Debt

6 Months Ended

Jun. 30, 2019

Debt consists of the following:



	June 30, 2019		December 31, 2018
	(in thousands)
$400 million senior unsecured notes with an effective interest rate of 6.0% less deferred issuance costs of $2.7 million and $3.2 million at June 30, 2019 and December 31, 2018, respectively	$	397,255	$	396,844
$250 million senior unsecured notes with an effective interest rate of 6.19% less a discount and deferred issuance costs of $0.4 million and $0.5 million at June 30, 2019 and December 31, 2018, respectively	249,642		249,489
$600 million senior unsecured credit facility with an effective interest rate of 3.47%, less deferred issuance costs of $2.7 million and $3.0 million at June 30, 2019 and December 31, 2018, respectively	97,311		87,582
Construction loan with an effective interest rate of 6.8%, less deferred issuance costs of $0.7 million and $0.9 million at June 30, 2019 and December 31, 2018, respectively	28,482		7,652
Fixed rate collateralized mortgage with an effective interest rate of 4.57%, plus a fair value adjustment of $0.3 million and $0.4 million at June 30, 2019 and December 31, 2018, respectively	7,858		8,197
Economic development loans with an effective interest rate of 3.0% at June 30, 2019 and December 31, 2018, respectively	4,240		4,240
Other notes payable	—		607
Total debt	$	784,788	$	754,611
Less current portion	508		1,097
Total long-term debt	$	784,280	$	753,514

On July 2, 2019, the Company exercised a one-year extension option on the senior unsecured credit facility, extending the maturity date from August 20, 2023 to August 20, 2024. For additional information regarding the senior unsecured credit facility and other debt, see the "Debt" caption under the "Liquidity and Capital Resources" section in Management's Discussion and Analysis of Financial Condition and Results of Operations.