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EARNINGS PER SHARE (Computation of Basic and Diluted Earnings Per Share) (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 USD ($) $ / shares shares | Jun. 30, 2016 USD ($) $ / shares shares | [1] | Jun. 30, 2017 USD ($) $ / shares shares | Jun. 30, 2016 USD ($) $ / shares shares
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |  |  |  |  |  |  |
Net income | $ |  | $ 10,234 |  | $ 9,616 |  | $ 20,310 | $ 18,262
Dividends and undistributed earnings allocated to participating securities | $ | [2] | (43) |  | (49) |  | (88) | (81)
Net income available to common shareholders | $ |  | $ 10,191 |  | $ 9,567 |  | $ 20,222 | $ 18,181
Weighted-average common shares outstanding for basic EPS |  | 15,512,761 |  | 15,415,308 |  | 15,500,862 | 15,402,629
Dilutive effect of stock-based awards (shares) | [3] | 73,810 |  | 75,702 |  | 75,849 | 70,169
Weighted-average common and potential common shares for diluted EPS (shares) |  | 15,586,571 |  | 15,491,010 |  | 15,576,711 | 15,472,798
Basic EPS (in dollars per share) | $ / shares |  | $ 0.66 | [2] | $ 0.62 | [2] | $ 1.31 | $ 1.18
Diluted EPS (in dollars per share) | $ / shares |  | $ 0.66 | [2] | $ 0.62 | [2] | $ 1.30 | $ 1.18
Stock split conversion ratio |  |  |  |  |  | 1.5 |
Employee Stock Option |  |  |  |  |  |  |
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |  |  |  |  |  |  |
Stock options (shares) | [4] | 585 |  | 18,375 |  | 585 | 18,375
[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.
[3] | Represents the effect of the assumed exercise of stock options, vesting of restricted shares and vesting of restricted stock units utilizing the treasury stock method. Not included are the unvested LTIP awards as they have not met the performance criteria for the periods presented.
[4] | Represents stock-based awards not included in the computation of potential common shares for purposes of calculating diluted EPS as the exercise prices were greater than the average market price of the Company's common stock and are considered anti-dilutive.

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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=65016374&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1252-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1252-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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