Summary of Stock Award Activity and Related Information (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
12 Months Ended | |||||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Outstanding Options, Shares Available for Grant [Roll Forward] | ||||||
Shares Available for Grant, Balances (in shares) | 397,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant | 1,158,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant | ||||
Stock Options [Member] | ||||||
Outstanding Options, Shares Available for Grant [Roll Forward] | ||||||
Shares Available for Grant, Options granted (in shares) | (797,500)nxst_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantGranted / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Shares Available for Grant, Forfeited/cancelled (in shares) | 57,500nxst_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantForfeitedCancelled / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Outstanding Options, Shares [Roll Forward] | ||||||
Outstanding Options at beginning of the period (in shares) | 2,575,800us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Stock options granted (in shares) | 797,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
1,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Options Exercised (in shares) | (573,525)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Options Forfeited/cancelled (in shares) | (57,500)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Outstanding Options at end of the period (in shares) | 2,742,275us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
2,575,800us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Outstanding Options Exercisable as of December 31, 2014 (in shares) | 1,455,275us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Outstanding Options Fully vested and expected to vest as of December 31, 2014 (in shares) | 2,713,295us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Outstanding Options, Weighted Average Exercise Price [Roll Forward] | ||||||
Outstanding Options Weighted-Average Exercise Price, beginning of period (in dollars per share) | $ 6.24us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Options granted Weighted-Average Exercise Price (in dollars per share) | $ 45.92us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Option Exercised Weighted-Average Exercise Price (in dollars per share) | $ 3.54us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Options Forfeited/cancelled Weighted-Average Exercise Price (in dollars per share) | $ 41.21us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Outstanding Options Weighted-Average Exercise Price, end of period (in dollars per share) | $ 17.61us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
$ 6.24us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Outstanding Options Exercisable, Weighted-Average Exercise Price (in dollars per share) | $ 6.20us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Outstanding Options Fully vested and expected to vest Weighted-Average Exercise Price (in dollars per share) | $ 17.39us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Outstanding Options Weighted-Average Remaining Contractual Term | 6 years 5 months 9 days | |||||
Outstanding Options Exercisable, Weighted-Average Remaining Contractual Term | 4 years 8 months 5 days | |||||
Outstanding Options Fully vested and expected to vest Weighted-Average Remaining Contractual Term | 6 years 4 months 28 days | |||||
Outstanding Options Aggregate Intrinsic Value | $ 93,728us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
[1] | ||||
Outstanding Options Exercisable, Aggregate Intrinsic Value | 66,351us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
[1] | ||||
Outstanding Options Fully vested and expected to vest Aggregate Intrinsic Value | $ 93,339us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
[1] | ||||
Non-vested Options, Shares [Roll Forward] | ||||||
Non-vested Shares, beginning of the period (in shares) | 934,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Non-vested Shares, Options granted (in shares) | 797,500nxst_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Non-vested Shares, Vested (in shares) | (392,000)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Non-vested Shares, Forfeited/cancelled (in shares) | (52,500)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Non-vested Shares, end of the period (in shares) | 1,287,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
934,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Non-vested Shares, Weighted-Average Grant-Date Fair Value [Roll Forward] | ||||||
Non-vested shares, Weighted Average Grant-Date Fair Value, beginning of the period (in dollars per share) | $ 6.33nxst_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Non-vested shares Vested, Weighted Average Grant-Date Fair Value (in dollars per share) | $ 5.27nxst_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonVestedOptionsVestedInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Non-vested shares Forfeited/cancelled, Weighted Average Grant-Date Fair Value (in dollars per share) | $ 30.94us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Non-vested shares, Weighted Average Grant-Date Fair Value, end of the period (in dollars per share) | $ 21.48us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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Restricted stock units [Member] | ||||||
Outstanding Options, Shares Available for Grant [Roll Forward] | ||||||
Shares Available for Grant, Restricted stock units awarded (in shares) | (20,500)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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X | ||||||||||
- Definition
The number of grants made during the period on nonvested options. No definition available.
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X | ||||||||||
- Definition
The weighted average fair value as of grant date pertaining to nonvested options for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. No definition available.
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X | ||||||||||
- Definition
The weighted average fair value of nonvested option awards on equity-based plans for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. No definition available.
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X | ||||||||||
- Definition
Number of share available for grant after the options forfeited/cancelled during the period. No definition available.
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X | ||||||||||
- Definition
Gross number of share options (or share units) granted during the period. No definition available.
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X | ||||||||||
- Details
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X | ||||||||||
- Definition
The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Weighted average price of options that were either forfeited or expired. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Gross number of share options (or share units) granted during the period. No definition available.
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X | ||||||||||
- Definition
Number of non-vested options outstanding. No definition available.
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X | ||||||||||
- Details
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X | ||||||||||
- Definition
Weighted average grant-date fair value of non-vested options forfeited. No definition available.
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X | ||||||||||
- Definition
Weighted average grant-date fair value of non-vested options outstanding. No definition available.
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X | ||||||||||
- Details
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X | ||||||||||
- Definition
Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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X | ||||||||||
- Definition
Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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X | ||||||||||
- Definition
Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Number of options vested. No definition available.
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X | ||||||||||
- Definition
Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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X | ||||||||||
- Definition
Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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X | ||||||||||
- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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X | ||||||||||
- Details
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