The Company’s lease population is comprised of leases for land and/or buildings in which certain of the Company’s self-storage facilities operate, as well as leases of corporate office space. All leases where the Company is the lessee qualify as operating leases and the Company does not have any financing leases as of March 31, 2021. At March 31, 2021 and December 31, 2020, the Company’s aggregate right-of-use assets total $19.9 million and $20.3 million, respectively, and are included in other assets on the consolidated balance sheet. The related lease liabilities at March 31, 2021 and December 31, 2020 total $19.7 million and $19.9 million, respectively, and are included in accounts payable and accrued liabilities on the consolidated balance sheet.

Expenses related to operating leases totaled $0.6 million and $0.5 million for the three months ended March 31, 2021 and 2020, respectively. At March 31, 2021, the weighted average remaining lease term and weighted average discount rate for the Company’s operating leases were 11.2 years and 4.67%, respectively.

At March 31, 2021, the Company has approximately $25.7 million of operating lease commitments, excluding variable consideration. The undiscounted future minimum lease payments are summarized by year in the table below:

(in thousands)
2021	$	1,939
2022		2,388
2023		2,388
2024		2,374
2025		2,402
Thereafter		14,181
Total	$	25,672

The difference between the amounts included in the table above and the aggregate lease liability recorded in the accompanying consolidated balance sheet at March 31, 2021 is the result of the impact of the discount rate on future minimum lease payments.

At March 31, 2021, the Company was under contract to acquire six self-storage facilities for an aggregate purchase price of $106.5 million. The Company acquired one of these facilities subsequent to March 31, 2021 for $16.5 million. The purchase of the remaining facilities are subject to customary conditions to closing, and there is no assurance that these facilities will be acquired.

At March 31, 2021, the Company has signed contracts in place with third-party contractors for expansion and enhancements at its existing facilities. The Company expects to pay $33.8 million under these contracts in 2021 and 2022.