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Commitments and Contingencies (Tables)
 9 Months Ended
Sep. 30, 2020
Commitments and Contingencies Disclosure [Abstract]  
Summary of Changes in Warranty Liability Changes to warranty liabilities were as follows ($000’s omitted):
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2020
 
2019
 
2020
 
2019
Warranty liabilities, beginning of period
$
86,278

 
$
81,442

 
$
91,389

 
$
79,154

Reserves provided
15,320

 
16,152

 
47,364

 
43,060

Payments
(18,551
)
 
(19,573
)
 
(52,741
)
 
(53,634
)
Other adjustments (a)
501

 
10,402

 
(2,464
)
 
19,843

Warranty liabilities, end of period
$
83,548

 
$
88,423

 
$
83,548

 
$
88,423



(a)
Includes charges of $9.0 million and $14.8 million in the three and nine months ended September 30, 2019, respectively, related to estimated costs to complete repairs in a closed-out community.
Summary of Changes in Self-Insurance Liability Changes in these liabilities were as follows ($000's omitted):
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2020
 
2019
 
2020
 
2019
Balance, beginning of period
$
640,014

 
$
716,218

 
$
709,798

 
$
737,013

Reserves provided
21,992

 
21,892

 
60,618

 
59,558

Adjustments to previously recorded reserves
—

 
(1,700
)
 
(59,362
)
 
(18,338
)
Payments, net (a)
(9,460
)
 
(11,092
)
 
(58,508
)
 
(52,915
)
Balance, end of period
$
652,546

 
$
725,318

 
$
652,546

 
$
725,318


(a)
Includes net changes in amounts expected to be recovered from our insurance carriers, which are recorded in other assets (see below).
Schedule of Future Minimum Lease Payments Required Under Leases
The future minimum lease payments required under our leases as of September 30, 2020 were as follows ($000's omitted):
Years Ending December 31,
 
2020 (a)
$
5,541

2021
22,648

2022
20,755

2023
19,425

2024
13,755

Thereafter
28,687

Total lease payments (b)
110,811

Less: Interest (c)
16,503

Present value of lease liabilities (d)
$
94,308


(a)
Remaining payments are for the three months ending December 31, 2020.
(b)
Lease payments include options to extend lease terms that are reasonably certain of being exercised. There were $1.7 million of legally binding minimum lease payments for leases signed but not yet commenced at September 30, 2020.
(c)
Our leases do not provide a readily determinable implicit rate. Therefore, we must estimate our discount rate for such leases to determine the present value of lease payments at the lease commencement date.
(d)
The weighted average remaining lease term and weighted average discount rate used in calculating our lease liabilities were 5.5 years and 5.7%, respectively, at September 30, 2020.