Restructuring Charges (Tables)

3 Months Ended

Mar. 31, 2018

Restructuring Plan 2018

Restructuring Charges.

Summary of activity and liability balances

Activity and liability balances recorded as part of the restructuring plan through March 31, 2018 are as follows (dollars in thousands):

	Amount
Restructuring charges recognized	$	7,165
Acceleration of share-based compensation		(2,561)
Balance at March 31, 2018	$	4,604

Restructuring Plan 2016

Restructuring Charges.

Summary of activity and liability balances

Activity and liability balances recorded as part of the restructuring plan through March 31, 2018 are as follows (dollars in thousands):

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