Note 14 - Commitments and Contingent Liabilities (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

Schedule of Guarantor Obligations [Table Text Block]

	Amount of Commitment Expiration per Period
	Total Amounts Committed		Less Than 1 Year		1-3 Years		3-5 Years		Beyond 5 Years
Letters of Credit:
Employee-Related	$	75,846	$	52,929	$	22,917	$	—	$	—
Environmental		398		398		—		—		—
Other		52,982		47,504		5,478		—		—
Total Letters of Credit		129,226		100,831		28,395		—		—
Surety Bonds:
Employee-Related		86,024		50,524		35,500		—		—
Environmental		576,584		555,300		21,284		—		—
Other		4,789		4,584		205		—		—
Total Surety Bonds		667,397		610,408		56,989		—		—
Guarantees:
Other		10,704		6,636		3,438		398		232
Total Guarantees		10,704		6,636		3,438		398		232
Total Commitments	$	807,327	$	717,875	$	88,822	$	398	$	232