Leases (Tables)

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Schedule of leases recorded on the balance sheet

	September 30,		December 31,
Leases	2021		2020
Assets
Operating lease right-of-use assets, net (1)	$	15,193	$	18,874
Financing lease right-of-use assets, net (2)		12,135		12,858
Total assets	$	27,328	$	31,732
Liabilities
Current
Operating	$	3,970	$	4,989
Financing		1,408		3,901
Total current		5,378		8,890
Noncurrent
Operating		12,033		14,537
Financing		10,324		8,376
Total noncurrent		22,357		22,913
Total liabilities	$	27,735	$	31,803

(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.

Schedule of information related to lease terms and discount rates

	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.

Schedule of components of lease expense

	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.

Schedule of supplemental cash flow information

	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

Schedule of operating lease maturities

	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

Schedule of finance lease maturities

	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