Defined Contribution Plan, Employee Contribution of Eligible Compensation for Matching, Percent

No definition available.

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- Details

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

+ Details

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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Retirement Plans - Employee Retirement Savings Plans (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
401(k) retirement savings plan
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]
Employee contribution of eligible compensation for matching, percent	1
Employer matching contribution, percent	5.00%
Cost recognized to match employee 401(k) contributions	$ 1,800,000	$ 1,700,000	$ 2,300,000
Variable compensation program
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]
Employer matching contribution, percent	3.00%
Employer contribution amount			700,000	700,000
2013 Plan Year \| Variable compensation program
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]
Employer contribution amount	400,000
2012 Plan Year \| Variable compensation program
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]
Employer contribution amount	0
2011 Plan Year \| Variable compensation program
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]
Employer contribution amount			$ 700,000