The components of lease expense were as follows: | | | | | | | | | | | | | | | | | | | | | | | Year Ended December 31, | (In thousands) | | 2021 | | 2020 | | 2019 | Finance lease cost | | | | | | | Amortization of right-of-use assets | | $ | 5,731 | | | $ | 1,935 | | | $ | 27 | | Interest on lease liabilities | | 1,018 | | | 383 | | | 2 | | Operating lease cost | | 31,730 | | | 22,551 | | | 9,200 | | Short-term lease cost | | 628 | | | 356 | | | 219 | | Variable lease cost | | 5,212 | | | 2,703 | | | 896 | | Total lease Cost | | $ | 44,319 | | | $ | 27,928 | | | $ | 10,344 | |
Supplemental disclosure of cash flow information related to the Company's cash and non-cash activities with its leases are as follows: | | | | | | | | | | | | | | | | | | | | | | | Year Ended December 31, | (In thousands) | | 2021 | | 2020 | | 2019 | Cash paid for amounts included in the measurement of lease liabilities: | | | | | | | Operating cash flows from operating leases | | $ | 27,461 | | $ | 17,531 | | $ | 9,641 | Operating cash flows from finance leases | | 938 | | 381 | | 1 | Finance cash flows from finance leases | | 5,290 | | 1,756 | | 15 | Non-cash investing and financing activities: | | | | | | | Right-of-use assets obtained in exchange for new operating lease liabilities (1) | | 74,369 | | 13,261 | | 51,030 | Right-of-use assets obtained in exchange for new finance lease liabilities | | 5,460 | | 20,349 | | 237 | Weighted-average remaining lease term - operating leases (in years) | | 8.33 | | 8.75 | | 9.80 | Weighted-average remaining lease term - finance leases (in years) | | 2.95 | | 3.68 | | 1.20 | Weighted-average discount rate - operating leases | | 6.11 | % | | 6.80 | % | | 6.80 | % | Weighted-average discount rate - finance leases | | 5.36 | % | | 5.67 | % | | 5.60 | % | _________________________________(1) For the year ended December 31, 2021, this includes right-of-use assets acquired as part of the business combinations described in Note 19 of $39.6 million. For the year ended December 31, 2019, this includes right-of-use assets obtained from the initial adoption of ASC 842 of $17.9 million.
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