Shareholders' Equity and Earnings Per Common Share Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	1 Months Ended	12 Months Ended
	Apr. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Apr. 15, 2019
Earnings Per Share [Abstract]
Common Stock, Shares, Issued		134,148	120,937		11,500
Excess Stock, Shares Issued					1,500
Shares Issued, Price Per Share					$ 42.00
Proceeds from the issuance of common stock, net of issuance costs	$ 472,800	$ 472,780	$ 0	$ 0