pre_text: Contract Balances Timing of revenue recognition may differ from the timing of invoicing to customers. The Company records an accrued receivable when revenue is recognized prior to invoicing and the Company’s right to consideration only requires the passage of time, or deferred revenue when revenue is recognized subsequent to invoicing. Total receivables represent amounts billed and amounts earned that are to be billed in the future (i.e., accrued receivables). Included in accrued receivables are services and SaaS and PaaS revenues earned in the current period but billed in the following period and amounts due under multi-year software license arrangements with extended payment terms for which the Company has an unconditional right to invoice and receive payment subsequent to invoicing. Total receivables, net is comprised of the following (in thousands): No customer accounted for more than 10% of the Company’s consolidated receivables balance as of December 31, 2019 and 2018.
table: December 31,
table: 2019 2018
table: Billed receivables $213,654 $239,275
table: Allowance for doubtful accounts (5,149) (3,912)
table: Billed receivables, net 208,505 235,363
table: Accrued receivables 399,302 336,858
table: Significant financing component (35,569 ) (35,029 )
table: Total accrued receivables, net 363,733 301,829
table: Less: current accrued receivables 161,714 123,053
table: Less: current significant financing component (11,022 ) (10,234 )
table: Total long-term accrued receivables, net 213,041 189,010
table: Total receivables, net $572,238 $537,192
question: Analyse this data from a financial earnings document. What was the change in billed receivables between 2018 and 2019?