FAIR VALUE (Tables)

12 Months Ended

Dec. 31, 2023

Fair Value Disclosures [Abstract]

Schedule of Cost and Fair Values of Assets and Liabilities

The cost and fair values of our investments in the Executive Benefit Restoration Plan trust are as follows (dollars in thousands):

	December 31, 2023				December 31, 2022
	Cost		Estimated Fair Value		Cost		Estimated Fair Value
Marketable securities	$	10,821	$	10,298	$	10,604	$	9,808

The amortized cost and fair values of our marketable securities are as follows (dollars in thousands):

	December 31, 2023				December 31, 2022
	Cost		Estimated Fair Value		Cost		Estimated Fair Value
Marketable securities	$	576	$	530	$	558	$	489

The principal amounts and fair values of our debt are as follows (dollars in thousands):

	December 31, 2023				December 31, 2022
	Principal Amount		Estimated Fair Value		Principal Amount		Estimated Fair Value
Total long-term debt	$	3,137,534	$	2,909,301	$	2,981,481	$	2,725,606