Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity (Details)

v3.19.2
Shareholders' Equity (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Equity [Abstract]        
Stock Repurchased During Period, Value $ 81,352 $ 22,007 $ 100,426 $ 40,106