Derivatives, Hedging Activities and Balance Sheet Offsetting - Additional Information (Details) - USD ($) |
Mar. 31, 2021 |
Dec. 31, 2020 |
Feb. 29, 2020 |
|---|---|---|---|
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | |||
| Fair value of derivatives in a net liability position, including accrued interest | $ 5,000,000.0 | ||
| Cash collateral paid | 2,140,000 | $ 13,267,000 | |
| Assets needed for immediate settlement, aggregate fair value | 5,000,000.0 | ||
| Designated as Hedging Instrument | |||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | |||
| Derivative, notional amount | 25,373,000 | 25,559,000 | |
| Interest rate swaps | Designated as Hedging Instrument | |||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | |||
| Derivative, notional amount | $ 25,373,000 | $ 25,559,000 | |
| Interest rate swaps | Cash flow hedges | Designated as Hedging Instrument | |||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | |||
| Derivative, notional amount | $ 30,000,000.0 |