Restructuring Charges (Tables)

12 Months Ended

Dec. 31, 2015

Restructuring Plan 2011

Restructuring Charges.

Summary of changes in the liability related to the restructuring plan included in accounts payable and accrued expenses

        Activity and liability balances recorded as part of the 2011 restructuring plan through December 31, 2015 are as follows (dollars in thousands):

	Consolidation of leased facilities
Balance at December 31, 2014	$	833
Utilized—cash		(561	)
Balance at December 31, 2015	$	272

Restructuring Plan 2010

Restructuring Charges.

Summary of changes in the liability related to the restructuring plan included in accounts payable and accrued expenses

        Activity and liability balances recorded as part of the 2010 restructuring plan through December 31, 2015 are as follows (dollars in thousands):

	Consolidation of leased facilities
Balance at December 31, 2014	$	1,391
Utilized—cash		(409	)
Balance at December 31, 2015	$	982