Facility Lease Exit (Tables)

12 Months Ended

Dec. 31, 2016

Facility Lease Exit [Abstract]

Components of Lease Exit Activity Recorded in Current Liabilities

The following table summarizes the components of the Company’s lease exit activity recorded in current liabilities at December 31, 2015:

	Lease Exit amounts accrued at December 31, 2014		Accretion Expense incurred during the year ended December 31, 2015		Amounts paid during the year ended December 31, 2015			Additional expense incurred during the year ended December 31, 2015		Amounts accrued at December 31, 2015
Lease exit costs	$	4,981		224	$	(5,477	)	$	272	$	—