XML 57 R26.htm IDEA: XBRL DOCUMENT v2.4.0.6

Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2012

Long-Term Debt [Abstract]

Schedule Of Long-Term Debt Interest Rate

Ratio of Total Outstanding Borrowings to Borrowing Base		Applicable Margin for LIBOR Loans				Applicable Margin for ABR Loans
Less than .25 to 1			1.50	%			0.00	%
Greater than or equal to .25 to 1 but less than .50 to 1			1.75	%			0.25	%
Greater than or equal to .50 to 1 but less than .75 to 1			2.00	%			0.50	%
Greater than or equal to .75 to 1 but less than .90 to 1			2.25	%			0.75	%
Greater than .90 to 1 but less than or equal 1			2.50	%			1.00	%

X

- Details

Name:	us-gaap_DebtDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfDebtTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration