Debt - 2016 Credit Agreement (Details)							2 Months Ended	3 Months Ended
	Apr. 01, 2019	Aug. 30, 2018 USD ($)	Jun. 06, 2018	Apr. 23, 2018 USD ($) property	Mar. 14, 2018 USD ($)	Nov. 08, 2016 USD ($)	Jun. 30, 2018	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Mar. 15, 2019 USD ($)	Aug. 29, 2018 USD ($)	Aug. 30, 2017 USD ($)
Debt Instrument [Line Items]
Total credit facility debt					$ 38,170,000								$ 30,985,000
2016 Credit Agreement
Debt Instrument [Line Items]
Remaining debt term					14 months
Debt covenant, CTLAL maximum					6.50	5.00
Debt covenant, consolidated fixed charge coverage ratio						1.25
Minimum consolidated EBITDA covenant threshold					$ 7,000,000.0
Minimum liquidity covenant threshold					2,000,000.0
Maximum annual maintenance capital expenditures covenant threshold					$ 9,600,000.0
Period from amendment, senior security interest in and lien on real estate property					30 days
Loan-to-value covenant ratio					0.5
Excess liquidity provision covenant threshold					$ 1,000,000
Letters of credit					1,300,000
2016 Credit Agreement | Revolver
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity					30,000,000
Total credit facility debt					$ 13,000,000								4,400,000
2016 Credit Agreement | Revolver | 30-day LIBOR (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate					1.00%	1.00%
2016 Credit Agreement | Letters of Credit
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity					$ 2,000,000	$ 5,000,000
2016 Credit Agreement | Term Loan
Debt Instrument [Line Items]
Total credit facility debt					$ 25,170,000								$ 26,585,000
Scenario, Forecast | 2016 Credit Agreement
Debt Instrument [Line Items]
Basis spread on variable rate	5.50%						4.50%	5.25%	5.00%	4.75%
Debt covenant, CTLAL maximum		6.50	6.75
Minimum consolidated EBITDA covenant threshold											$ 7,500,000.0
Maximum annual maintenance capital expenditures covenant threshold		$ 8,500,000.0
Scenario, Forecast | 2016 Credit Agreement | Revolver
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity												$ 27,000,000
Subsequent Event
Debt Instrument [Line Items]
Number of properties classified as discontinued operations or property held for sale | property				14
Asset sales plan implementation period				18 months
Subsequent Event | 2016 Credit Agreement
Debt Instrument [Line Items]
Remaining borrowing capacity				$ 15,500,000
Letters of credit				1,300,000
Subsequent Event | 2016 Credit Agreement | Term Loan
Debt Instrument [Line Items]
Total credit facility debt				$ 25,200,000