Quarterly report pursuant to Section 13 or 15(d)

Notes Payable and Credit Facility (Details)

v3.19.1
Notes Payable and Credit Facility (Details) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Aug. 07, 2018
Dec. 02, 2016
Nov. 16, 2018
Mar. 31, 2016
Sep. 25, 2015
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Apr. 15, 2019
Debt Instrument [Line Items]                  
Amortization of Financing Costs           $ 33,000 $ 32,000    
Debt Instrument, Description       Prepayment can only occur within four months prior to the maturity date, except that after the earlier of (a) two years after the loan is placed in a securitized mortgage pool, or (b) May 6, 2020, the Cantor Loan can be fully or partially defeased upon payment of amounts due under the Cantor Loan and payment of a defeasance amount that is sufficient to purchase U.S. government securities equal to the scheduled payments of principal, interest, fees, and any other amounts due related to a full or partial defeasance under the Cantor Loan. The Company secured the payment of the Cantor Loan with the assets, including property, facilities, and rents, held by the GMR Loan Subsidiaries and has agreed to guarantee certain customary recourse obligations, including findings of fraud, gross negligence, or breach of environmental covenants by the GMR Loan Subsidiaries. The GMR Loan Subsidiaries are required to maintain an aggregate monthly debt service coverage ratio of 1.35:1.00 for all of the collateral properties.          
Other Operating Activities, Cash Flow Statement           6,200,000 68,750,000    
Increase (Decrease) in Security Deposits           (30,000) 2,784,000    
Repayments of Lines of Credit           $ 62,800,000 4,500,000    
Debt, Weighted Average Interest Rate           4.72%   4.64%  
Debt Instrument, Term           4 years 1 month 20 days   4 years 2 months 26 days  
Long-term Debt, Gross           $ 39,453,000   $ 39,475,000  
Line Of Credit Cash Paid Other           29,000 753,000    
Additional Interest Expense           928,000      
Interest Expense, Total           4,025,000 2,684,000    
Subsequent Event [Member]                  
Debt Instrument [Line Items]                  
Long-term Debt, Gross                 $ 75,000,000
Debt Instrument, Face Amount                 75,000,000
Sun Trust Bank [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate     2.93%            
Citizens Bank of Pennsylvania [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate     2.93%            
Interest Rate Swap [Member]                  
Debt Instrument [Line Items]                  
Derivative, Maturity Date Aug. 08, 2023                
Derivative, Amount of Hedged Item $ 100,000,000   $ 70,000,000            
Debt Instrument, Basis Spread on Variable Rate 2.88%                
Derivative Instruments in Hedges, Liabilities, at Fair Value           5,520,000   3,487,000  
Interest Rate Swap [Member] | Sun Trust Bank [Member]                  
Debt Instrument [Line Items]                  
Derivative, Maturity Date     Aug. 07, 2024            
Derivative, Amount of Hedged Item     $ 40,000,000            
Interest Rate Swap [Member] | Citizens Bank of Pennsylvania [Member]                  
Debt Instrument [Line Items]                  
Derivative, Maturity Date     Aug. 07, 2024            
Derivative, Amount of Hedged Item     $ 30,000,000            
Revolving Credit Facility [Member]                  
Debt Instrument [Line Items]                  
Amortization of Financing Costs           269,000 398,000    
Line of Credit Facility, Covenant Compliance   The Operating Partnership is subject to ongoing compliance with a number of customary affirmative and negative covenants, including limitations with respect to liens, indebtedness, distributions, mergers, consolidations, investments, restricted payments and asset sales. The Operating Partnership must also maintain (i) a maximum consolidated leverage ratio as of the end of each fiscal quarter of less than (y) 0.65:1.00 for each fiscal quarter ending prior to October 1, 2019 and (z) thereafter, 0.60:1.00, (ii) a minimum fixed charge coverage ratio of 1.50:1.00, (iii) a minimum net worth of $203,795 plus 75% of all net proceeds raised through equity offerings subsequent to March 31, 2018, and (iv) a ratio of total secured recourse debt to total asset value of not greater than 0.10:1.00.              
Increase (Decrease) in Security Deposits           3,238,000 1,766,000    
Long-term Debt, Gross           56,600,000 64,250    
Derivative, Amount of Hedged Item     $ 70,000,000            
Debt Instrument, Basis Spread on Variable Rate     2.93%            
Revolving Credit Facility [Member] | Subsequent Event [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Face Amount                 425,000,000
Revolving Credit Facility [Member] | Interest Rate Swap [Member]                  
Debt Instrument [Line Items]                  
Derivative, Amount of Hedged Item $ 100,000,000         100,000,000      
Debt Instrument, Basis Spread on Variable Rate 2.88%                
Revolving Credit Facility [Member] | Minimum [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Face Amount           350,000,000      
Revolving Credit Facility [Member] | Maximum [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Face Amount           500,000,000      
Cantor Loan [Member]                  
Debt Instrument [Line Items]                  
Long-term Debt, Total       $ 32,097,000   32,097,000      
Debt Instrument, Interest Rate, Stated Percentage       5.22%          
Debt Instrument, Maturity Date       Apr. 06, 2026          
Interest Expense, Debt           419,000 419,000    
West Mifflin Note Payable [Member]                  
Debt Instrument [Line Items]                  
Long-term Debt, Total         $ 7,378,000 7,321,000   $ 7,356,000  
Debt Instrument, Interest Rate, Stated Percentage         3.72%        
Debt Instrument, Description         The West Mifflin facility serves as collateral for the note. The note requires a quarterly fixed charge coverage ratio of at least 1:1, a quarterly minimum debt yield of 0.09:1.00, and annualized Operator EBITDAR (as defined in the note) measured on a quarterly basis of not less than $6,000        
Interest Expense, Debt           66,000 $ 69,000    
Repayments of Notes Payable           35,000      
The Revolver [Member] | Revolving Credit Facility [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Face Amount           250,000,000      
The Term loan [Member] | Revolving Credit Facility [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Face Amount           $ 100,000,000      
The Term loan [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Face Amount                 $ 175,000,000