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Consolidated Statement of Changes in Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended						9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Consolidated Statement of Changes in Shareholders' Equity [Abstract]
Common stock dividend declared per share (in dollars per share)	$ 0.13	$ 0.09	$ 0.09	$ 0.09	$ 0.09	$ 0.09	$ 0.31	$ 0.27

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- 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=27012166&loc=d3e187085-122770

+ Details

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Period Type:	duration

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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