Lease Income

3 Months Ended

Mar. 31, 2021

The Operating Partnership is the lessor and the sublessor to tenants under operating and sales-type leases. The minimum rental amounts due under the leases are generally subject to scheduled fixed increases or adjustments. The leases generally also require that the tenants reimburse us for increases in certain operating costs and real estate taxes above their base year costs.

The components of lease income from operating leases during the quarters ended March 31, 2021 and 2020 were as follows (in thousands):


	Three Months Ended March 31,
	2021		2020
Fixed lease payments	$	164,679	$	194,224
Variable lease payments	25,279		27,168
Total lease payments (1)	$	189,958	$	221,392
Amortization of acquired above and below-market leases	(1,869)		1,239
Total rental revenue	$	188,089	$	222,631

(1)Amounts include $65.8 million and $66.3 million of sublease income during the three months ended March 31, 2021 and 2020, respectively.

The components of lease income from sales-type leases during the quarters ended March 31, 2021 and 2020 were as follows (in thousands):


	Three Months Ended March 31,
	2021		2020

Interest income (1)	$	1,101	$	—

(1)These amounts are included in Other income in our consolidated statements of operations.