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COMMON STOCK REPURCHASES AND CASH DIVIDENDS Common Stock Repurchases (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jul. 25, 2017
Class of Stock [Line Items] |  |  |
Payments for Repurchase of Common Stock | $ 0 | $ 6,435 |
Stock Repurchase Program, Remaining Authorized Repurchase Amount | $ 23,600 |  |
Subsequent Event [Member] | Common Stock [Member] |  |  |
Class of Stock [Line Items] |  |  |
Stock Repurchase Program, Authorized Amount |  |  | $ 30,000

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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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