Fair Values of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2020

Fair Value Disclosures [Abstract]

Estimated Fair Value of Outstanding Debt Balances

The estimated fair value of our outstanding debt balances as of December 31, 2020 and 2019 is set forth below (in thousands):

	December 31, 2020				December 31, 2019
	Carrying		Fair		Carrying		Fair
	Value		Value		Value		Value
3.95% Senior Notes	$	509,505	$	471,019	$	525,000	$	511,485
5.15% Senior Notes		349,250		319,560		350,000		358,864
Term Loan Agreement		50,000		50,000		100,000		100,000
Total debt	$	908,755	$	840,579	$	975,000	$	970,349