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

No definition available.

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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
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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
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ 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

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
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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

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- Definition

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

+ References

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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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-Paragraph 20, 22
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Long Term Debt (Narrative) (Details) - USD ($)		12 Months Ended
Long Term Debt (Narrative) (Details) - USD ($)	Jan. 04, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Apr. 28, 2015
Debt Instrument [Line Items]
Loss on early extinguishment of debt		$ 0	$ 0	$ 263,000
Long-term debt outstanding		270,810,000	241,435,000
Subsequent Event [Member] \| Amended and Restated Senior Credit Agreement [Member] \| Eurodollar [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	2.00%
Revolving Line of Credit [Member]
Debt Instrument [Line Items]
Long-term debt outstanding		265,609,000	235,000,000
Line of credit facility, available borrowing capacity		$ 179,300,000
Revolving Line of Credit [Member] \| Amended and Restated Senior Credit Agreement [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 450,000,000
Revolving Line of Credit [Member] \| Amended and Restated Senior Credit Agreement [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (percent)		1.50%
Interest rate at period end (percent)		1.93%
Revolving Line of Credit [Member] \| Amended and Restated Senior Credit Agreement [Member] \| Federal Funds Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (percent)		0.50%
Revolving Line of Credit [Member] \| Amended and Restated Senior Credit Agreement [Member] \| Eurodollar [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (percent)		1.00%
Revolving Line of Credit [Member] \| Amended and Restated Senior Credit Agreement [Member] \| Alternate Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (percent)		0.50%
Revolving Line of Credit [Member] \| Subsequent Event [Member] \| Amended and Restated Senior Credit Agreement [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 525,000,000.0
Letters of Credit [Member]
Debt Instrument [Line Items]
Letters of credit outstanding		$ 5,100,000
Term Loan Facility [Member] \| Subsequent Event [Member] \| Amended and Restated Senior Credit Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 175,000,000.0
Mortgages Notes [Member]
Debt Instrument [Line Items]
Long-term debt outstanding		$ 5,201,000	$ 6,435,000
Debt interest rate (percent)		8.25%