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Commitments	12 Months Ended
Commitments	Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]
Commitments	Total net rent expense for the years ended December 31, 2019, 2018 and 2017 amounted to $14.8 million, $13.3 million and $13.9 million, respectively. For additional information and future minimum obligations under all non-cancelable leases, refer to Note 7, "Leases."