

Dec. 31, 2022

Leases [Abstract]

Summary of Supplemental Cash Flow Information Related to Leases

Supplemental cash flow information related to leases were as follows:

	2021		2022
	(US$ thousand)
Cash paid for fixed operating lease costs included in the measurement of lease obligations in operating activities		3,995		4,212
Right-of-use assets obtained in exchange for operating lease obligations		4,300		198

Schedule of Lease, Cost

	As of December 31,
	2021			2022
	(US$ thousand)
Weighted-average remaining lease term
Operating leases	2.0 years			0.9 years
Weighted-average discount rate
Operating leases		5.1	%		5.1	%

Schedule of Lessee, Operating Lease, Liability, Maturity

Maturities of lease liabilities were as follows:

	As of December 31, 2022
	(US$ thousand)
2023	$	2,153
2024		166
Total undiscounted lease payments		2,319
Less: imputed interest		(47	)
Total present value of lease liabilities	$	2,272