Impairment, Restructuring and Other Charges (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Restructuring and Related Costs

The following table summarizes the components of charges included in "Impairment, restructuring and other charges" in our consolidated statement of operations for the year ended December 31, 2018 (in thousands):

	Year Ended December 31, 2018
Inventory impairment	$	32,070
Long-lived asset impairment	14,902
Severance	7,324
Professional service fees	5,300
Exit costs	447
Total restructuring and other charges	$	60,043

Schedule of Restructuring Reserve by Type of Cost

The following table summarizes the changes to our accrued liability balance related to restructuring and other charges for the year ended December 31, 2018 (in thousands):

	December 31, 2018
Balance at January 1, 2018	$	—
Additions for costs expensed	12,624
Reductions for payments	(5,626		)
Ending balance at December 31, 2018	$	6,998