Note 14 - Commitments and Contingent Liabilities (Tables)

9 Months Ended

Sep. 30, 2021

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	$	58,768	$	37,074	$	21,694	$	—	$	—
Environmental		398		398		—		—		—
Other		124,824		105,096		19,728		—		—
Total Letters of Credit	$	183,990	$	142,568	$	41,422	$	—	$	—
Surety Bonds:
Employee-Related	$	83,524	$	48,024	$	35,500	$	—	$	—
Environmental		537,822		516,537		21,285		—		—
Other		4,346		4,141		205		—		—
Total Surety Bonds	$	625,692	$	568,702	$	56,990	$	—	$	—
Guarantees:
Other	$	6,889	$	6,889	$	—	$	—	$	—