The Company has operating and finance leases for office space, equipment and vehicles.

(1)	Operating lease right-of-use assets are recorded net of accumulated amortization of $8.9 million and $9.0 million as of September 30, 2021 and December 31, 2020, respectively.

(2)	Financing lease right-of-use assets are recorded net of accumulated amortization of $2.1 million and $6.4 million as of September 30, 2021 and December 31, 2020, respectively.

Other information related to lease term and discount rate is as follows:


	September 30,		December 31,
	2021		2020
Weighted Average Remaining Lease Term (in years)
Operating leases	5.07		5.25
Financing leases	5.05		4.96
Weighted Average Discount Rate
Operating leases (1)	4.78	%	4.73	%
Financing leases	4.22	%	4.46	%

(1)	Upon adoption of the new lease standard, discount rates used for existing operating leases were established on January 1, 2019.

The components of lease expense are as follows:


	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Operating lease costs:
Operating lease cost	$	1,338	$	1,588	$	4,510	$	4,815
Short-term lease cost (1)		425		833		1,432		2,914
Financing lease costs:
Interest on lease liabilities		125		135		369		410
Amortization of right-of-use assets		657		902		2,259		2,487
Total lease cost	$	2,545	$	3,458	$	8,570	$	10,626

(1)	Includes expenses related to leases with a lease term of more than one month but less than one year.

Supplemental cash flow information related to leases is as follows:


	Nine Months Ended September 30,
	2021		2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	4,358	$	4,743
Operating cash flows for finance leases	$	369	$	410
Financing cash flows for finance leases	$	2,500	$	2,751
Non-cash activity:
ROU assets obtained in exchange for new operating lease liabilities	$	818	$	3,017
ROU assets obtained in exchange for new financing lease liabilities	$	4,329	$	9,714

Maturities of lease liabilities are summarized as follows:


	Operating Leases		Finance Leases
Year ending December 31,
2021 (excluding the nine months ended September 30, 2021)	$	1,291	$	656
2022		4,296		3,492
2023		3,432		2,596
2024		2,641		2,036
2025		2,354		1,430
Thereafter		4,090		3,035
Total future minimum lease payments		18,104		13,245
Less - amount representing interest		2,101		1,513
Present value of future minimum lease payments		16,003		11,732
Less - current lease obligations		3,970		1,408
Long-term lease obligations	$	12,033	$	10,324