Accrued and Other Current Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Payables And Accruals [Abstract]

Schedule of Accrued and Other Current Liabilities

	December 31,		June 30,
	2019		2020
	(In thousands)
Employee benefits	$	8,917	$	6,193
Other		1,684		1,351
Total	$	10,601	$	7,544