XML 17 R39.htm IDEA: XBRL DOCUMENT v3.20.1
Income Taxes - Narrative (Details)
3 Months Ended
Mar. 31, 2020
Minimum  
Income Taxes  
Number of tax years open for state tax audit (in years) 3 years
Maximum  
Income Taxes  
Number of tax years open for state tax audit (in years) 5 years