Additional Indebtedness Long-Term Debt

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- Definition

Collateralized Property Units

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No definition available.

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- Definition

Debt Instrument, Collateral, Coverage Percentage

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Covenant Limitation on Common Stock Repurchase Amount

+ References

No definition available.

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- Definition

Debt Instrument, Periodic Payment Terms, Balloon Payment Percentage

+ References

No definition available.

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- Definition

Line of Credit Facility, Accordion Feature Amount

+ References

No definition available.

+ Details

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- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
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- Definition

When presenting a range of interest rates, the highest effective rate for funds borrowed under the debt agreement as of the balance sheet date.

+ References

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-Name Accounting Standards Codification
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- Definition

When presenting a range of interest rates, the lowest effective rate for funds borrowed under the debt agreement as of the balance sheet date.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

+ Details

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

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Debt Obligations (Narrative) (Details) $ in Thousands	6 Months Ended
Debt Obligations (Narrative) (Details) $ in Thousands	Jun. 30, 2016 USD ($) aircrafts	May 30, 2016 USD ($)	Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
Long term obligations	$ 365,098		$ 317,658
Unamortized Debt Issuance Expense	$ 700		500
Unsubordinated term loan and Revolving credit facility [Member]
Debt Instrument [Line Items]
Collateral coverage percentage	150.00%
Unsubordinated term loan [Member]
Debt Instrument [Line Items]
Long term obligations	$ 93,067		100,708
Additional Indebtedness Long-Term Debt		$ 150,000
Variable interest rate	2.22%
Revolving credit facility [Member]
Debt Instrument [Line Items]
Long term obligations	$ 240,000		180,000
Accordion feature amount		100,000
Line of Credit Facility, Maximum Borrowing Capacity		$ 425,000
Variable interest rate	2.22%
Credit facility, revolving credit loan, remaining borrowing capacity	$ 176,500
Letters of credit outstanding	8,500
Aircraft loans [Member]
Debt Instrument [Line Items]
Long term obligations	$ 32,031		$ 36,950
Collateralized property (in aircrafts) \| aircrafts	6
Balloon payment percentage	20.00%
Variable interest rate, minimum	6.74%
Variable interest rate, maximum	7.36%
Maximum [Member] \| Unsubordinated term loan and Revolving credit facility [Member]
Debt Instrument [Line Items]
Collateral coverage percentage	175.00%
Maximum amount of common stock authorized for repurchase	$ 75,000
Minimum [Member] \| Unsubordinated term loan and Revolving credit facility [Member]
Debt Instrument [Line Items]
Collateral coverage percentage	50.00%