Leases (Tables)

6 Months Ended

Jun. 30, 2021

Lessee Disclosure [Abstract]

Supplemental Balance Sheet Disclosures

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

	Balance Sheet Caption	June 30, 2021		December 31, 2020
Operating leases:
Building right-of-use assets - net	Other noncurrent assets	$	98,716	$	100,775
Equipment right-of-use assets - net	Other noncurrent assets	5,953		5,811
Total right-of-use assets - net		$	104,669	$	106,586
Operating leases:
Current lease liabilities	Accrued expenses	$	16,368	$	16,721
Noncurrent lease liabilities	Other noncurrent liabilities	91,950		94,250
Total lease liabilities		$	108,318	$	110,971

Schedule of Lease, Cost

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Operating lease cost (1)	$	7,061	$	5,986	$	14,496	$	12,314
Variable lease cost	594		313		1,173		954
Total lease expense	$	7,655	$	6,299	$	15,669	$	13,268

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

Schedule of Cash Flow, Supplemental Disclosures

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

	Six Months Ended June 30,
	2021		2020
Cash paid for amounts included in the measurement of operating lease liabilities	$	13,646	$	12,225
Right-of-use assets obtained in exchange for new operating lease liabilities	6,179		34,298

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

Lease Term and Discount Rate	June 30, 2021		December 31, 2020
Weighted-average remaining lease term (years):
Operating leases - building and equipment	9.07		9.43
Operating leases - vehicles	2.24		2.01
Weighted-average discount rate:
Operating leases - building and equipment	3.42	%	3.51	%
Operating leases - vehicles	1.48	%	2.05	%

Schedule of Operating Lease, Liability, Maturity

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

Maturity of Lease Liabilities	Operating Leases
2021 (excluding the six months ended June 30, 2021)	$	9,525
2022	18,061
2023	16,072
2024	12,902
2025	11,669
Thereafter	58,104
Total lease payments	126,333
Less: Imputed interest	(18,015)
Present value of lease liabilities	$	108,318

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