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Related Parties - Narrative (Details)
4 Months Ended
Dec. 11, 2017
USD ($)
Mar. 12, 2014
usd_per_square_foot
option
Dec. 16, 2020
USD ($)
usd_per_square_foot
entity
Dec. 18, 2019
USD ($)
Jul. 31, 2008
option
Related Party Transaction [Line Items]          
Related party, ownership of common stock (greater than)     0.05    
President and Chief Executive Officer          
Related Party Transaction [Line Items]          
Employment renewal, term 1 year        
Fixed annual base salary $ 1        
New Lease Agreement          
Related Party Transaction [Line Items]          
Percent of space rented     7.00%    
Lease Agreement Executed in 2006          
Related Party Transaction [Line Items]          
Lessee leasing arrangements, term of contract         12 years
Number of options to extend lease years | option         2
Lessee leasing arrangements, renewal term         5 years
Lease annual rent payments, per square foot (in dollars per square foot) | usd_per_square_foot     22.00    
Pappas Entities          
Related Party Transaction [Line Items]          
Number of related party entities | entity     2    
Affiliated costs incurred as a percentage of relative total Company costs     0.72% 0.50%  
Rent expense     $ 105,000 $ 154,000  
Pappas Entities | Amended And Restated Master Sales Agreement          
Related Party Transaction [Line Items]          
Related party transaction, amount of transaction     $ 0 $ 0  
Pappas Entities | New Lease Agreement | Limited partnership interest          
Related Party Transaction [Line Items]          
Ownership interest     50.00%    
Pappas Entities | New Lease Agreement | General partnership interest          
Related Party Transaction [Line Items]          
Ownership interest     50.00%    
Houston | Pappas Entities | New Lease Agreement          
Related Party Transaction [Line Items]          
Lessee leasing arrangements, term of contract   6 years      
Number of options to extend lease years | option   2      
Lessee leasing arrangements, renewal term   5 years      
Lease annual rent payments, per square foot (in dollars per square foot) | usd_per_square_foot   28.53