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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2016
Earnings Per Share [Abstract] |
Schedule of Weighted-Average Number of Shares | ﻿ 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,
﻿ |  | 2016 |  | 2015 |  | 2016 |  | 2015
﻿Basic weighted-average Common Shares outstanding |  | 27,790,639 |  | 27,307,864 |  | 27,733,288 |  | 27,226,868
﻿Effect of dilutive shares |  | 471,515 |  | 637,060 |  | 474,466 |  | 635,703
﻿Diluted weighted-average Common Shares outstanding |  | 28,262,154 |  | 27,944,924 |  | 28,207,754 |  | 27,862,571
﻿

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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 + Details
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