CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Preferred Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred Stock, shares authorized	50,000,000	50,000,000
Preferred Stock, shares issued	10,000,000	10,000,000
Preferred Stock, shares outstanding	10,000,000	10,000,000
Series A liquidation preference	$ 250,000	$ 250,000
Series A Preferred Stock
Preferred Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred Stock, shares authorized	50,000,000	50,000,000
Preferred Stock, shares issued	10,000,000	10,000,000
Preferred Stock, shares outstanding	10,000,000	10,000,000
Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock	6.15%	6.15%
Series A liquidation preference	$ 250,000	$ 250,000
Class A Common Stock
Common Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, authorized shares	500,000,000	500,000,000
Common Stock, issued shares	113,777,723	113,350,267
Common Stock, outstanding shares	113,777,723	113,350,267
Class B Non-Voting Common Stock
Common Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, authorized shares	10,000,000	10,000,000
Common Stock, issued shares	0	0
Common Stock, outstanding shares	0	0