Leases (Tables)

9 Months Ended

Sep. 30, 2021

Lessee Disclosure [Abstract]

Supplemental Balance Sheet Disclosures

Supplemental balance sheet information related to leases as of September 30, 2021 and December 31, 2020 was as follows:

	Balance Sheet Caption	September 30, 2021		December 31, 2020
Operating leases:
Building right-of-use assets - net	Other noncurrent assets	$	104,601	$	100,775
Equipment right-of-use assets - net	Other noncurrent assets	6,319		5,811
Total right-of-use assets - net		$	110,920	$	106,586
Operating leases:
Current lease liabilities	Accrued expenses	$	17,597	$	16,721
Noncurrent lease liabilities	Other noncurrent liabilities	96,927		94,250
Total lease liabilities		$	114,524	$	110,971

Schedule of Lease, Cost

The components of lease cost for the three and nine months ended September 30, 2021 and 2020 were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Operating lease cost (1)	$	9,258	$	7,349	$	23,754	$	19,663
Variable lease cost	730		426		1,903		1,380
Total lease expense	$	9,988	$	7,775	$	25,657	$	21,043

(1) Includes short-term leases, which are immaterial.

Schedule of Cash Flow, Supplemental Disclosures

Supplemental cash flow information related to leases for the nine months ended September 30, 2021 and 2020 was as follows:

	Nine Months Ended September 30,
	2021		2020
Cash paid for amounts included in the measurement of operating lease liabilities	$	23,134	$	19,198
Right-of-use assets obtained in exchange for new operating lease liabilities	13,853		36,707

Other supplemental information related to leases as of September 30, 2021 and December 31, 2020 was as follows:

Lease Term and Discount Rate	September 30, 2021		December 31, 2020
Weighted-average remaining lease term (years):
Operating leases - building and equipment	8.65		9.43
Operating leases - vehicles	2.25		2.01
Weighted-average discount rate:
Operating leases - building and equipment	3.27	%	3.51	%
Operating leases - vehicles	1.30	%	2.05	%

Schedule of Operating Lease, Liability, Maturity

Total lease liabilities at September 30, 2021 have scheduled maturities as follows:

Maturity of Lease Liabilities	Operating Leases
2021 (excluding the nine months ended September 30, 2021)	$	5,105
2022	19,884
2023	18,014
2024	15,130
2025	13,403
Thereafter	60,478
Total lease payments	132,014
Less: Imputed interest	(17,490)
Present value of lease liabilities	$	114,524

Total lease liabilities at December 31, 2020 had scheduled maturities as follows:

Maturity of Lease Liabilities	Operating Leases
2021	$	19,717
2022	17,014
2023	13,662
2024	11,681
2025	11,141
Thereafter	57,570
Total lease payments	130,785
Less: Imputed interest	(19,814)
Present value of lease liabilities	$	110,971