Accrued Expenses

12 Months Ended

Dec. 31, 2017

Payables and Accruals [Abstract]

Accrued Expenses

7. Accrued Expenses

Accrued expenses as of December 31, 2017 and 2016 are comprised of the following (in thousands):

	December 31,
	2017		2016
Payroll, benefits and related taxes, excluding severance benefits	$	16,724	$	24,982
Withholding tax attributable to intercompany interest income		18,138		15,573
Interest on senior notes		8,268		6,831
Outside service fees		1,942		4,423
Others		6,674		8,556
Accrued expenses	$	51,746	$	60,365

On December 10, 2015, it was determined that the Company was obligated to make an aggregate settlement payment of $23,500 thousand, which includes all attorneys’ fees, costs of administration and plaintiffs’ out-of-pocket expenses, lead plaintiff compensatory awards and disbursements. In connection with the securities class action complaints, the Company also settled with its insurers and obtained proceeds of $29,571 thousand in the first quarter of 2016, and disbursed the $23,500 thousand from the escrow account, recorded as restricted cash, in the third quarter of 2016. For more information on the accrued claim settlement, see Note 19, “Commitments and Contingencies”.

Payroll, benefits and related taxes payable as of December 31, 2016 in the table above included unpaid other termination benefits under the voluntary resignation program of $1,392 thousand, the remaining balance of the $4,241 thousand total aggregate expense for such benefits accrued during the second quarter of 2016 and being paid out in equal monthly installments over the twelve month period which began in May 2016.