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Short-Term and Long-Term Borrowings (Tables)

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Schedule of Line of Credit Facilities

The following is a summary of our lines of credit as of March 31, 2024 and December 31, 2023:

									March 31, 2024																		December 31, 2023
(in thousands)			Borrowing Limit						Amount Outstanding						Letters of Credit						Amount Available						Amount Available
OTC Credit Agreement			$	170,000					$	—					$	—					$	170,000					$	170,000
OTP Credit Agreement			170,000						—						9,132						160,868						79,446
Total			$	340,000					$	—					$	9,132					$	330,868					$	249,446

Schedule of Debt

The following is a summary of outstanding long-term debt by borrower as of March 31, 2024 and December 31, 2023: 

																								(in thousands)
Borrower						Debt Instrument						Rate						Maturity						March 31, 2024						December 31, 2023
OTC						Guaranteed Senior Notes						3.55		%				12/15/26						$	80,000					$	80,000
OTP						Series 2007C Senior Unsecured Notes						6.37		%				08/02/27						42,000						42,000
OTP						Series 2013A Senior Unsecured Notes						4.68		%				02/27/29						60,000						60,000
OTP						Series 2019A Senior Unsecured Notes						3.07		%				10/10/29						10,000						10,000
OTP						Series 2020A Senior Unsecured Notes						3.22		%				02/25/30						10,000						10,000
OTP						Series 2020B Senior Unsecured Notes						3.22		%				08/20/30						40,000						40,000
OTP						Series 2021A Senior Unsecured Notes						2.74		%				11/29/31						40,000						40,000
OTP						Series 2024A Senior Unsecured Notes						5.48		%				04/01/34						60,000						—
OTP						Series 2007D Senior Unsecured Notes						6.47		%				08/20/37						50,000						50,000
OTP						Series 2019B Senior Unsecured Notes						3.52		%				10/10/39						26,000						26,000
OTP						Series 2020C Senior Unsecured Notes						3.62		%				02/25/40						10,000						10,000
OTP						Series 2013B Senior Unsecured Notes						5.47		%				02/27/44						90,000						90,000
OTP						Series 2018A Senior Unsecured Notes						4.07		%				02/07/48						100,000						100,000
OTP						Series 2019C Senior Unsecured Notes						3.82		%				10/10/49						64,000						64,000
OTP						Series 2020D Senior Unsecured Notes						3.92		%				02/25/50						15,000						15,000
OTP						Series 2021B Senior Unsecured Notes						3.69		%				11/29/51						100,000						100,000
OTP						Series 2022A Senior Unsecured Notes						3.77		%				05/20/52						90,000						90,000
OTP						Series 2024B Senior Unsecured Notes						5.77		%				04/01/54						60,000						—
Total																								$	947,000					$	827,000
Less:			Unamortized Long-Term Debt Issuance Costs																					3,464						2,941
Total Long-Term Debt, Net of Unamortized Debt Issuance Costs																								$	943,536					$	824,059

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- Definition

Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.

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- Definition

Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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