LONG-TERM DEBT - Interest Expense (Details) - USD ($)		3 Months Ended		9 Months Ended
	Sep. 16, 2016	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Long-term debt
Interest expense		$ 1,771,000	$ 1,684,000	$ 5,164,000	$ 5,151,000
Amortization of loan costs		125,000	488,000	350,292	715,448
Amortization of discount		301,000	282,000	888,851	833,903
Interest capitalized		(124,000)		(124,000)	0
Total Interest Expense		2,073,000	2,454,000	6,279,000	6,701,000
Interest paid		2,588,000	$ 2,589,000	6,026,000	6,048,000
Debt discount		$ 3,230,568		$ 3,230,568
Interest expense
Long-term debt
Write off of unamortized loan costs	$ 367,000,000
Sold | Portfolio Sale
Long-term debt
Non-cash decrease in long-term debt for buyer assumption of mortgage loan	$ 23,100,000				$ 23,100,000