Debt (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Summary of Long-Term Debt

Long-term debt is comprised of the following:

	As of
	March 31,			December 31,
	2019			2018
Total credit facility	$	300,000		$	300,000
Balance outstanding	$	50,000		$	50,000
Standby letters of credit	$	1,940		$	1,940
Amount available	$	248,060		$	248,060
Weighted-average interest rate	3.60		%	3.10		%
Commitment fee percentage per annum	0.20		%	0.20		%