pre_text: Contractual Obligations and Commitments The following table summarizes our contractual cash obligations and other commercial commitments as of December 31, 2019. (1) These amounts include interest and principal payment obligations on our €135.0 million of 2024 Notes through the maturity date of June 30, 2024, interest and principal payments on our $445.0 million of 2022 Notes through the maturity date of March 1, 2022, interest and principal payments on our $189.2 million of 2021 Notes through the maturity date of April 15, 2021 and $12.5 million due under an installment payment agreement with a vendor. (2) The amounts include principal and interest payments under our finance lease obligations. Our finance lease obligations were incurred in connection with IRUs for inter-city and intra-city dark fiber underlying substantial portions of our network. These finance leases are presented on our balance sheet at the net present value of the future minimum lease payments, or $169.8 million at December 31, 2019. These leases generally have initial terms of 15 to 20 years. (3) These amounts include amounts due under our facilities, operating leases, colocation obligations and carrier neutral data center obligations. Certain of these operating lease liabilities are presented on our balance sheet at the net present value of the future minimum lease payments, or $96.8 million at December 31, 2019. (4) These amounts include amounts due under unconditional purchase obligations including dark fiber IRU operating and finance lease agreements entered into but not delivered and accepted prior to December 31, 2019.
table: Payments due by period
table: Total Less than 1 year 1 - 3 years 3 - 5 years After 5 years
table: (in thousands)
table: Debt(1) 903,696 50,601 691,748 161,347 —
table: Finance lease obligations(2) 340,188 25,459 48,693 45,311 220,725
table: Operating leases, colocation and data center obligations(3) 205,087 36,119 42,344 26,138 100,486
table: Unconditional purchase obligations(4) 27,885 12,154 1,346 1,307 13,078
table: Total contractual cash obligations $1,476,856 $124,333 $784,131 $234,103 $334,289
question: Analyse this data from a financial earnings document. What is the company's unconditional purchase obligations due within 3 years?