Common Stock, Dividends, Per Share, Declared, Next Fiscal Year, Period Four

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- Definition

Common Stock, Dividends, Per Share, Declared, Next Fiscal Year, Period One

+ References

No definition available.

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- Definition

Common Stock, Dividends, Per Share, Declared, Next Fiscal Year, Period Three

+ References

No definition available.

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- Definition

Common Stock, Dividends, Per Share, Declared, Next Fiscal Year, Period Two

+ References

No definition available.

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- Definition

[Line Items] for Dividends Declared and Paid [Table]

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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

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- Definition

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585

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COMMON STOCK REPURCHASES AND CASH DIVIDENDS Cash Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended												12 Months Ended
	Jan. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Dividends Declared and Paid [Line Items]
Common Stock, Dividends, Per Share, Declared		$ 0.14	$ 0.14	$ 0.14	$ 0.14	$ 0.13	$ 0.13	$ 0.13	$ 0.13	$ 0.12	$ 0.12	$ 0.12	$ 0.12
Payments of Dividends														$ 16,634	$ 15,054	$ 13,916
Subsequent Event [Member]
Dividends Declared and Paid [Line Items]
Common Stock Dividends Declared, Per Share, Payable 1st Quarter 2018	$ 0.16
Common Stock Dividends Declared, Per Share, Payable 2nd Quarter 2018	0.16
Common Stock Dividends Declared, Per Share, Payable 3rd Quarter 2018	0.16
Common Stock Dividends Declared, Per Share, Payable 4th Quarter 2018	$ 0.16