Benefit Plans	12 Months Ended
Dec. 31, 2018
Retirement Benefits [Abstract]
Benefit Plans	BENEFIT PLANS The Company has established a 401(k) defined contribution plan (the “401(k) Plan”) for its employees. The 401(k) Plan allows employees to contribute a portion of their earnings, and the Company may match a percentage of the contributions on a discretionary basis. The expense associated with the 401(k) Plan for the years ended December 31, 2018, 2017 and 2016 was $1.2 million, $1.0 million and $0.9 million, respectively. The increase in the expense associated with the 401(k) Plan in each year is primarily attributable to increased headcount and participation. On April 28, 2014, the board of directors of the Company approved the 2014 Long-Term Incentive Plan (“LTIP”). Under the LTIP, the Company is authorized to grant nonqualified stock options, rights to purchase Class B Shares, restricted stock, restricted stock units and other awards to be settled in, or based upon, Class B Shares to persons who are directors and employees of and consultants to the Company or any of its subsidiaries on the date of the grant. The LTIP will terminate ten years after approval by the board. Subject to adjustments in connection with certain changes in capitalization, the maximum number of Class B Shares that may be delivered pursuant to awards under the LTIP is 2,253,735 after giving effect to the 1.5543 - for - 1 stock split consummated on January 30, 2018 in connection with our initial public offering. As of December 31, 2018, 423,268 shares remain available for issuance. On January 16, 2018, our board adopted and our stockholders approved the 2018 Omnibus Incentive Plan (the “Omnibus Incentive Plan”) pursuant to which equity-based and cash incentives may be granted to participating employees, directors and consultants. The Omnibus Incentive Plan provides for an aggregate of 1,607,389 shares of our common stock. As of December 31, 2018, 1,227,976 shares remain available for issuance.

BENEFIT PLANS

The Company has established a 401(k) defined contribution plan (the “401(k) Plan”) for its employees. The 401(k) Plan allows employees to contribute a portion of their earnings, and the Company may match a percentage of the contributions on a discretionary basis. The expense associated with the 401(k) Plan for the years ended December 31, 2018, 2017 and 2016 was $1.2 million, $1.0 million and $0.9 million, respectively. The increase in the expense associated with the 401(k) Plan in each year is primarily attributable to increased headcount and participation.

On April 28, 2014, the board of directors of the Company approved the 2014 Long-Term Incentive Plan (“LTIP”). Under the LTIP, the Company is authorized to grant nonqualified stock options, rights to purchase Class B Shares, restricted stock, restricted stock units and other awards to be settled in, or based upon, Class B Shares to persons who are directors and employees of and consultants to the Company or any of its subsidiaries on the date of the grant. The LTIP will terminate ten years after approval by the board. Subject to adjustments in connection with certain changes in capitalization, the maximum number of Class B Shares that may be delivered pursuant to awards under the LTIP is 2,253,735 after giving effect to the 1.5543 - for - 1 stock split consummated on January 30, 2018 in connection with our initial public offering. As of December 31, 2018, 423,268 shares remain available for issuance.

On January 16, 2018, our board adopted and our stockholders approved the 2018 Omnibus Incentive Plan (the “Omnibus Incentive Plan”) pursuant to which equity-based and cash incentives may be granted to participating employees, directors and consultants. The Omnibus Incentive Plan provides for an aggregate of 1,607,389 shares of our common stock. As of December 31, 2018, 1,227,976 shares remain available for issuance.