Debt (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Summary of Long-Term Debt

Long-term debt was comprised of the following:

	As of December 31
	2018			2017
Total credit facility	$	300,000		$	300,000
Balance outstanding	$	50,000		$	76,300
Standby letters of credit	$	1,940		$	2,065
Amount available	$	248,060		$	221,635
Weighted-average interest rate	3.10		%	2.30		%
Commitment fee percentage per annum	0.20		%	0.25		%

Summary of Interest Rate Swaps Activity Recorded in Other Comprehensive Income Before Tax

Interest rate swaps activity recorded in other comprehensive earnings before tax included the following:

	Years Ended December 31,
	2018			2017			2016
Unrealized (loss) gain	$	(394	)	$	(255	)	$	593
Realized gain reclassified to interest expense	$	421		$	37		$	928