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Schedule of Dividends Declared (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Class of Stock
Dividends declared per share (in usd per share)	$ 0.06	$ 0.06		$ 0.06	$ 0.06
Aggregate amount of dividends	$ 2,576	$ 2,591	$ 2,595	$ 2,581	$ 2,578	$ 2,571	$ 7,762	$ 7,730
Common Stock, Dividends, Per Share, Cash Paid	$ 2,589

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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-Topic 505
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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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