pre_text: Historical Cash Flows The following table sets forth our cash flows for the periods indicated (in thousands):
table: Year Ended December 31,
table: 2019 2018 2017
table: Cash flows from operating activities $47,112 $60,710 $57,187
table: Cash flows used in investing activities (73,414) (13,377) (168,795)
table: Cash flows (used in) / from financing activities (130) 2,399 67,303
question: Analyse this data from a financial earnings document. What was the sum of cash flows in 2019?