XML 124 R111.htm IDEA: XBRL DOCUMENT v3.21.2
Long-Term Debt - Credit Facility Net (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Details for the Credit Facility    
Total $ 682,160 $ 680,385
Revolving Credit Facility | Line of Credit    
Details for the Credit Facility    
Principal balance 140,000 140,000
Less: Debt issue cost 1,836 2,387
Total $ 138,164 $ 137,613