Note 8 - Leases (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Lease, Cost [Table Text Block]

	Year ended
	December 31,
	2020			2019
	(In Thousands)
Finance lease cost:
Amortization of right-of-use assets	$	142,582		$	111,559
Interest on lease liabilities		7,736			8,346
Operating lease cost		1,081,620			1,080,226
Sublease income		(47,200	)		(45,200	)
Total lease costs	$	1,184,738		$	1,154,931
Additional lease information:
Weighted-average remaining lease term - financing leases (in years)		3.4			3.5
Weighted-average remaining lease term - operating leases (in years)		14.4			15.2
Weighted-average discount rate - financing leases		1.32	%		1.96	%
Weighted-average discount rate - operating leases		5.68	%		5.60	%

Lessee, Finance and Operating Lease, Liability, Maturity [Table Text Block]

	Financing			Operating			Total
				(In Thousands)
2021	$	175		$	1,020		$	1,195
2022		170			1,011			1,181
2023		97			1,014			1,111
2024		53			856			909
2025		25			752			777
Thereafter		-			8,228			8,228
Total undiscounted future minimum lease cash payments	$	520		$	12,881		$	13,401
Present value discount		(9	)		(4,320	)		(4,329	)
Lease liability	$	511		$	8,561		$	9,072