Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Commitment Expiration

The Company's management believes that these guarantees will expire without being funded, and therefore, the commitments will not have a material adverse effect on the Company's financial condition.

	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	$	73,383	$	59,241	$	14,142	$	—	$	—
Environmental	398		—		398		—		—
Other	32,820		7,620		25,200		—		—
Total Letters of Credit	106,601		66,861		39,740		—		—
Surety Bonds:
Employee-Related	104,033		102,733		1,300		—		—
Environmental	465,837		431,695		34,142		—		—
Other	4,921		4,766		155		—		—
Total Surety Bonds	574,791		539,194		35,597		—		—
Guarantees:
Other	24,086		8,550		13,401		1,554		581
Total Guarantees	24,086		8,550		13,401		1,554		581
Total Commitments	$	705,478	$	614,605	$	88,738	$	1,554	$	581