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Equity - Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands										12 Months Ended
	Dec. 11, 2020	Aug. 26, 2020	May 28, 2020	Mar. 26, 2020	Dec. 11, 2019	Aug. 28, 2019	May 24, 2019	Mar. 21, 2019	Dec. 06, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Equity [Abstract]
Dividend per share (in dollars per share)	$ 0.06	$ 0.05	$ 0.05	$ 0.05	$ 0.05	$ 0.04	$ 0.04	$ 0.04	$ 0.04	$ 0.21	$ 0.17	$ 0.04
Dividends declared	$ 8,933	$ 7,244	$ 7,182	$ 7,184	$ 7,371	$ 5,564	$ 6,233	$ 5,896	$ 5,838

X

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

+ Details

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X

- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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X

- References

No definition available.

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