v3.25.4
Debt (Table)
 12 Months Ended
Dec. 31, 2025
Debt Disclosure [Abstract]  
Credit facilities
The following table summarizes the unsecured revolving credit agreement as of December 31, 2025:
(Dollars in thousands) 
Maximum borrowing capacity$100,000 
Letters of credit outstanding$57 
Amount available for use$99,943 
Long-term debt
Long-term debt as of December 31, 2025 and 2024, was as follows:
    December 31, 2025December 31, 2024
Issuance
date
Maturity
date
Call
date (any
time on
or after)
Principal
Amount
Less
Unamortized
discount
and debt
issuance
costs		Total
Principal
Amount
Less
Unamortized
discount
and debt
issuance
costs
Total
(Dollars in thousands)       
Unsecured Senior Notes       
6.70%Dec 2003
and
June 2004		Dec 2033Dec 2003
and
June 2004		$55,059 $921 $54,138 $55,059 $1,006 $54,053 
6.25%Aug 2020Sep 2069Sep 2025105,822 3,624 102,198 105,822 3,632 102,190 
5.50%Dec 2020Mar 2070Mar 202698,498 3,296 95,202 98,498 3,312 95,186 
5.50%May 2021Jun 2070Jun 2026104,550 3,215 101,335 104,550 3,232 101,318 
Term Loans325,000 3,552 321,448 723,250 3,774 719,476 
EIP Securitization— — — 2,000 — 2,000 
Export Credit Financing— — — 150,000 498 149,502 
Total long-term debt $688,929 $14,608 $674,321 $1,239,179 $15,454 $1,223,725 
Long-term debt, current $4,063 $22,000 
Long-term debt, noncurrent $670,258 $1,201,725