Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands						2 Months Ended
	Aug. 02, 2019	Apr. 30, 2019	Feb. 08, 2019	Oct. 30, 2018	Aug. 03, 2018	Feb. 29, 2020	Feb. 28, 2019
Dividends [Abstract]
Dividend per Common Share	$ 0.30	$ 0.30	$ 0.30	$ 0.30	$ 0.28	$ 0.32	$ 0.30
Aggregate Dividend Amount	$ 22,390	$ 22,536	$ 22,518	$ 22,867	$ 21,870	$ 24,025	$ 22,511