Debt (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Summary of Long-Term Debt

Long-term debt was comprised of the following:

	As of December 31
	2019			2018
Total credit facility	$	300,000		$	300,000
Balance outstanding	$	99,700		$	50,000
Standby letters of credit	$	1,800		$	1,940
Amount available	$	198,500		$	248,060
Weighted-average interest rate	3.25		%	3.10		%
Commitment fee percentage per annum	0.23		%	0.20		%