Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2013

Commitments And Contingencies Disclosure [Abstract]

Summary of Liability Related to Lease

The following table provides information about the Company’s liability under the lease (in thousands):

	2013			2012
Balance as of January 1,	$	1,103		$	452
Net rental receipts (payments)		(558	)		(115	)
Accretion of discount		98			39
Increase in net estimated contract termination costs		1,144			727
Balance as of December 31,	$	1,787		$	1,103

Summary of Reconciliation of Company's Warranty Reserve

The following is a reconciliation of the Company’s warranty reserve (in thousands):

	2013			2012
Beginning balance, January 1	$	28,987		$	16,345
Changes in estimates related to pre-existing warranties		20,000			21,487
Settlements made during the period		(8,175	)		(8,845	)
Ending balance, December 31	$	40,812		$	28,987