Commitments	12 Months Ended
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Commitments	Total net rent expense for the years ended December 31, 2020, 2019 and 2018 amounted to $14.8 million, $14.8 million and $13.3 million, respectively. For additional information and future minimum obligations under all non-cancelable leases, refer to Note 7, "Leases."

The entire disclosure for significant arrangements with third parties, which includes operating lease arrangements and arrangements in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services, and operating lease arrangements. Descriptions may include identification of the specific goods and services, period of time covered, minimum quantities and amounts, and cancellation rights.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-URI http://asc.fasb.org/topic&trid=2144648

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