pre_text: (4) Property and Equipment Property and equipment consist of the following (in thousands): Depreciation and amortization expense related to property and equipment was $22,538,000, $21,721,000 and $25,787,000 in 2019, 2018 and 2017, respectively. On November 1, 2019, we completed the purchase of real estate in Chandler, Arizona for approximately $48,000,000 that we intend to use as our global corporate headquarters. The property contains a building and some infrastructure in place that we will complete readying for our use over the next year. We intend to sell our current properties in Tempe, Arizona. Included within the software, buildings and land values presented above are assets in the process of being readied for use in the amounts of approximately $12,138,000, $27,658,000 and $11,700,000, respectively. Depreciation on these assets will commence, as appropriate, when they are ready for use and placed in service.
table: December 31,
table: 2019 2018
table: Software $114,674 $170,327
table: Buildings 92,092 64,263
table: Equipment 60,661 100,421
table: Furniture and fixtures 34,768 38,200
table: Lease hold improvements 33,668 26,319
table: Land 31,374 5,124
table: 367,237 404,654
table: Accumulated depreciation and amortization (236,330) (331,700)
table: Property and equipment, net $130,907 $72,954
question: Analyse this data from a financial earnings document. What is the change in Software between 2018 and 2019?