Note 14 - Commitments and Contingent Liabilities (Tables)

6 Months Ended

Jun. 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	$	58,068	$	41,869	$	16,199	$	—	$	—
Environmental		398		398		—		—		—
Other		112,773		104,099		8,674		—		—
Total Letters of Credit	$	171,239	$	146,366	$	24,873	$	—	$	—
Surety Bonds:
Employee-Related	$	83,524	$	83,524	$	—	$	—	$	—
Environmental		537,230		523,370		13,860		—		—
Other		4,254		3,577		677		—		—
Total Surety Bonds	$	625,008	$	610,471	$	14,537	$	—	$	—
Guarantees:
Other	$	8,141	$	8,141	$	-	$	—	$	—