Restructuring Expenses (Tables)

The activity related to restructuring and other liability for 2003 was as follows:



	Restructuring Expense		Cash Payments			Non-cash Expense			Liability as of December 31, 2003
	(in thousands)
Lease restructuring and other operating lease expense	$	84,726	$	(15,200	)	$	—		$	69,526
Employee severance, benefits and related costs	2,616		(2,616		)	—			—
Leasehold improvements and asset impairments	4,482		—			(4,482		)	—
Total	$	91,824	$	(17,816	)	$	(4,482	)	$	69,526

The activities related to 2003 restructuring liability for 2004 through 2016 were as follows:



	2016			2015			2014			2004-2016
	(in thousands)
Liability, beginning of the period	$	7,944		$	11,596		$	19,115		$	69,526
Cash payments	(15,841		)	(14,625		)	(17,494		)	(226,912		)
Cash received from subleases	11,892			11,089			12,912			111,601
Credit for portion of facility Vertex decided to occupy in 2005	—			—			—			(10,018		)
Restructuring expense	333			(116		)	(2,937		)	60,131
Liability, end of the period	$	4,328		$	7,944		$	11,596		$	4,328

The activities related to the Fan Pier relocation restructuring liability for the three years ended December 31, 2016 were as follows:



	2016			2015			2014
	(in thousands)
Liability, beginning of the period	$	5,964		$	33,390		$	797
Cash payments	(12,674		)	(30,022		)	(18,271		)
Cash received from subleases	9,751			4,229			—
Restructuring expense	585			(1,633		)	50,864
Liability, end of the period	$	3,626		$	5,964		$	33,390

The activities related to the Company’s other restructuring liabilities for the three years ended December 31, 2016 were as follows:



	2016			2015			2014
	(in thousands)
Liability, beginning of the period	$	1,450		$	869		$	8,441
Cash payments	(1,794		)	(3,374		)	(10,570		)
Restructuring expense	344			3,955			2,998
Liability, end of the period	$	—		$	1,450		$	869