pre_text: GreenSky, Inc. NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued) (United States Dollars in thousands, except per share data, unless otherwise stated) The following table reflects the impact of consolidation of GS Holdings into the Consolidated Statements of Operations for the years indicated.
table: Year Ended December 31,
table: 2019 2018
table: Total revenue $529,646 $414,673
table: Total costs and expenses 408,693 261,883
table: Operating profit 120,953 152,790
table: Total other income (expense), net (22,297) (19,276)
table: Net income $98,656 $133,514
question: Analyse this data from a financial earnings document. What was the change in operating profit between 2018 and 2019?