Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details)

v3.20.1
Related Party Transactions (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Feb. 28, 2019
Dec. 31, 2019
Dec. 31, 2018
Feb. 07, 2018
Jul. 27, 2016
Wireless Maritime Services          
Related Party Transaction [Line Items]          
Payable to related party $ 7.4 $ 7.4      
Related party transaction, rate 6.50%        
Dividends receivable   $ 14.2      
Wireless Maritime Services          
Related Party Transaction [Line Items]          
Equity method investment, ownership percentage   49.00%     49.00%
Revenue from related parties   $ 0.5 $ 0.8    
Accounts receivable of related parties   $ 0.1 0.2    
Santander          
Related Party Transaction [Line Items]          
Equity method investment, ownership percentage   49.00%     49.00%
Purchases from related party   $ 4.6 5.3    
Accounts payable, related parties   $ 1.3 $ 1.3    
Putnam Investments and PAR | Putnam Investments          
Related Party Transaction [Line Items]          
Beneficial owner percentage (no more than)       5.00%