XML 73 R73.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Related Party Transactions (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
National Rifle Association [Member]      
Related Party Transaction [Line Items]      
Amount of payments $ 0.8 $ 0.7 $ 0.8
Symbolic [Member]      
Related Party Transaction [Line Items]      
Amount of payments     1.4
Reimbursement of expenses     $ 0.9