Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Schedule of Warranty Reserves

Warranty reserves consisted of the following (in thousands):

	Year Ended December 31,
	2019			2018			2017
Warranty reserves, beginning of period	$	71,836		$	69,373		$	83,135
Warranty reserves accrued	27,537			25,340			13,336
Adjustments to pre-existing reserves	(427		)	(4,286		)	(9,354		)
Warranty expenditures	(22,339		)	(18,591		)	(17,744		)
Warranty reserves, end of period	$	76,607		$	71,836		$	69,373

Lease Costs and Other Information

See below for additional information on leases (dollars in thousands):

	Year Ended December 31, 2019
Lease Cost
Operating lease cost (included in SG&A expense)	$	9,228
Ground lease cost (included in other operations expense)	2,434
Sublease income, ground leases (included in other operations revenue)	(2,470		)
Net lease cost	$	9,192
Other information
Cash paid for amounts included in the measurement of lease liabilities:
Operating lease cash flows (included in operating cash flows)	$	6,513
Ground lease cash flows (included in operating cash flows)	$	2,434
Right-of-use assets obtained in exchange for new operating lease liabilities	$	2,473

	December 31, 2019
Weighted-average discount rate:
Operating leases	5.9	%
Ground leases	10.2	%
Weighted-average remaining lease term (in years):
Operating leases	6.1
Ground leases	48.1

Schedule of Future Minimum Lease Payments

The future minimum lease payments under our operating leases are as follows (in thousands):

	Property, Equipment and Other Leases		Ground Leases (1)
2020	$	8,592	$	2,984
2021	7,192		2,984
2022	5,598		2,984
2023	4,492		2,984
2024	2,768		2,984
Thereafter	6,403		81,282
Total operating lease payments	$	35,045	$	96,202
Less: Interest	5,804		69,318
Present value of operating lease liabilities	$	29,241	$	26,884

⁽¹⁾     Ground leases are fully subleased through 2041, representing $65.2 million of the $96.2 million future ground lease obligations.