Restructuring Charges (Tables)

6 Months Ended

Jun. 30, 2018

Restructuring Plan 2018

Restructuring Charges.

Summary of activity and liability balances

Activity and liability balances recorded as part of the restructuring plan through June 30, 2018 are as follows (dollars in thousands):

	Amount
Restructuring charges recognized	$	7,165
Cash payments (primarily severance related)		(3,328)
Acceleration of share-based compensation		(2,561)
Balance at June 30, 2018	$	1,276

Restructuring Plan 2016

Restructuring Charges.

Summary of activity and liability balances

Activity and liability balances recorded as part of the restructuring plan through June 30, 2018 are as follows (dollars in thousands):

	Amount
Balance at December 31, 2017	$	6
Asset write-off		(6)
Balance at June 30, 2018	$	—