Long-Term Debt and Subordinated Credit Facility (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Unamortized deferred financing costs	$ (11,078)	$ (614)
Total long-term debt	426,489	178,810
Less current maturities of long-term debt	(13,350)	(6,326)
Long-term debt, excluding current maturities	$ 413,139	$ 172,484
Sellers Note
Debt Instrument [Line Items]
Interest rate (as a percent)	5.00%	5.00%
Long-term debt	$ 9,000	$ 9,000
First Lien Credit Facility
Debt Instrument [Line Items]
Interest rate (as a percent)	6.75%
Long-term debt	$ 435,000
Unamortized discount	$ (6,433)
Senior Term Loan
Debt Instrument [Line Items]
Interest rate (as a percent)		3.02%
Long-term debt		$ 170,645
Unamortized discount		$ (221)

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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

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

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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Net amount of long-term deferred finance costs capitalized at the end of the reporting period.

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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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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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