Dividends and Distributions (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended				2 Months Ended					3 Months Ended		6 Months Ended		7 Months Ended
	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Jan. 31, 2018	Jul. 31, 2019	Apr. 30, 2019	Jan. 31, 2019	Jul. 31, 2018	Apr. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jul. 31, 2019	Jul. 31, 2018
Dividends Payable [Line Items]
Dividend Per Share (in USD per share)										$ 0.2126	$ 0.1891	$ 0.416	$ 0.362
Participating Dividend
Dividends Payable [Line Items]
Dividend Per Share (in USD per share)				$ 0.0186		$ 0.2	$ 0.1875	$ 0.1875	$ 0.1396
Common Shares
Distributions Declared	$ 30,200	$ 28,200	$ 20,100	$ 1,291		$ 30,235	$ 0	$ 27,250	$ 20,145				$ 48,686
Distributions Paid				1,291		30,235	28,218	0	20,145				$ 21,377
Participating Dividend | Dividend equivalents accrued on unvested restricted stock units to be paid when the awards vest.
Common Shares
Distributions Paid	142	127	79
Participating Dividend | Dividend equivalents paid on unvested restricted stock units that are not expected to vest (recognized as additional compensation).
Common Shares
Distributions Paid						15	7		20
Series B Preferred Stock | Participating Dividend
Series B Preferred Shares
Distributions Declared				619		0	0	0	0
Distributions Paid				619		0	0	$ 0
Series B Preferred Stock | Participating Dividend | Dividend equivalents accrued on unvested restricted stock units to be paid when the awards vest.
Series B Preferred Shares
Distributions Declared
Distributions Paid	$ 0	$ 0	$ 0
Series B Preferred Stock | Participating Dividend | Dividend equivalents paid on unvested restricted stock units that are not expected to vest (recognized as additional compensation).
Series B Preferred Shares
Distributions Declared
Distributions Paid						$ 0	$ 0		$ 0
Series B Preferred Stock | Fixed Dividend
Series B Preferred Shares
Distributions Declared				1,198											$ 1,817
Distributions Paid				$ 1,198											$ 1,817
Subsequent Event | Participating Dividend
Common Shares
Distributions Declared					$ 38,764									$ 68,999
Distributions Paid					$ 0									58,206
Series B Preferred Shares
Dividends Per Share, Declared					$ 0.2
Subsequent Event | Series B Preferred Stock | Participating Dividend
Series B Preferred Shares
Distributions Declared					$ 0									0
Distributions Paid					$ 0									$ 0