Share Repurchases (Details) - USD ($)	12 Months Ended			30 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2018	Jul. 31, 2016
Equity [Abstract]
Maximum stock repurchase program amount					$ 200,000,000
Stock repurchased during period (in Shares)	0	0	1,800,000	1,800,000
Average price per share of stock repurchased (in Dollars per share)			$ 24.89	$ 24.89
Remaining repurchase authorization	$ 155,000,000			$ 155,000,000