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Subsequent Events (Details) - $ / shares		12 Months Ended
	Feb. 13, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Subsequent Events
Quarterly cash dividends on common stock		$ 0.54	$ 0.43	$ 0.325
Subsequent Event | Series A Preferred Stock
Subsequent Events
Dividend declared per share of Series A preferred stock	$ 0.384375
Subsequent Event | Dividend Declared
Subsequent Events
Quarterly cash dividends on common stock	$ 0.15

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=27012166&loc=d3e187085-122770

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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