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

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

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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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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-Publisher FASB
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Equity - Class of Stock Disclosures - Dividends and AOCI (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended																																							3 Months Ended									12 Months Ended
	Mar. 31, 2021	Feb. 28, 2021	Jan. 31, 2021	Dec. 31, 2020	Nov. 30, 2020	Oct. 31, 2020	Sep. 30, 2020	Aug. 31, 2020	Jul. 31, 2020	Jun. 30, 2020	May 31, 2020	Apr. 30, 2020	Mar. 31, 2020	Feb. 29, 2020	Jan. 31, 2020	Dec. 31, 2019	Nov. 30, 2019	Oct. 31, 2019	Sep. 30, 2019	Aug. 31, 2019	Jul. 31, 2019	Jun. 30, 2019	May 31, 2019	Apr. 30, 2019	Mar. 31, 2019	Feb. 28, 2019	Jan. 31, 2019	Dec. 31, 2018	Nov. 30, 2018	Oct. 31, 2018	Sep. 30, 2018	Aug. 31, 2018	Jul. 31, 2018	Jun. 30, 2018	May 31, 2018	Apr. 30, 2018	Mar. 31, 2018	Feb. 28, 2018	Jan. 31, 2018	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Dividend Distributions
Paid																																																	$ 90,262	$ 90,899	$ 90,372
Dividends declared and paid per common share																																									$ 0.57	$ 0.57	$ 0.57	$ 0.57	$ 0.57	$ 0.57	$ 0.57	$ 0.57
Common Stock cash distributions																																									$ 0.57	$ 0.57	$ 0.57	$ 0.57	$ 0.57	$ 0.57	$ 0.57	$ 0.57	$ 2.280	$ 2.280	$ 2.280
Subsequent Event \| Dividend Payable, January 31, 2021
Dividend Distributions
Dividends declared and paid per common share																																								$ 0.19
Subsequent Event \| Dividend Payable, February 28, 2021
Dividend Distributions
Dividends declared and paid per common share		$ 0.19
Subsequent Event \| Dividend Payable, March 31,2021
Dividend Distributions
Dividends declared and paid per common share	$ 0.19
Common Stock
Dividend Distributions
Declared				$ 90,262												$ 90,899												$ 90,372													$ 90,262				$ 90,899				$ 90,262	$ 90,899	$ 90,372
Paid																																																	90,262	$ 90,899	$ 90,372
Dividends declared and paid per common share				$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.19
Common Stock \| Subsequent Event \| Dividend Payable, January 31, 2021
Dividend Distributions
Dividends declared and paid per common share			$ 0.19
Performance-based stock units \| Common Stock
Dividend Distributions
Declared				$ 586																																					$ 586								586
Paid																																																	$ 300