Derivative Financial Instruments (Schedule of Interest Rate Derivatives) (Details) - HBB - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Interest rate swaps, Extending to January 2020
Derivative [Line Items]
Notional Amount	$ 20.0	$ 20.0
Average Fixed Rate	1.40%	1.40%
Interest rate swaps, Extending To January 2024
Derivative [Line Items]
Notional Amount	$ 15.0	$ 15.0
Average Fixed Rate	1.60%	1.60%
Delayed start interest rate swaps, Extending to January 2024
Derivative [Line Items]
Notional Amount	$ 10.0	$ 10.0
Average Fixed Rate	1.70%	1.70%

Nominal or face amount used to calculate payment on derivative.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

Name:	us-gaap_DerivativeNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant