Supplemental balance sheet information related to leases as of December 31, 2020 and 2019 was as follows (in thousands):


	Balance Sheet	Balance as of
	Classification	December 31, 2020		December 31, 2019
Assets:
Operating lease assets	Operating lease right-of-use assets, net ⁽¹⁾	$	1,386,959	$	628,681
Finance lease assets	Buildings and improvements, net ⁽²⁾		181,753		131,072
Total leased assets		$	1,568,712	$	759,753

Liabilities:
Operating lease liabilities	Operating lease liabilities	$	1,468,712	$	693,539
Finance lease liabilities	Accounts payable and other accrued liabilities		233,350		178,086
Total lease liabilities		$	1,702,062	$	871,625

_________________________

(1) Net of accumulated depreciation and amortization of $148.4 million and $51.7 million as of December 31, 2020 and 2019, respectively.

(2) Net of accumulated depreciation and amortization of $12.5 million and $4.9 million as of December 31, 2020 and 2019, respectively.

Finance Leases Maturity

Maturities of lease liabilities as of December 31, 2020 were as follows (in thousands):


	Operating		Finance
	lease liabilities		lease liabilities
2021	$	137,324	$	12,578
2022		143,183		13,099
2023		143,606		33,288
2024		144,303		12,039
2025		145,162		12,094
Thereafter		1,046,233		244,675
Total undiscounted future cash flows		1,759,811		327,773
Less: Imputed interest		(291,099)		(94,423)
Present value of undiscounted future cash flows	$	1,468,712	$	233,350

Lessor Operating Minimum Lease Payments

The following table summarizes the minimum lease payments due from our customers on leases with lease periods greater than one year for space in our operating properties, prestabilized development properties and leases of land subject to ground leases at December 31, 2020 (in thousands):


	Operating leases
2021	$	2,874,204
2022		2,126,375
2023		1,760,337
2024		1,457,784
2025		1,155,144
Thereafter		3,907,635
Total	$	13,281,479