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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years.

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Description of the period of time over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, which may be expressed in a variety of ways (for example, in years, month and year).

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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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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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Share-Based Compensation (Details 4) (CVR Partners' Long-Term Incentive Plan, USD $)				3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2012 CVR Partners, LP	Mar. 31, 2012 CVR Partners, LP Phantom and common units year	Mar. 31, 2011 CVR Partners, LP Phantom and common units
Share-based Compensation
Common stock authorized for issuance (in shares)			5,000,000
Vesting period (in years)				3 years
Compensation expense				$ 600,000	$ 0
Weighted-average period for amortization of unrecognized compensation cost (in years)				2
Unrecognized compensation cost				$ 2,700,000
Non-vested shares activity
Non-vested at the beginning of the period (in shares)	164,571	164,571
Non-vested at the end of the period (in shares)	164,571	164,571
Weighted-Average Grant-Date Fair Value
Non-vested at the beginning of the period (in dollars per share)	$ 22.99	$ 22.99
Non-vested at the end of the period (in dollars per share)	$ 22.99	$ 22.99