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SUBSEQUENT EVENTS (Details) (USD $) | 12 Months Ended | 0 Months Ended
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Restricted stock grants | Dec. 31, 2012 Restricted stock grants | Dec. 31, 2011 Restricted stock grants | Jan. 15, 2014 Subsequent event Restricted stock grants | Mar. 13, 2014 Subsequent event Forecast
Subsequent event |  |  |  |  |  |  |  |
Restricted share grants |  |  |  | 112,650 | 109,450 | 74,040 | 118,850 |
Aggregate value of restricted shares granted |  |  |  |  |  |  | $ 2,478,000 |
Quarterly cash dividend declared (in dollars per share) | $ 1.42 | $ 1.34 | $ 1.32 |  |  |  |  | $ 0.37
Quarterly cash dividend declared | $ 21,999,000 | $ 19,924,000 | $ 19,088,000 |  |  |  |  | $ 5,872,000

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: 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 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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