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Derivative Financial Instruments - Interest Rate Swaps Designated as Cash Flow Hedges (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Derivative [Line Items] |  |  |  |  |
Notional amount | $ 3,946 |  | $ 3,946 |  | $ 3,990
Balances carried in AOCI |  |  |  |  |
Interest Expense | 6,668 | $ 7,146 | 12,703 | $ 14,584 |
Interest rate swap |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount | 300,000 |  | 300,000 |  |
Cash Flow Hedging | Interest rate swap |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount | 350,000 |  | 350,000 |  | 50,000
Gross aggregate fair value of the swaps |  |  |  |  |
Gross aggregate fair value of swap assets | 1,412 |  | 1,412 |  |
Gross aggregate fair value of swap liabilities | 19,296 |  | 19,296 |  | 958
Balances carried in AOCI |  |  |  |  |
Unrealized gains (losses) on cash flow hedges, net of tax |  |  | (12,844) |  | (685)
Unrealized gain (losses) to be reclassified from OCI to interest expense during next three months |  |  | 100 |  |
Interest income (expense) on swap transactions | 567 | $ (288) | 1,067 | $ (566) |
Cash Flow Hedging | Debt Swap |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount | $ 50,000 |  | $ 50,000 |  | $ 50,000
Weighted average fixed interest rates | 1.79% |  | 1.79% |  | 1.79%
Weighted average variable interest rates | 1.83% |  | 1.83% |  | 0.20%
Weighted average maturity in years |  |  | 2 years 2 months 15 days |  | 2 years 8 months 15 days
Cash Flow Hedging | Loan Swap |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount | $ 300,000 |  | $ 300,000 |  |
Weighted average fixed interest rates | 4.45% |  | 4.45% |  |
Weighted average variable interest rates | 4.81% |  | 4.81% |  |
Weighted average maturity in years |  |  | 6 years 7 months 9 days |  |

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