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Short-Term Borrowings

12 Months Ended

Dec. 31, 2018

Note 17.

Short-Term Borrowings

	January 1, 2017		December 31, 2017		December 31, 2018
	(in thousands)
Unsecured borrowings	$	-		-		20,000
Secured borrowings	$	138,000		147,000		164,000
Unused credit lines	$	285,511		238,695		247,295
Interest rate		0.32%~0.55%		0.35%~0.58%		0.35%~2.96%

As of January 1, 2017, December 31, 2017 and 2018, cash and time deposits totaling $138,000 thousand, $147,000 thousand and $164,000 thousand are pledged as collateral, respectively.

As of December 31, 2018, unused credit lines will expire between January 2019 and November 2019. Among the unused credit lines, $30,163 thousand will expire before the end of March 2019, and $136,000 thousand belonging to the parent company needs to be secured with equal amount of cash and time deposits when borrowing money from banks.

The reconciliation of liabilities to cash flows arising from financing activities was as follows:

	January 1, 2017		Cash flows		December 31, 2017		Cash flows		December 31, 2018
	(in thousands)
Short-term borrowings	$	138,000		9,000		147,000		37,000		184,000