Leases (Tables)

6 Months Ended

Jun. 30, 2021

Leases [Abstract]

Components of Lease Expense

The components of lease expense are set forth in the table below:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
Operating lease expense	$	4,149	$	3,669	$	8,384	$	7,399
Finance lease expense:
Amortization of assets		2		209		213		418
Interest on lease liabilities		-		6		1		13
Short-term lease expense		246		122		491		216
Variable lease expense		1,161		738		2,290		1,449
Total lease expense	$	5,558	$	4,744	$	11,379	$	9,495

Supplemental Balance Sheet Information Related to Leases

The table below sets forth supplemental balance sheet information related to leases.  In our condensed consolidated balance sheets, right of use (“ROU”) assets are included in other long-term assets while lease liabilities are located in accrued liabilities and other for the current portion and other long-term liabilities for the non-current portion:

	June 30, 2021	December 31, 2020
Operating leases:
Operating lease ROU assets	$60,587	$54,457
Current operating lease liabilities	13,787	10,663
Noncurrent operating lease liabilities	30,423	27,041
Total operating lease liabilities	$44,210	$37,704
Finance leases:
Finance lease ROU assets	$2,549	$2,507
Accumulated amortization	(2,518)	(2,298)
Finance lease ROU assets, net	$31	$209
Current finance lease liabilities	$12	$149
Non-current finance lease liabilities	21	24
Total finance lease liabilities	$33	$173
Weighted average remaining lease term (in years):
Operating leases	6.8	7.6
Finance leases	2.8	0.6
Weighted average discount rate:
Operating leases	4.0%	4.0%
Finance leases	3.7%	3.1%

Supplemental Cash Flow and Other Information Related to Leases

The table below sets forth supplemental cash flow and other information related to leases:

	Six Months Ended
	June 30, 2021	June 30, 2020
Cash paid for the amounts included in the measurements of lease liabilities:
Operating cash outflows from operating leases	$10,973	$9,753
Operating cash outflows from finance leases	1	13
Financing cash outflow from finance leases	151	445
ROU assets obtained in exchange for lease liabilities incurred:
Operating leases	12,265	532

Schedule of Operating and Finance Lease Liability Maturities

The table below sets forth information about lease liability maturities:

	June 30, 2021
	Operating Leases		Finance Leases
Remainder of 2021	$	7,791	$	6
2022		14,253		13
2023		9,242		11
2024		4,359		5
2025		4,173		-
2026		2,742		-
2027 and thereafter		8,830		-
Total lease payments		51,390		35
Less: imputed interest		(7,180)		(2)
Total lease obligations		44,210		33
Less: current obligations		(13,787)		(12)
Long-term lease obligations	$	30,423	$	21