Equity-Based Compensation (Option Activity) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Share-based Compensation Arrangement By Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Stock issued during period, value	$ 58
Total compensation cost not yet recognized	200		261
Employee Vested Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of options outstanding (shares)	11,287,888
Number of options granted (shares)	0
Number of options forfeited (shares)	0
Number of options outstanding (shares)	11,287,888	11,287,888
Number of options vested and expected to vest, outstanding (shares)	11,287,888
Number of options vested and expected to vest, exercisable (shares)	10,893,365
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price, Options Outstanding (usd per share)	$ 1.64
Weighted Average Exercise Price, Options Granted (usd per share)	$ 0.00
Weighted Average Exercise Price, Options Forfeited (usd per share)	$ 0.00
Weighted Average Exercise Price, Options Outstanding (usd per share)	$ 1.64	$ 1.64
Weighted Average Exercise Price, Options Vested and Expected to Vest, Outstanding (usd per share)	$ 1.64
Weighted Average Exercise Price, Options Vested and Expected to Vest, Exercisable (usd per share)	$ 1.63
Share-based Compensation Arrangement By Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Roll Forward]
Weighted Average Remaining Contractual Term (Years), Options outstanding	4 years 4 months 9 days	4 years 7 months 9 days
Weighted Average Remaining Contractual Term (Years), Options outstanding	4 years 4 months 9 days	4 years 7 months 9 days
Weighted Average Remaining Contractual Term (Years), Options vested and expected to vest	4 years 4 months 9 days
Weighted Average Remaining Contractual Term (Years), Options exercisable	4 years 0 months 22 days
Share-based Compensation Arrangement By Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Aggregate Intrinsic Value, Options Outstanding	0
Aggregate Intrinsic Value, Options Granted	0
Aggregate Intrinsic Value, Options Forfeited	0
Aggregate Intrinsic Value, Options Outstanding	0	0
Aggregate Intrinsic Value, Options Vested and Expected to Vest, Outstanding	0
Aggregate Intrinsic Value, Options Vested and Expected to Vest, Exercisable	0
Employee Nonvested Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of options outstanding (shares)	710,594
Number of options granted (shares)	0
Number of options vested (shares)	(316,071)
Number of options forfeited (shares)	0
Number of options outstanding (shares)	394,523	710,594
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price, Options Outstanding (usd per share)	$ 1.38
Weighted Average Exercise Price, Options Granted (usd per share)	$ 0.00
Weighted Average Exercise Price, Options Vested (usd per share)	$ 0.97
Weighted Average Exercise Price, Options Forfeited (usd per share)	$ 0.00
Weighted Average Exercise Price, Options Outstanding (usd per share)	$ 1.71	$ 1.38
Share-based Compensation Arrangement By Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Roll Forward]
Weighted Average Remaining Contractual Term (Years), Options outstanding	7 years 10 months 15 days	8 years 9 months 4 days
Weighted Average Remaining Contractual Term (Years), Options outstanding	7 years 10 months 15 days	8 years 9 months 4 days
Share-based Compensation Arrangement By Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Aggregate Intrinsic Value, Options Outstanding	0
Aggregate Intrinsic Value, Options Granted	0
Aggregate Intrinsic Value, Options Vested	0
Aggregate Intrinsic Value, Options Forfeited	0
Aggregate Intrinsic Value, Options Outstanding	0	0
Nonemployee Vested Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of options outstanding (shares)	3,800,000
Number of options granted (shares)	0
Number of options exercised (shares)	0
Number of options forfeited (shares)	0
Number of options outstanding (shares)	3,800,000	3,800,000
Number of options vested and expected to vest, outstanding (shares)	3,800,000
Number of options vested and expected to vest, exercisable (shares)	3,779,167
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price, Options Outstanding (usd per share)	$ 1.36
Weighted Average Exercise Price, Options Granted (usd per share)	$ 0.00
Weighted Average Exercise Price, Options Exercised (usd per share)	$ 0.00
Weighted Average Exercise Price, Options Forfeited (usd per share)	$ 0.00
Weighted Average Exercise Price, Options Outstanding (usd per share)	$ 1.36	$ 1.36
Weighted Average Exercise Price, Options Vested and Expected to Vest, Outstanding (usd per share)	$ 1.36
Weighted Average Exercise Price, Options Vested and Expected to Vest, Exercisable (usd per share)	$ 1.35
Share-based Compensation Arrangement By Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Roll Forward]
Weighted Average Remaining Contractual Term (Years), Options outstanding	4 years 5 months 29 days	4 years 9 months
Weighted Average Remaining Contractual Term (Years), Options outstanding	4 years 5 months 29 days	4 years 9 months
Weighted Average Remaining Contractual Term (Years), Options vested and expected to vest	4 years 5 months 29 days
Weighted Average Remaining Contractual Term (Years), Options exercisable	4 years 1 month 25 days
Share-based Compensation Arrangement By Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Aggregate Intrinsic Value, Options Outstanding	0
Aggregate Intrinsic Value, Options Granted	0
Aggregate Intrinsic Value, Options Exercised	0
Aggregate Intrinsic Value, Options Forfeited	0
Aggregate Intrinsic Value, Options Outstanding	0	0
Aggregate Intrinsic Value, Options Vested and Expected to Vest, Outstanding	0
Aggregate Intrinsic Value, Options Vested and Expected to Vest, Exercisable	0
Nonemployee Nonvested Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of options outstanding (shares)	33,333
Number of options granted (shares)	0
Number of options vested (shares)	(12,500)
Number of options forfeited (shares)	0
Number of options outstanding (shares)	20,833	33,333
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price, Options Outstanding (usd per share)	$ 2.60
Weighted Average Exercise Price, Options Granted (usd per share)	$ 0.00
Weighted Average Exercise Price, Options Vested (usd per share)	$ 2.60
Weighted Average Exercise Price, Options Forfeited (usd per share)	$ 0.00
Weighted Average Exercise Price, Options Outstanding (usd per share)	$ 2.60	$ 2.60
Share-based Compensation Arrangement By Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Roll Forward]
Weighted Average Remaining Contractual Term (Years), Options outstanding	8 years 9 months 29 days	9 years 1 month 0 days
Weighted Average Remaining Contractual Term (Years), Options outstanding	8 years 9 months 29 days	9 years 1 month 0 days
Share-based Compensation Arrangement By Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Aggregate Intrinsic Value, Options Outstanding	0
Aggregate Intrinsic Value, Options Granted	0
Aggregate Intrinsic Value, Options Vested	0
Aggregate Intrinsic Value, Options Forfeited	0
Aggregate Intrinsic Value, Options Outstanding	0	0
General and Administrative Expense [Member]
Share-based Compensation Arrangement By Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Stock issued during period, value	$ 58		$ 88