XML 116 R105.htm IDEA: XBRL DOCUMENT v3.20.2
Long-Term Debt - Debt Repurchase Program Narratives (Details) - USD ($)
Sep. 30, 2020
Jun. 16, 2020
Nov. 06, 2018
Equity, Class of Treasury Stock      
Remaining from debt repurchase authorization $ 50,000,000.0    
6.125% Senior Notes | Senior Notes      
Equity, Class of Treasury Stock      
Authorized debt repurchase program (up to)   $ 50,000,000.0  
Stated interest rate (in percentage) 6.125% 6.125% 6.125%