Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2019

Commitments and Contingencies Disclosure [Abstract]

Schedule of Warranty Activity

Warranty activity during the three and nine months ended September 30, 2019 and 2018 consisted of the following (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
Warranty accrual, beginning of period	$	2,898		$	2,539		$	2,980		$	2,083
Warranties issued	930			532			2,351			1,645
Changes in liability for existing warranties	169			34			72			17
Settlements	(639		)	(455		)	(2,045		)	(1,095		)
Warranty accrual, end of period	$	3,358		$	2,650		$	3,358		$	2,650

Schedule of Annual Minimum Operating Lease Payments

The future annual undiscounted cash flows in relation to the operating leases and a reconciliation of such undiscounted cash flows to the operating lease liabilities recognized in the condensed consolidated balance sheet as of September 30, 2019 are presented below (in thousands):

Remainder of 2019	$	321
2020	1,320
2021	1,096
2022	819
2023	622
Total future lease payments	$	4,178
Less: Interest	341
Present value of lease liabilities	$	3,837

Schedule of Expected Land and Lot Purchase Payments Under Option Agreements

If each option contract in place as of September 30, 2019 was exercised, expected purchase payments would be as follows (in thousands):

	Total
Remainder of 2019	$	52,978
2020	113,458
2021	49,861
2022	8,075
Total	$	224,372