Derivatives and Hedging Activities - Agreements with Derivative Counterparties (Details) - Balance Sheet Hedge - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative counterparties collateral	$ 1,200,000	$ 5,300,000
Net Liability Position
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Termination value of derivatives with derivative dealer counterparties	437,000	$ 5,500,000
Net Asset Position
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative counterparties collateral	$ 390,000