Accounts Payable and Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2018

Accounts Payable and Accrued Expenses

Summary of accounts payable and accrued expenses

The following is a summary of accounts payable and accrued expenses at December 31 (dollars in thousands):

	December 31,		December 31,
	2018		2017
Accrued research payables	$	74,175	$	51,275
Accrued compensation and benefits		38,802		37,911
Accrued costs for potential class action lawsuit settlement		18,000		—
Accrued rent		13,003		14,821
Trade payables		17,436		20,820
Deferred revenue		9,558		8,057
Deferred compensation		1,448		2,525
Accrued restructuring		1,942		6
Accrued transaction processing		5,055		3,257
Other		32,219		27,823
Total	$	211,638	$	166,495