Consolidated fixed charge coverage ratio minimum.

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- Definition

Consolidated leverage ratio maximum.

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No definition available.

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- Definition

Minimum consideration for a business consideration, after which maximum consolidated leverage ratio will increase under the credit facility.

+ References

No definition available.

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- Definition

Debt instruments maturity date month and year.

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No definition available.

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- Definition

Amount of amortization expense attributable to debt issuance costs.

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

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

+ References

No definition available.

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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
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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

Amount of the required periodic payments applied to principal.

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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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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

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Description of the conditions for borrowing under the credit facility including the nature of any restrictions.

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-Publisher FASB
-Name Accounting Standards Codification
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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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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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-Name Accounting Standards Codification
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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

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Debt - Additional Information (Details) - USD ($)		12 Months Ended
Debt - Additional Information (Details) - USD ($)	May 19, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 300,000,000
Debt instrument maturity period	5 years
Revolving credit facility maturity year		2021-05
Maximum consolidated leverage ratio	300.00%
Second amended and restated credit agreement, covenants		The Second Amended and Restated Credit Agreement also requires the Company to satisfy certain financial covenants, such as maintaining a minimum consolidated fixed charge coverage ratio of 1.50 to 1.00 and a maximum consolidated leverage ratio of 3.00 to 1.00. The maximum consolidated leverage ratio will increase to 3.50:1.00 for four consecutive quarters following an acquisition with an aggregate consideration greater than or equal to $50.0 million.
Minimum consolidated fixed charge coverage ratio	150.00%
Senior Credit Facilities
Debt Instrument [Line Items]
Debt instrument interest rate		2.90%
Deferred financing costs		$ 2,500,000
Non-cash interest expense related to amortization of deferred financing costs		$ 900,000	$ 900,000	$ 1,000,000
Senior Credit Facilities \| Repurchase of Equity Interests
Debt Instrument [Line Items]
Maximum consolidated leverage ratio	250.00%
Acquisition with Aggregate Consideration Greater than or Equal to $50 million
Debt Instrument [Line Items]
Maximum consolidated leverage ratio	350.00%
Debt instrument, covenant, required business acquisition consideration, minimum	$ 50,000,000
Eurocurrency Rate \| Minimum
Debt Instrument [Line Items]
Variable interest rate		1.75%
Eurocurrency Rate \| Maximum
Debt Instrument [Line Items]
Variable interest rate		2.75%
Base Rate \| Minimum
Debt Instrument [Line Items]
Variable interest rate		0.75%
Base Rate \| Maximum
Debt Instrument [Line Items]
Variable interest rate		1.75%
Term Loans
Debt Instrument [Line Items]
Maximum borrowing capacity	75,000,000
Quarterly installments payable on term loan	1,900,000
Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 225,000,000
Unused commitment fees percentage		0.30%
Available for borrowings capacity		$ 215,000,000
Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Unused commitment fees percentage		0.25%
Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Unused commitment fees percentage		0.45%