Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases

Schedule of operating lease right-of-use assets and lease obligations

Operating lease right-of-use assets and lease obligations included in the consolidated balance sheets at December 31, are as follows (in thousands):

		2020		2019
Right-of-use assets under operating leases:
Other assets - noncurrent	$	90,280	$	75,176
Lease obligations under operating leases:
Accrued liabilities	$	17,702	$	17,532
Other liabilities - noncurrent		72,614		57,897
	$	90,316	$	75,429

Schedule of future operating lease liabilities

2021	$	20,734
2022		17,165
2023		14,057
2024		11,418
2025		8,888
Thereafter		34,159
Total undiscounted cash flows		106,421
Less imputed interest		(16,105)
Lease obligations under operating leases	$	90,316