Related Party Transactions	12 Months Ended
Related Party Transactions	Dec. 31, 2015
Related Party Transactions
Related Party Transactions	16. Related Party Transactions The Company was charged an annual management fee that was payable quarterly to its majority shareholder, Vestar. The annual management fee is no longer charged after the effective date of the IPO. The Company incurred management fees of $553,000, $1.0 million, and $907,000 for the years ended December 31, 2015, 2014 and 2013, respectively. In connection with the IPO, the Company paid a one-time transaction advisory fee to Vestar of $8.5 million. This fee was reflected as a distribution payment on the consolidated statement of cash flows for the year ended December 31, 2015, and reduced retained earnings on the consolidated balance sheet as of December 31, 2015.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.