Earnings per Common Share Earnings Per Common Share - Narrative (Details) - shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted-average number of unvested restricted stock units that participated in the distribution of common dividends (in shares)	1,660,000	2,662,000	0
Restricted Stock Units
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted-average number of unvested restricted stock units that participated in the distribution of common dividends (in shares)	1,405,421
Weighted-average number of unvested restricted stock units that participated in the distribution of common dividends, unsettled (in shares)	629,929