v2.4.0.6

Share-Based Payments (Tables) | 12 Months Ended
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Dec. 31, 2011
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Nonvested Share Activity | A summary of changes in the Company’s nonvested shares and related information for the years ended December 31, 2011, 2010 and 2009 is presented below:
Nonvested Shares |  | Shares |  | Weighted Average Grant-Date Fair Value
Nonvested at January 1, 2009 |  | 191,320 |  |  | $ | 29.41 |
Granted |  | 122,097 |  |  | $ | 9.92 |
Vested |  | (15,763 | ) |  | $ | 27.67 |
Forfeited |  | (19,150 | ) |  | $ | 24.03 |
Nonvested at December 31, 2009 |  | 278,504 |  |  | $ | 21.34 |
Granted |  | 108,075 |  |  | $ | 20.68 |
Vested |  | (25,521 | ) |  | $ | 21.38 |
Forfeited |  | (7,775 | ) |  | $ | 20.77 |
Nonvested at December 31, 2010 |  | 353,283 |  |  | $ | 21.14 |
Granted |  | 133,350 |  |  | $ | 19.45 |
Vested |  | (109,033 | ) |  | $ | 25.72 |
Forfeited |  | (14,925 | ) |  | $ | 18.86 |
Nonvested at December 31, 2011 |  | 362,675 |  |  | $ | 19.24 |
Schedule of Share-based Compensation, Stock Options, Activity | A summary of option activity under the Plan as of December 31, 2011, and changes during the year then ended is presented below:
Options |  | Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term |  | Aggregate Intrinsic Value ($000)
Balance at December 31, 2010 |  | 93,964 |  |  | $ | 21.26 |  |  |  |  |
Granted |  | — |  |  | $ | — |  |  |  |  |
Forfeited |  | (9,576 | ) |  | $ | 23.96 |  |  |  |  |
Expired |  | (7,350 | ) |  | $ | 17.25 |  |  |  |  |
Exercised |  | (12,126 | ) |  | $ | 13.50 |  |  |  |  |
Balance at December 31, 2011 |  | 64,912 |  |  | $ | 22.76 |  |  | 1.4 |  |  | $ | 52 |
Total Exercisable at December 31, 2011 |  | 64,912 |  |  | $ | 22.76 |  |  | 1.4 |  |  | $ | 52 |
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range | As of December 31, 2011, outstanding stock options consist of the following:
Ranges of Exercise Prices |  | Number of Option Shares |  | Weighted Average Remaining Contractual Life |  | Weighted Average Exercise Price of Option Shares |  | Number of Exercisable Option Shares |  | Weighted Average Exercise Price of Exercisable Option Shares
9.26 - 12.34 |  | 516 |  |  | 0.3 |  |  | $ | 12.21 |  |  | 516 |  |  | $ | 12.21 |
12.35 - 15.43 |  | 6,395 |  |  | 1.8 |  |  | $ | 14.04 |  |  | 6,395 |  |  | $ | 14.04 |
15.44 - 18.51 |  | 5,184 |  |  | 1.5 |  |  | $ | 17.36 |  |  | 5,184 |  |  | $ | 17.36 |
18.52 - 21.60 |  | 7,266 |  |  | 2.3 |  |  | $ | 18.61 |  |  | 7,266 |  |  | $ | 18.61 |
21.61 - 24.68 |  | 12,000 |  |  | 0.8 |  |  | $ | 22.61 |  |  | 12,000 |  |  | $ | 22.61 |
24.69 - 27.77 |  | 29,500 |  |  | 0.8 |  |  | $ | 25.75 |  |  | 29,500 |  |  | $ | 25.75 |
27.78 - 30.86 |  | 4,051 |  |  | 5.1 |  |  | $ | 30.86 |  |  | 4,051 |  |  | $ | 30.86 |
|  | 64,912 |  |  | 1.4 |  |  | $ | 22.76 |  |  | 64,912 |  |  | $ | 22.76 |

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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph f -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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