XML 36 R45.htm IDEA: XBRL DOCUMENT v3.20.1
Long-Term Debt (Narrative) (Details)
$ in Thousands
12 Months Ended
Nov. 20, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Debt Instrument [Line Items]      
Credit facility amount outstanding   $ 0 $ 0
Office [Member]      
Debt Instrument [Line Items]      
Term of contract   39 months  
Lease renewal term   36 months  
Lease expiration date   Aug. 31, 2020  
Prosperity Bank [Member]      
Debt Instrument [Line Items]      
Rate above prime 0.50%    
Interest rate 5.25% 5.25%  
Credit facility maximum borrowing capacity $ 50,000 $ 1,970  
Credit facility current borrowing capacity $ 1,970 4,000  
Prosperity Bank [Member] | Loans And Letters Of Credit [Member]      
Debt Instrument [Line Items]      
Credit facility maximum borrowing capacity   $ 50,000  
Maximum [Member]      
Debt Instrument [Line Items]      
Borrowing rate   6.50% 6.50%
Maximum [Member] | Vehicles [Member]      
Debt Instrument [Line Items]      
Term of contract   36 months  
Maximum [Member] | Prosperity Bank [Member]      
Debt Instrument [Line Items]      
Funded debt to EBITDA   3.5  
Minimum [Member]      
Debt Instrument [Line Items]      
Borrowing rate   5.00% 5.00%
Minimum [Member] | Vehicles [Member]      
Debt Instrument [Line Items]      
Term of contract   18 months  
Minimum [Member] | Prosperity Bank [Member]      
Debt Instrument [Line Items]      
Current ratio   1  
Interest coverage   3.0