Shenandoah Telecommunications Co. operates as a holding company, which engages in the provision of regulated and unregulated telecommunication services to end-user customers and other telecommunications providers. It offers voice, video and data communications services. It operates through the following segments: Wireless, Cable, Wireline and Others. The Wireless segment provides digital wireless telephone and data network services. The Cable segment offers video, voice, and data services. The Wireline segment consists of regulated and unregulated voice services, Digital Subscriber Line Internet access, cable modem, and long distance access service. The Others segment that provides investing and management services to the company's subsidiaries. The company was founded in 1902 and is headquartered in Edinburg, VA.
During the three months ended June 30, 2019, operating revenue increased approximately $2.4 million, or 1.5%, compared with the three months ended June 30, 2018, driven by growth in the Cable and Wireline segments.
During the three months ended June 30, 2019, operating expenses decreased approximately $0.4 million, or 0.3%, compared with the three months ended June 30, 2018. The decrease was primarily due to a decline in selling, general and administrative expenses in our Wireless and Other segments.
During the three months ended June 30, 2019, interest expense decreased approximately $1.3 million, or 15.0%, compared with the three months ended June 30, 2018. The decrease in interest expense was primarily attributable to the 2018 amendments to the Credit Facility Agreement that reduced the applicable base interest rate by 75 basis points, and scheduled reductions of principal, partially offset by the effect of increases in LIBOR.