4. Leases

Components of lease expense were as follows (in thousands):


	Thirteen weeks ended
	April 2, 2019
Operating	$	26,427
Variable		16,335
Short-term		77
Total	$	42,839

Rent expense on all operating leases (under ASC 840) was as follows (in thousands):


	Thirteen weeks ended
	April 3, 2018
Straight-lined minimum base rent	$	20,747
Contingent rent		5,095
Common area maintenance and taxes		9,929
Total	$	35,771

Supplemental cash flow information related to leases (in thousands, except percentages):


	Thirteen weeks ended
	April 2, 2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	24,213

Right-of-use assets obtained in exchange for new operating lease liabilities		5,768
Weighted-average remaining lease term — operating leases (in years)		17.2
Weighted-average discount rate — operating leases		5.2	%

As of April 2, 2019, the maturities of our operating lease liabilities are as follows (in thousands):


2019	$	73,887
2020		97,801
2021		95,773
2022		94,253
2023		93,107
Thereafter		1,174,579
Total future lease payments	$	1,629,400
Less: Interest		589,463
Present value of lease liabilities	$	1,039,937

As of January 1, 2019, the aggregate minimum annual lease payments under operating leases (under ASC 840), including amounts characterized as deemed landlord financing payments, were as follows (in thousands):


2019	$	93,792
2020		91,808
2021		88,829
2022		86,925
2023		81,929
Thereafter		495,091
Total	$	938,374