NOTES PAYABLE AND SPECIAL ASSESSMENT OBLIGATIONS - Narrative (Details)		1 Months Ended			3 Months Ended		12 Months Ended
	Oct. 02, 2017	Dec. 31, 2019 USD ($)	Oct. 31, 2017 USD ($)	Apr. 30, 2014 USD ($) $ / shares	Mar. 30, 2020 USD ($)	Mar. 31, 2019 USD ($) renewal_option	Dec. 31, 2019 USD ($) renewal_option	Dec. 31, 2018 USD ($)	Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
Interest expense							$ 2,342,000	$ 3,122,000
Non-cash interest costs capitalized to operating property							1,000,000	0
Unamortized discount		$ 178,000					178,000
Debt		51,277,000					51,277,000
Special assessment bond		100,000					100,000	100,000
Special assessment bond carrying value		100,000					100,000
Exchange Offering Notes
Debt Instrument [Line Items]
Debt amount				$ 10,200,000.0
Stated interest rate				4.00%
Fair value disclosure				$ 6,400,000
Effective rate (percentage)				14.60%
MacArthur Loan
Debt Instrument [Line Items]
Interest expense								3,100,000
Non-cash interest costs capitalized to operating property							1,000,000	0
Proceeds from issuance of debt			$ 32,300,000				$ 14,700,000
Interest rate reduction, other conditions							0.25%
Debt term							3 years
Number of extensions available for loans acquired | renewal_option						2	2
Maturity term						1 year	1 year
Extension fee							0.35%
Deferred financing fees								$ 500,000
New Mexico Land Purchase Financing | Notes Payable to Banks
Debt Instrument [Line Items]
Debt amount									$ 5,900,000.0
Debt									$ 6,800,000
Principal payment		1,000,000
Special Assessment Bonds | Unsecured Debt
Debt Instrument [Line Items]
Debt amount		$ 2,300,000.0					$ 2,300,000.0
Special Assessment Bonds | Unsecured Debt | Maximum
Debt Instrument [Line Items]
Stated interest rate		7.50%					7.50%
Special Assessment Bonds | Unsecured Debt | Minimum
Debt Instrument [Line Items]
Stated interest rate		6.00%					6.00%
Subordinated Debt
Debt Instrument [Line Items]
Maturity term				5 years
Stated interest rate				4.00%
Debt offered in exchange for common stock shares exchange price per share | $ / shares				$ 8.02
JPMorgan Chase Funding Inc.
Debt Instrument [Line Items]
Mortgage loans in process of foreclosure		$ 13,200,000					$ 13,200,000
Master repurchase agreement							$ 11,000,000
JPMorgan Chase Funding Inc. | Subsequent Event
Debt Instrument [Line Items]
Master repurchase agreement, paid					$ 11,000,000
LIBOR
Debt Instrument [Line Items]
Annual interest rate								2.50%
LIBOR | MacArthur Loan
Debt Instrument [Line Items]
Variable rate							3.50%
Annual interest rate							1.76%
Prime Rate
Debt Instrument [Line Items]
Annual interest rate							4.80%	5.50%
Prime Rate | New Mexico Land Purchase Financing | Notes Payable to Banks
Debt Instrument [Line Items]
Variable rate							3.00%	2.00%
Interest Reserve | MacArthur Loan
Debt Instrument [Line Items]
Proceeds from issuance of debt							$ 1,200,000	$ 1,100,000
Hotel | MacArthur Loan
Debt Instrument [Line Items]
Debt amount			32,300,000.0			$ 37,000,000.0
Renovation Cost | MacArthur Loan
Debt Instrument [Line Items]
Proceeds from issuance of debt							13,500,000
MacArthur Place | Hotel | MacArthur Loan
Debt Instrument [Line Items]
Proceeds from issuance of debt			$ 19,400,000
Reserve accounts						2,000,000
Repayment guaranty	50.00%		50.00%
Required minimum net worth			$ 50,000,000
Required minimum liquidity			5,000,000			37,000,000
MacArthur Place | Hotel Improvements | MacArthur Loan
Debt Instrument [Line Items]
Proceeds from issuance of debt			10,000,000
MacArthur Place | Spa Renovation | MacArthur Loan
Debt Instrument [Line Items]
Reserve accounts		2,000,000.0					2,000,000.0
Continuing Operations
Debt Instrument [Line Items]
Debt		51,455,000					51,455,000	36,598,000
Deferred financing fees		178,000					178,000	284,000
Continuing Operations | MacArthur Loan | Secured Debt
Debt Instrument [Line Items]
Debt		35,500,000					35,500,000	20,700,000
Continuing Operations | Special Assessment Bonds
Debt Instrument [Line Items]
Special assessment bond		61,000					61,000	$ 90,000
Commitment to Fund Equity | Hotel | MacArthur Loan
Debt Instrument [Line Items]
Commitment to provide funds		$ 27,700,000	$ 17,400,000			$ 27,700,000	$ 27,700,000
Mortgage Receivable | Mezzanine Loan | JPMorgan Chase Funding Inc.
Debt Instrument [Line Items]
Pledged equity interest, collateral percent							100.00%