Investments	9 Months Ended
Sep. 30, 2017
Investments, All Other Investments [Abstract]
Investments	Note 8. Investments Investment in Topgolf International, Inc. The Company owns a minority interest in Topgolf International, Inc., doing business as the Topgolf Entertainment Group (“Topgolf”), the owner and operator of Topgolf entertainment centers, which ownership consists of common stock and various classes of preferred stock. In connection with this investment, the Company has a preferred partner agreement with Topgolf in which the Company has preferred signage rights, rights as the preferred supplier of golf products used or offered for use at Topgolf facilities at prices no less than those paid by the Company’s customers, preferred retail positioning in Topgolf retail stores, access to consumer information obtained by Topgolf, and other rights incidental to those listed above. The Company invested an additional $1,499,000 in preferred shares of Topgolf during the three and nine months ended September 30, 2017. During the nine months ended September 30, 2016, the Company invested an additional $1,260,000 in preferred shares of Topgolf. In addition, in December 2015, the Company and Topgolf entered into a shareholder loan agreement, which resulted in a note receivable from Topgolf for $3,200,000. The loan was subject to an annual interest rate of 10.0% and was due and payable on March 30, 2016. The loan was paid in full in February 2016. In February 2016, Topgolf announced that Providence Equity Partners L.L.C. (“Providence Equity”) made a significant minority preferred stock investment in Topgolf (the “Providence Equity Investment”). As required by the terms of the Providence Equity Investment, Topgolf used a portion of the proceeds it received to repurchase shares from its existing shareholders, other than Providence Equity (the “Topgolf Repurchase Program”). In April 2016, the Company sold approximately 10.0% or $5,767,000 (on a cost basis) of its preferred shares in Topgolf under the Topgolf Repurchase Program for $23,429,000, and recognized a gain of approximately $17,662,000 in other income (expense) during the second quarter of 2016. As of September 30, 2017 and December 31, 2016, the Company's total investment in Topgolf was $50,495,000 and $48,997,000, respectively. The Company's ownership percentage at September 30, 2017 was approximately in the range of 14.0% to 15.0%. As of September 30, 2017, there were no impairment indicators present with respect to this investment. Based on prior observable market transactions, the Company believes that the fair value of its investment in Topgolf significantly exceeds its cost. However, the Company is currently unable to estimate the fair value of this investment as of September 30, 2017, as it was not practicable to do so and there were no recent identified events or changes in circumstances that had a significant effect on the fair value. In fiscal years beginning after December 15, 2017, in accordance with Subtopic 825-10 issued in January 2016, the Company would be required to write this investment up or down to its estimated fair value if there are observable price changes, which could have a significant effect on the Company's financial position and results of operations. For further discussion, see “Recent Accounting Standards” in Note 1. The Company’s total ownership interest in Topgolf, including the Company's voting rights in the preferred shares of Topgolf, remains at less than 20.0% of the outstanding equity securities of Topgolf. As of September 30, 2017, the Company did not have the ability to significantly influence the operating and financing activities and policies of Topgolf, and accordingly, the Company’s investment in Topgolf is accounted for at cost in accordance with ASC Topic 325, “Investments—Other.”

Note 8. Investments

Investment in Topgolf International, Inc.

The Company owns a minority interest in Topgolf International, Inc., doing business as the Topgolf Entertainment Group (“Topgolf”), the owner and operator of Topgolf entertainment centers, which ownership consists of common stock and various classes of preferred stock. In connection with this investment, the Company has a preferred partner agreement with Topgolf in which the Company has preferred signage rights, rights as the preferred supplier of golf products used or offered for use at Topgolf facilities at prices no less than those paid by the Company’s customers, preferred retail positioning in Topgolf retail stores, access to consumer information obtained by Topgolf, and other rights incidental to those listed above.

The Company invested an additional $1,499,000 in preferred shares of Topgolf during the three and nine months ended September 30, 2017. During the nine months ended September 30, 2016, the Company invested an additional $1,260,000 in preferred shares of Topgolf. In addition, in December 2015, the Company and Topgolf entered into a shareholder loan agreement, which resulted in a note receivable from Topgolf for $3,200,000. The loan was subject to an annual interest rate of 10.0% and was due and payable on March 30, 2016. The loan was paid in full in February 2016.

In February 2016, Topgolf announced that Providence Equity Partners L.L.C. (“Providence Equity”) made a significant minority preferred stock investment in Topgolf (the “Providence Equity Investment”). As required by the terms of the Providence Equity Investment, Topgolf used a portion of the proceeds it received to repurchase shares from its existing shareholders, other than Providence Equity (the “Topgolf Repurchase Program”). In April 2016, the Company sold approximately 10.0% or $5,767,000 (on a cost basis) of its preferred shares in Topgolf under the Topgolf Repurchase Program for $23,429,000, and recognized a gain of approximately $17,662,000 in other income (expense) during the second quarter of 2016.

As of September 30, 2017 and December 31, 2016, the Company's total investment in Topgolf was $50,495,000 and $48,997,000, respectively. The Company's ownership percentage at September 30, 2017 was approximately in the range of 14.0% to 15.0%. As of September 30, 2017, there were no impairment indicators present with respect to this investment. Based on prior observable market transactions, the Company believes that the fair value of its investment in Topgolf significantly exceeds its cost. However, the Company is currently unable to estimate the fair value of this investment as of September 30, 2017, as it was not practicable to do so and there were no recent identified events or changes in circumstances that had a significant effect on the fair value. In fiscal years beginning after December 15, 2017, in accordance with Subtopic 825-10 issued in January 2016, the Company would be required to write this investment up or down to its estimated fair value if there are observable price changes, which could have a significant effect on the Company's financial position and results of operations. For further discussion, see “Recent Accounting Standards” in Note 1.

The Company’s total ownership interest in Topgolf, including the Company's voting rights in the preferred shares of Topgolf, remains at less than 20.0% of the outstanding equity securities of Topgolf. As of September 30, 2017, the Company did not have the ability to significantly influence the operating and financing activities and policies of Topgolf, and accordingly, the Company’s investment in Topgolf is accounted for at cost in accordance with ASC Topic 325, “Investments—Other.”