Share-Based Compensation Plans: Restricted Stock and Restricted Stock Unit Activity (Details) (Restricted Stock and Restricted Stock Units [Member], USD $)	3 Months Ended
Mar. 31, 2015
Restricted Stock and Restricted Stock Units [Member]
(Thousands) Underlying Number of Shares [Roll Forward]
Beginning balance, Number of Shares	978,000
Granted	0
Vested	(354,600)
Forfeited	(98,100)
Ending balance, Number of Shares	525,300
Weighted Average Fair Value
Beginning balance, Weighted Average Fair Value	$ 8.95
Granted	$ 0.00
Vested	$ 9.30
Forfeited	$ 8.38
Ending balance, Weighted Average Fair Value	$ 8.81

Gross number of share options (or share units) granted during the period.

No definition available.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ 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 (d)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

Number of non-vested options outstanding.

+ References

No definition available.

+ Details

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- Details

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- Definition

Number of non-vested options forfeited.

+ References

No definition available.

+ Details

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- Definition

Weighted average grant-date fair value of non-vested options forfeited.

+ References

No definition available.

+ Details

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- Definition

Weighted average grant-date fair value of non-vested options outstanding.

+ References

No definition available.

+ Details

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- Details

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- Definition

Number of options vested.

+ References

No definition available.

+ Details

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- Definition

Weighted average grant-date fair value of options vested.

+ References

No definition available.

+ Details

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