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Derivative Financial Instruments - Interest Rate Swaps Designated as Cash Flow Hedges (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Derivative [Line Items] |  |  |
Notional amount | $ 4,000 |  | $ 4,000
Balances carried in AOCI [Abstract] |  |  |
Interest Expense | 6,035 | $ 7,438 |
Interest rate swap |  |  |
Derivative [Line Items] |  |  |
Notional amount | 300,000 |  |
Cash Flow Hedging | Interest rate swap |  |  |
Derivative [Line Items] |  |  |
Notional amount | 350,000 |  | 50,000
Gross aggregate fair value of the swaps |  |  |
Gross aggregate fair value of swap assets | 835 |  |
Gross aggregate fair value of swap liabilities | 8,772 |  | 958
Balances carried in AOCI [Abstract] |  |  |
Unrealized gains (losses) on cash flow hedges, net of tax | (5,887) |  | (685)
Unrealized loss to be reclassified from OCI to interest expense during next twelve months | (400) |  |
Interest income (expense) on swap transactions | 500 | $ (278) |
Cash Flow Hedging | Interest rate swap | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Balances carried in AOCI [Abstract] |  |  |
Interest Expense | 100 |  |
Cash Flow Hedging | Debt Swap |  |  |
Derivative [Line Items] |  |  |
Notional amount | $ 50,000 |  | $ 50,000
Weighted average fixed interest rates | 1.79% |  | 1.79%
Weighted average variable interest rates | 0.83% |  | 0.20%
Weighted average maturity in years | 2 years 5 months 15 days |  | 2 years 8 months 15 days
Cash Flow Hedging | Loan Swap |  |  |
Derivative [Line Items] |  |  |
Notional amount | $ 300,000 |  |
Weighted average fixed interest rates | 4.81% |  |
Weighted average variable interest rates | 3.40% |  |
Weighted average maturity in years | 6 years 10 months 6 days |  |

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