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Stock-Based Compensation (Stock Incentive Plan Narrative) (Details) (USD $)
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12 Months Ended | 18 Months Ended | 37 Months Ended | 12 Months Ended | 60 Months Ended | 1 Months Ended | 48 Months Ended | 1 Months Ended | 60 Months Ended | ||||||||
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Dec. 31, 2013
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Dec. 31, 2012
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Jun. 30, 2015
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Jan. 18, 2017
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Dec. 31, 2013
Stock Appreciation Rights (SARs) [Member]
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Dec. 31, 2012
Stock Appreciation Rights (SARs) [Member]
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Dec. 31, 2013
Minimum [Member]
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Nov. 18, 2013
Chief Executive Officer [Member]
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Nov. 30, 2008
Chief Executive Officer [Member]
Restricted Stock Units (RSUs) [Member]
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Nov. 18, 2013
Chief Executive Officer [Member]
Restricted Stock Units (RSUs) [Member]
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Nov. 30, 2008
Chief Executive Officer [Member]
Performance base shares [Member]
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Nov. 18, 2013
Chief Executive Officer [Member]
Performance base shares [Member]
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Nov. 18, 2013
Chief Executive Officer [Member]
Performance Shares First Tranche [Domain]
Performance base shares [Member]
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Nov. 18, 2013
Chief Executive Officer [Member]
Minimum [Member]
Performance base shares [Member]
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Nov. 18, 2013
Chief Executive Officer [Member]
Performance Shares Second Tranche [Domain]
Performance base shares [Member]
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Nov. 18, 2013
Chief Executive Officer [Member]
Performance Shares Final Tranche [Domain]
Performance base shares [Member]
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Nov. 18, 2013
Chief Executive Officer [Member]
Maximum [Member]
Performance base shares [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized | 1,100,000 | ||||||||||||||||
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term | 10 years | ||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures | 396,760 | 140,000 | 280,000 | 94,000 | 93,000 | 93,000 | |||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights | 0.2 | 0.2 | |||||||||||||||
| Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ 5.44 | $ 4.28 | |||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value | $ 0.86 | ||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award | 15 | 10 | 20 | ||||||||||||||
| Subsequent Event, Term of Contract | 180 days | 30 days | 60 days | ||||||||||||||
| Performance Shares Target Premium | 25.00% | ||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term | 3 years 6 months | 3 years 6 months | 5 years | ||||||||||||||
| Stock or Unit Option Plan Expense | $ 454,000 | $ 349,000 | |||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value | $ 5.10 | $ 1.97 | $ 2.71 | ||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised | 13,183 | 38,169 | |||||||||||||||
| Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price | $ 5.90 | $ 5.44 | |||||||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized | $ 1,700,000 | ||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term | 1 year 6 months | 3 years 0 months 18 days | |||||||||||||||