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Share-Based Compensation (Narrative) (Details) $ in Thousands | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 30, 2014 employee | Mar. 30, 2011 | Dec. 31, 2015 USD ($) shares | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Dec. 31, 2012 | Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Incremental compensation expense from plan modification |  |  | $ 741 | $ 149 | $ 0 |  |
ADBV Long-Term Incentive Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Expiration period | 3 years |  |  |  |  |  |
Number of employees affected by plan modification | employee | 84 |  |  |  |  |  |
Units exercisable (in shares) | shares |  |  | 664,775 |  |  |  |
Share-based compensation expense |  |  | $ (449) | (3,772) | 1,875 |  |
Share-based compensation related income tax benefits |  |  | 99 | 905 | 334 |  |
2011 Equity Incentive Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation expense |  |  | 2,788 | 6,163 | 5,782 |  |
Share-based compensation related income tax benefits |  |  | 1,581 | (678) | (88) |  |
Percentage of total outstanding shares of the entity immediately follow the IPO that is authorized under equity incentive plan |  | 2.50% |  |  |  |  |
IPO [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation expense |  |  | 210 | $ 2,503 | $ 1,964 |  |
Award vesting percentage |  |  |  | 33.33% | 33.33% | 33.33% |
Stock Option [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Stock-based compensation related to expired stock options in Additional paid-in capital |  |  | 2,077 |  |  |  |
Stock Option [Member] | 2011 Equity Incentive Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Value of stock options and restricted stock granted during period |  |  | $ 0 | $ 491 | $ 1,807 |  |
Weighted-average period of stock options recognized |  |  | 2 years 4 months 24 days |  |  |  |
Restricted Share Units [Member] | 2011 Equity Incentive Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Value of stock options and restricted stock granted during period |  |  | $ 5,844 | 2,723 | $ 3,056 |  |
Weighted-average period of stock options recognized |  |  | 4 years |  |  |  |
General and Administrative Expense [Member] | ADBV Long-Term Incentive Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Incremental compensation expense from plan modification |  |  | $ 511 | $ 149 |  |  |
Accrued Payroll and Other Liabilities [Member] | ADBV Long-Term Incentive Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Unrecognized compensation costs |  |  | $ 248 |  |  |  |
Second Anniversary Of Grant Date [Member] | 2011 Equity Incentive Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting percentage |  |  | 40.00% | 40.00% | 40.00% | 40.00% | 40.00%
Three Years Following The Grant Date [Member] | 2011 Equity Incentive Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting percentage |  |  | 20.00% | 20.00% | 20.00% | 20.00% | 20.00%
Requisite service period |  |  | 3 years |  |  |  |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. + 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)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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