Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (SX 210.5-02.22(a)(1))

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- Details

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- Definition

Amount of the required periodic payments applied to principal.

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

-Publisher FASB

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-Topic 210

-SubTopic 10

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-Subparagraph (SX 210.5-02.22)

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(1)

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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

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ 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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Subparagraph (SX 210.5-02.19(b),22(b))

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-Number 210

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

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-Name Regulation S-X (SX)

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-Number 210

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-Subparagraph (SX 210.7-03.16)

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- Definition

Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

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-Subparagraph (SX 210.5-02.19,20)

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-Name Regulation S-X (SX)

-Number 210

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-Name Regulation S-X (SX)

-Number 210

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- Definition

The cash outflow for a financial contract that meets the hedge criteria as either a cash flow hedge, fair value hedge, or hedge of a net investment in a foreign operation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 27

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- Definition

Percentage of an entity's outstanding debt that is designated as a hedged item in cash flow, fair value, or net investment hedge.

+ References

No definition available.

+ Details

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- Definition

Represents the reference rate for the variable rate of the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

Represents the final principal payment required to settle a long-term debt obligation.

+ References

No definition available.

+ Details

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Banking Facilities and Debt (Details) (USD $)	3 Months Ended
Banking Facilities and Debt (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Summary of outstanding debt
Total current installments of debt	$ 15,417,000us-gaap_LongTermDebtCurrent		$ 16,667,000us-gaap_LongTermDebtCurrent
Interest rate swaps
Interest rate hedges
Interest rate swap liabilities	500,000		700,000
Quarterly settlement payment pursuant to hedges	200,000	200,000
LIBOR
Banking facilities and other debt
Interest rate basis	LIBOR
Lender's prime rate
Banking facilities and other debt
Interest rate basis	Lender's Prime Rate
Minimum \| LIBOR
Banking facilities and other debt
Interest rate margin (as a percent)	1.75%
Minimum \| Lender's prime rate
Banking facilities and other debt
Interest rate margin (as a percent)	0.00%
Maximum \| LIBOR
Banking facilities and other debt
Interest rate margin (as a percent)	2.75%
Maximum \| Lender's prime rate
Banking facilities and other debt
Interest rate margin (as a percent)	1.00%
Term Loan
Banking facilities and other debt
Term	10 years
Face amount of term loan	40,000,000
Quarterly principal payments	800,000
Final principal payment	7,500,000
Summary of outstanding debt
Total Debt	9,167,000		10,000,000
Term Loan \| LIBOR \| Interest rate swaps
Interest rate hedges
LIBOR (as a percent)	4.695%
Current interest rate (as a percent)	6.445%
Draw Term Loan
Banking facilities and other debt
Term	10 years
Face amount of term loan	20,000,000
Quarterly principal payments	400,000
Final principal payment	5,400,000
Summary of outstanding debt
Total Debt	6,250,000		6,667,000
75% of the outstanding balance of the Draw Term Loan \| Interest rate swaps
Interest rate hedges
Percentage of outstanding balance of debt hedged	75.00%
75% of the outstanding balance of the Draw Term Loan \| LIBOR \| Interest rate swaps
Interest rate hedges
LIBOR (as a percent)	4.875%
Current interest rate (as a percent)	6.625%
25% of the outstanding balance of the Draw Term Loan \| Interest rate swaps
Interest rate hedges
Percentage of outstanding balance of debt hedged	25.00%
25% of the outstanding balance of the Draw Term Loan \| LIBOR \| Interest rate swaps
Interest rate hedges
LIBOR (as a percent)	5.50%
Current interest rate (as a percent)	7.25%
Revolving Facility
Banking facilities and other debt
Maximum borrowing capacity	30,000,000
Letters of credit outstanding	$ 700,000		$ 700,000
Revolving Facility \| Minimum
Banking facilities and other debt
Commitment fee (as a percent)	0.25%
Revolving Facility \| Maximum
Banking facilities and other debt
Commitment fee (as a percent)	0.40%