Derivative Financial Instruments - Derivative and Nonderivative Hedging Instrument Fair Value Disclosure (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Asset Derivatives [Abstract]
Total asset derivatives	$ 52,000	$ 4,297,000
Liability Derivatives [Abstract]
Net Amount	2,584,000	106,000
Net Amount	0	4,241,000
Cash Collateral Received	0	0
Gross Amounts of Recognized Assets Presented in the Consolidated Balance Sheets	52,000	4,297,000
Gross Amounts of Recognized Liabilities Presented in the Consolidated Balance Sheets	2,636,000	162,000
Designated as Hedging Instrument [Member] \| Other Current Assets [Member] \| Interest Rate Swap [Member]
Asset Derivatives [Abstract]
Interest rate swap contracts	0	174,000
Designated as Hedging Instrument [Member] \| Other Current Assets [Member] \| Interest Rate Cap [Member]
Asset Derivatives [Abstract]
Interest rate cap contracts	0	1,000
Designated as Hedging Instrument [Member] \| Other Current Assets [Member] \| Currency Swap [Member]
Asset Derivatives [Abstract]
Cross currency swap contracts	0	1,156,000
Designated as Hedging Instrument [Member] \| Other Noncurrent Assets [Member] \| Currency Swap [Member]
Asset Derivatives [Abstract]
Cross currency swap contracts	0	2,870,000
Designated as Hedging Instrument [Member] \| Other Current Liabilities [Member] \| Interest Rate Swap [Member]
Liability Derivatives [Abstract]
Interest Rate Derivative Liabilities, at Fair Value	1,025,000	0
Designated as Hedging Instrument [Member] \| Other Noncurrent Liabilities [Member] \| Interest Rate Swap [Member]
Liability Derivatives [Abstract]
Interest Rate Derivative Liabilities, at Fair Value	957,000	0
Designated as Hedging Instrument [Member] \| Other Noncurrent Liabilities [Member] \| Currency Swap [Member]
Asset Derivatives [Abstract]
Cross currency swap contracts	526,000	0
Not Designated as Hedging Instrument [Member]
Liability Derivatives [Abstract]
Total liability derivatives	2,636,000	162,000
Not Designated as Hedging Instrument [Member] \| Other Current Assets [Member]
Asset Derivatives [Abstract]
Foreign exchange forward contracts	52,000	$ 96,000
Not Designated as Hedging Instrument [Member] \| Other Current Liabilities [Member]
Liability Derivatives [Abstract]
Total liability derivatives	$ 128,000

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

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