Note 8 — Long-Term Debt

Long-term debt consisted of the following as of September 30, 2017 and December 31, 2016 (in thousands):


		September 30, 2017		December 31, 2016
Current portion of long-term debt	$	307,032	$	308,945
Current portion of unamortized debt issue cost, net		(3,609)		(3,485)
Current portion of long-term debt, net of debt issue costs	$	303,423	$	305,460

Long-term debt, net of current maturities	$	2,402,996	$	2,261,959
Long-term portion of unamortized debt issue cost, net		(22,204)		(21,908)
Long-term debt, net of current maturities and debt issue costs	$	2,380,792	$	2,240,051

Total long-term debt (including current portion)	$	2,710,028	$	2,570,904
Total unamortized debt issue cost, net		(25,813)		(25,393)
Total long-term debt, net of debt issue costs	$	2,684,215	$	2,545,511

During the nine months ended September 30, 2017, the Company took delivery of 18 E175 aircraft, which the Company financed through $384.8 million of long-term debt. The debt associated with the E175 aircraft delivered during the nine months ended September 30, 2017 has a twelve-year term, is due in quarterly installments with a fixed annual interest rate ranging from 4.3% to 4.7% and is secured by the E175 aircraft.

As of September 30, 2017 and December 31, 2016, the Company had $85.2 million in letters of credit and surety bonds outstanding with various banks and surety institutions.