The Company leases office space, storage warehouses and certain plant equipment under various operating leases. The Company’s operating leases have remaining lease terms of less than 1 year to 8 years. Lease terms may include options to extend or terminate the lease when it is reasonably certain that the Company will exercise that option.

For the three months ended March 31, 2021 and March 31, 2020, total operating lease expense was $2.0 million and $2.1 million, respectively. The weighted average remaining lease term at March 31, 2021 and December 31, 2020 was 5.4 years and 5.6 years, respectively. The weighted average discount rate at March 31, 2021 and December 31, 2020 was 3.42% and 3.47%, respectively.

The following table includes supplemental cash flow information for the three months ended March 31, 2021 and March 31, 2020 and supplemental balance sheet information at March 31, 2021 and December 31, 2020 related to operating leases (in thousands):


	Three Months Ended March 31,
Supplemental cash flow information	2021		2020
Cash paid for amounts included in the measurement of operating lease liabilities	$	2,056	$	2,143
Operating ROU assets obtained in exchange for lease liabilities	$	1,038	$	—

Supplemental balance sheet information	March 31, 2021		December 31, 2020

Operating lease ROU assets	$	33,672	$	34,382

Operating lease liabilities:
Accrued expenses and other current liabilities	$	7,130	$	6,708
Operating lease liabilities		27,420		28,579

Total operating lease liabilities	$	34,550	$	35,287

The following table summarizes maturities of operating lease liabilities at March 31, 2021 (in thousands):


Maturities of operating lease liabilities
2021	$	6,163
2022		7,723
2023		6,748
2024		6,390
2025		4,483
Thereafter		6,599

Total lease payments		38,106
Less imputed interest		(3,556	)

Total operating lease liabilities	$	34,550