Stock-Based Compensation (Restricted Stock Activity) (Details) (2007 Incentive Stock Plan, Restricted Stock)	12 Months Ended
Dec. 31, 2014
Total (in shares)
Balance at beginning of period	1,265,411
Granted	219,483
Forfeited	(31,024)
Reduced for income tax obligations	(52,622)
Balance at end of period	1,401,248
Vested (in shares)	1,020,383
Non-vested (in shares)	380,865
Service Providers
Total (in shares)
Balance at beginning of period	645,411
Granted	54,483
Forfeited	(31,024)
Reduced for income tax obligations	(52,622)
Balance at end of period	616,248
Vested (in shares)	400,383
Non-vested (in shares)	215,865
Directors
Total (in shares)
Balance at beginning of period	620,000
Granted	165,000
Forfeited	0
Reduced for income tax obligations	0
Balance at end of period	785,000
Vested (in shares)	620,000
Non-vested (in shares)	165,000

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event.

+ References

+ Details

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Period Type:	duration

- Definition

Net number of non-option equity instruments granted to participants.

+ References

+ 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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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

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- 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.

+ References

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

+ References

No definition available.

+ Details

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Period Type:	duration