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 reconciles the beginning and ending fair value measurements of our servicing liabilities associated with transferring our rights to Charged-Off Receivables during the periods presented. (1) Recognized in other gains (losses), net in the Consolidated Statements of Operations. (2) Represents the reduction of our servicing liabilities due to the passage of time and collection of loan payments.
table: Year Ended December 31,
table: 2019 2018 2017
table: Beginning balance $3,016 $2,071 $—
table: Initial obligation from transfer of Charged-Off Receivables(1) 2,705 2,461 2,379
table: Fair value changes recognized in other gains (losses), net(2) (1,925) (1,516) (308)
table: Ending balance $3,796 $3,016 $2,071
question: Analyse this data from a financial earnings document. What was the change in the beginning balance between 2018 and 2019?