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 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

+ Details

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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

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

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

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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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.

+ Details

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- Definition

Amount of the required periodic payments applied to principal.

+ References

+ Details

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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.

+ Details

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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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.

+ References

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)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624163-113959

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- References

No definition available.

+ Details

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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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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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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Period Type:	duration

- 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

+ Details

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- References

No definition available.

+ Details

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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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19,20)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Article 5

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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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

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3581-108585

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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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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the amount of additional interest expense incurred.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Debt instrument accordion feature period, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Maximum borrowing capacity with accordion feature 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

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Banking Facilities and Debt (Details) - USD ($)		3 Months Ended			4 Months Ended	6 Months Ended
Banking Facilities and Debt (Details) - USD ($)	May. 07, 2015	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2014	May. 06, 2015	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Banking facilities and other debt
Paid off the outstanding Term loan and Draw term loan	$ 15,400,000
Summary of outstanding debt
Total current installments of debt								$ 16,667,000
Interest rate swaps
Banking facilities and other debt
Additional interest expense		$ 300,000				$ 300,000
Interest rate hedges
Interest rate swap liabilities								700,000
Quarterly settlement payment pursuant to hedges	500,000		$ 200,000	$ 200,000			$ 500,000
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
New Revolving Facility
Banking facilities and other debt
Maximum borrowing capacity	$ 75,000,000
Accordion feature period	4 years
Maximum borrowing capacity accordion feature	$ 50,000,000
Letters of credit outstanding		$ 700,000				$ 700,000
New Revolving Facility \| Minimum
Banking facilities and other debt
Commitment fee (as a percent)	0.20%
New Revolving Facility \| Minimum \| LIBOR
Banking facilities and other debt
Interest rate margin (as a percent)	1.00%
New Revolving Facility \| Minimum \| Lender's prime rate
Banking facilities and other debt
Interest rate margin (as a percent)	0.00%
New Revolving Facility \| Maximum
Banking facilities and other debt
Commitment fee (as a percent)	0.35%
New Revolving Facility \| Maximum \| LIBOR
Banking facilities and other debt
Interest rate margin (as a percent)	2.00%
New Revolving Facility \| 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					$ 10,000,000
Summary of outstanding debt
Total current installments of debt								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					$ 6,700,000
Summary of outstanding debt
Total current installments of debt								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
Revolving Facility \| Minimum
Banking facilities and other debt
Commitment fee (as a percent)					0.25%
Revolving Facility \| Minimum \| LIBOR
Banking facilities and other debt
Interest rate margin (as a percent)					1.75%
Revolving Facility \| Minimum \| Lender's prime rate
Banking facilities and other debt
Interest rate margin (as a percent)					0.00%
Revolving Facility \| Maximum
Banking facilities and other debt
Commitment fee (as a percent)					0.40%
Revolving Facility \| Maximum \| LIBOR
Banking facilities and other debt
Interest rate margin (as a percent)					2.75%
Revolving Facility \| Maximum \| Lender's prime rate
Banking facilities and other debt
Interest rate margin (as a percent)					1.00%