LONG-TERM DEBT (Details) $ in Thousands				6 Months Ended
	Jul. 26, 2019 USD ($)	Apr. 17, 2019 USD ($)	Mar. 06, 2019 USD ($)	Jun. 30, 2019 USD ($) Property	Dec. 31, 2018 USD ($)	Jul. 11, 2018 USD ($)
Long-term debt [Abstract]
Deferred financing fees				$ (437)	$ (532)
Long term debt				26,014	48,769
Less current maturities				(4,579)	(15,000)
Long-term debt, excluding current maturities				$ 21,435	33,769
Number of properties owned | Property				4
Letters of credit outstanding				$ 4,500	1,800
Scheduled maturities of long-term debt [Abstract]
2019 (excluding the six months ended June 30, 2019)				4,885
2020				3,405
2021				2,270
2022				2,270
2023				2,270
Thereafter				11,351
Long term debt				$ 26,451
Colorado, Tennessee and Texas Properties [Member]
Long-term debt [Abstract]
Number of properties owned | Property				3
Connecticut [Member]
Long-term debt [Abstract]
Number of properties owned | Property				1
Prime Rate [Member]
Long-term debt [Abstract]
Interest rate on credit facility			6.50%
Letter of Credit [Member]
Long-term debt [Abstract]
Percentage of letter of credit fee, quarterly installment				1.75%
Letters of credit outstanding				$ 6,200
Maximum availability under the facility previously provided				$ 9,500
Percentage of unused facility fee payable quarterly				1.25%
Credit Agreement and Term Loan [Member]
Long-term debt [Abstract]
Long-term line of credit				$ 26,451	49,301
Term Loan [Member]
Long-term debt [Abstract]
Line of credit facility, remaining borrowing capacity					$ 22,700
Credit Agreement [Member]
Long-term debt [Abstract]
Percentage of letters of credit margin against available funds in cash collateral				100.00%
Minimum quarterly average aggregate balances to be maintained				$ 5,000
Bank fees if minimum quarterly average aggregate balances is not maintained				12,500
Modification fees paid to bank				50,000
Revolving Credit Facility 1 [Member]
Long-term debt [Abstract]
Line of credit facility, maximum borrowing capacity						$ 25,000
Line of credit facility, remaining borrowing capacity				$ 22,700
Expiration date of credit facility				Mar. 31, 2024
Percentage of net proceeds of sale used to pay down principal amount				25.00%
Scheduled maturities of long-term debt [Abstract]
2019 (excluding the six months ended June 30, 2019)				$ 200
2020				600
2021				400
2022				400
2023				400
Revolving Credit Facility 2 [Member]
Long-term debt [Abstract]
Line of credit facility, maximum borrowing capacity						25,000
Line of credit facility, remaining borrowing capacity			$ 2,500
Line of credit facility, payable				$ 5,000
Line of credit facility, additional borrowing capacity		$ 1,250
Expiration date of credit facility				Apr. 30, 2020
Revolving Credit Facility 2 [Member] | Prime Rate [Member]
Long-term debt [Abstract]
Interest rate on credit facility				3.50%
Revolving Credit Facility 2 [Member] | Letter of Credit [Member]
Long-term debt [Abstract]
Line of credit facility, maximum borrowing capacity						10,000
Revolving Credit Facility 3 [Member]
Long-term debt [Abstract]
Line of credit facility, maximum borrowing capacity						$ 15,000
Expiration date of credit facility				May 31, 2019
Subsequent Event [Member] | Revolving Credit Facility 2 [Member]
Long-term debt [Abstract]
Line of credit facility, additional borrowing capacity	$ 1,250
Tranche A [Member] | Term Loan [Member] | Prime Rate [Member]
Long-term debt [Abstract]
Interest rate on credit facility				2.85%
Tranche A [Member] | Revolving Credit Facility 2 [Member] | Prime Rate [Member]
Long-term debt [Abstract]
Interest rate on credit facility				2.85%
Percentage of unused facility fee payable quarterly				0.50%
Tranche B [Member] | Term Loan [Member] | Prime Rate [Member]
Long-term debt [Abstract]
Interest rate on credit facility				6.00%
Tranche B [Member] | Revolving Credit Facility 2 [Member] | Prime Rate [Member]
Long-term debt [Abstract]
Interest rate on credit facility				6.00%