XML 36 R29.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Equity (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2015
Equity [Abstract] |
Schedule of Nonvested Restricted Stock Units Activity | The following table summarizes the restricted share activity for the three months ended March 31, 2015 and status of all unvested restricted share awards to our non-employee board members and employees at March 31, 2015:
Non-vested Shares | Shares |  | Weighted-Average Grant-Date Fair Value
Balance at January 1, 2015 | 543,707 |  |  | $ | 26.43 |
Granted | 125,475 |  |  | 31.22 |
Vested | (25,664 | ) |  | 21.43 |
Canceled | (6,346 | ) |  | 22.33 |
Balance at March 31, 2015 | 637,172 |  |  | $ | 27.62 |
Three Months Ended March 31, |  | Non-Vested Shares Issued |  | Weighted Average Grant - Date Fair Value |  | Vested Shares |  | Total Vest-Date Fair Value (in thousands)
2015 |  | 125,475 |  |  | $ | 31.22 |  |  | (25,664 | ) |  | $ | 793 |
2014 |  | 13,581 |  |  | 22.09 |  |  | (3,306 | ) |  | 73 |

X
- Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration