Short-Term Borrowings - Short-term borrowings (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Short-Term Borrowings.
Weighted average interest rates of short-term borrowings	2.16%	0.02%
Short-term borrowings average	$ 181.1	$ 145.3
Maximum amounts outstanding of short-term borrowing	$ 317.7	$ 184.2

Weighted average interest rate of short-term debt outstanding calculated at point in time.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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