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Earnings Per Share | 6 Months Ended
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Jun. 30, 2017
Earnings Per Share [Abstract] |
Earnings Per Share | (9) Earnings Per Share Basic earnings per share was computed by divi ding net income by the weighted-average number of Common Shares outstand ing for each respective period. Diluted earnings per share was calculated by dividing net income by the weighted-average of all potentially dilutive Common Shares that were outstanding during the periods presented. As the Company adopted ASU 2016-09 on January 1, 2017 utilizing the prospective transition method, the weighted-average dilutive Common Shares calculation excludes the excess tax benefit from the treasury stock method for the three and six months ended June 30, 2017, while the calculation includes the excess tax benefits using the treasury stock method for the three and six months ended June 30, 2016. ﻿ ﻿ Weighted-average Common Shares outstanding used in calculating basic and diluted earnings per share were as follows: ﻿
﻿ |  |  |  |  |  |  |  |
﻿ |  | Three months ended |  | Six months ended
﻿ |  | June 30, |  | June 30,
﻿ |  | 2017 |  | 2016 |  | 2017 |  | 2016
﻿Basic weighted-average Common Shares outstanding |  | 28,133,432 |  | 27,790,639 |  | 28,025,805 |  | 27,733,288
﻿Effect of dilutive shares |  | 384,010 |  | 471,515 |  | 504,874 |  | 474,466
﻿Diluted weighted-average Common Shares outstanding |  | 28,517,442 |  | 28,262,154 |  | 28,530,679 |  | 28,207,754
﻿ There were no performance-based rest ricted Common Shares outstanding at June 30, 2017 or 2016. There were 753,150 and 819,914 performance-based right to receive Common Shares outstanding at June 30, 2017 and 2016, respectively. These right to receive Common Shares are included in the computation of diluted earnings per share based on the number of Common Shares that would be issuable if the end of the quarter were the end of the contingency period.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1278-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: 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 4: 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 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 + Details
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