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RECENT ACCOUNTING PRONOUNCEMENTS (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 USD ($) $ / shares | Jun. 30, 2016 USD ($) $ / shares | [1] | Jun. 30, 2017 USD ($) $ / shares | Jun. 30, 2016 USD ($) $ / shares
Accounting Changes and Error Corrections [Abstract] |  |  |  |  |  |
Net income | $ | $ 10,234 |  | $ 9,616 |  | $ 20,310 | $ 18,262
Basic earnings per share (in dollars per share) | $ 0.66 | [2] | $ 0.62 | [2] | $ 1.31 | $ 1.18
Diluted earnings per share (in dollars per share) | $ 0.66 | [2] | $ 0.62 | [2] | $ 1.30 | $ 1.18
Stock split conversion ratio |  |  |  |  | 1.5 |
[1] | Share and per share amounts for the three and six months ended June 30, 2016 have been adjusted to reflect the three-for-two stock split effective September 30, 2016.
[2] | Represents dividends paid and undistributed earnings allocated to nonvested stock-based awards that contain non-forfeitable rights to dividends.

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