Derivative Instruments and Fair Value of Derivative Assets and Liabilities (Details 1) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Derivative Instruments Financial Information [Abstract]
Gross Amounts of Recognized Assets	$ 80,879	$ 54,765
Gross Amounts Offset in the Consolidated Balance Sheet
Net Amounts Presented in the Consolidated Balance Sheet	80,879	54,765
Derivative Asset, Not Offset, Financial Instruments	(44,893)	(34,935)
Cash Collateral Received	(2,778)	(7,362)
Derivatives Assets, Net Amounts	33,208	12,468
Gross Amounts of Recognized Liabilities	(65,905)	(41,935)
Gross Amounts Offset in the Consolidated Balance Sheet
Net Amounts Presented in the Consolidated Balance Sheet	(65,905)	(41,935)
Derivative Liability, Not Offset, Financial Instruments	44,893	34,935
Cash Collateral Paid	12,272	827
Derivative Liability, Net Amounts	$ (8,740)	$ (6,173)

Derivative Instruments Financial Information [Abstract]

No definition available.

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Fair value of liability associated with 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.

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Fair value of 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, elected not to be offset, deducted from derivative assets.

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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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Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

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