5. Debt

	As of Sep. 30, 2019			As of Dec. 31, 2018

10.17% Senior Notes, Series A, due 2019	$	–		$	6,000
9.60% Senior Notes, Series B, due 2019		–			5,000
1.00% Pennvest Note, due 2019		–			30
10.05% Senior Notes, Series C, due 2020		6,500			6,500
8.43% Senior Notes, Series D, due 2022		7,500			7,500
Variable Rate Pennsylvania Economic Development Financing Authority Exempt Facilities Revenue Refunding Bonds, Series 2008A, due 2029		12,000			12,000
4.75% York County Industrial Development Authority Revenue Bonds, Series 2006, due 2036		10,500			10,500
4.50% Pennsylvania Economic Development Financing Authority Exempt Facilities Revenue Refunding Bonds, Series 2014, due 2038		14,870			14,870
5.00% Monthly Senior Notes, Series 2010A, due 2040		15,000			15,000
4.00% - 4.50% York County Industrial Development Authority Exempt Facilities Revenue Bonds, Series 2015, due 2029 - 2045		10,000			10,000
4.54% Senior Notes, due 2049		20,000			–
Committed Lines of Credit, due 2021		6,958			8,508
Total long-term debt		103,328			95,908
Less discount on issuance of long-term debt		(195	)		(204	)
Less unamortized debt issuance costs		(2,421	)		(2,346	)
Less current maturities		(6,500	)		(30	)
Long-term portion	$	94,212		$	93,328

On January 31, 2019, the Company entered into a note purchase agreement with certain institutional investors relating to the private placement of $20,000 aggregate principal amount of the Company’s senior notes. The senior notes bear interest at 4.54% per annum payable semiannually and mature on January 31, 2049. The senior notes are unsecured and unsubordinated obligations of the Company. The Company received net proceeds, after deducting issuance costs, of approximately $19,820. The net proceeds were used to refinance the $11,000 aggregate principal amount of the Company’s 10.17% Series A Senior Notes due February 1, 2019 and the 9.60% Series B Senior Notes due February 1, 2019, and to refinance line of credit borrowings incurred by the Company as interim financing for various capital projects of the Company.

In the second quarter of 2019, the Company renewed its $13,000 and $11,000 committed lines of credit and extended the maturity date of each to May 2021, and it renewed its $7,500 committed line of credit and extended the maturity date to June 2021.

In the third quarter of 2019, the Company renewed its $10,000 committed line of credit and extended the maturity date to September 2020.