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Reconciliation of Net Income Per Share | 12 Months Ended
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Dec. 31, 2012
Reconciliation of Net Income Per Share [Abstract] |
Reconciliation of Net Income Per Share |
14) | Reconciliation of Net Income Per Share
|  | Year ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Net income |  | $ | 24,268 |  |  | $ | 20,937 |  |  | $ | 6,416 |
Weighted average shares outstanding |  |  | 17,009 |  |  |  | 16,817 |  |  |  | 16,455 |
Effective of dilutive stock options |  |  | 105 |  |  |  | 136 |  |  |  | 115 |
Diluted shares outstanding |  |  | 17,114 |  |  |  | 16,953 |  |  |  | 16,570 |
Basic net income per share |  | $ | 1.43 |  |  | $ | 1.24 |  |  | $ | 0.39 |
Diluted net income per share |  | $ | 1.42 |  |  | $ | 1.24 |  |  | $ | 0.39 |
Excluded from the dilutive shares outstanding for the years ended December 31, 2012, 2011, and 2010 were 1,187, 792, and 962 of anti-dilutive options, respectively, which had per share exercise prices ranging from of $8.54 to $14.13 for the year ended December 31, 2012, $11.50 to $14.13 for the year ended December 31, 2011 and $8.09 to $12.62 for the year ended December 31, 2010.

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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 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 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=16381557&loc=d3e4984-109258 Reference 3: 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 4: 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=7655603&loc=d3e1278-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: 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=6880815&loc=d3e20235-122688 + Details
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