Aggregate dividends paid during the period for each share of common stock outstanding.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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Subsequent Events: (Details) - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
	Mar. 26, 2021	Feb. 24, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Subsequent events
Dividends paid			$ 129,412	$ 112,647	$ 97,887
Gains (Losses) on Extinguishment of Debt			$ (638)
Subsequent Event
Subsequent events
Quarterly dividend payment approved (per share)		$ 0.755
Dividends paid	$ 34,600