Fair Values of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Estimated Fair Value of Outstanding Debt Balances

The estimated fair value of the Company’s outstanding debt balances as of December 31, 2019 and 2018 is set forth below (in thousands):

	December 31, 2019				December 31, 2018
	Carrying		Fair		Carrying		Fair
	Value		Value		Value		Value
3.95% Senior Notes	$	525,000	$	511,485	$	525,000	$	482,488
5.15% Senior Notes		350,000		358,864		—		—
4.97% Series A Senior Notes		—		—		300,000		300,043
4.27% Series B Senior Notes		—		—		300,000		293,900
2019 Term Loan		100,000		100,000		—		—
Total debt	$	975,000	$	970,349	$	1,125,000	$	1,076,431