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DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 4,539,818 | $ 4,524,514
Estimated Fair Value Asset (Liability) | (41,920) | (43,167)
Impact of settled to market contracts | 31,000 | 38,300
Interest rate swaps |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | 6,600 |
Cash flow hedges |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | 800,000 | 800,000
Estimated Fair Value Asset (Liability) | 1,495 | 1,937
Cash flow hedges | Interest rate swaps | Commercial loan |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 600,000 | $ 400,000
Weighted Average Maturity (In years) | 2 years 4 months 24 days | 2 years 8 months 12 days
Weighted Average Rate, Received | 5.07% | 4.09%
Weighted Average Rate, Contract pay rate | 3.64% | 3.51%
Estimated Fair Value Asset (Liability) | $ 714 | $ 0
Cash flow hedges | Forward starting interest rate swaps | Commercial loan |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount |  | $ 200,000
Weighted Average Maturity (In years) |  | 3 years 3 months 18 days
Weighted Average Rate, Received |  | 0.00%
Weighted Average Rate, Contract pay rate |  | 3.90%
Estimated Fair Value Asset (Liability) |  | $ 0
Cash flow hedges | Interest rate collars | Commercial loan |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 200,000 | $ 200,000
Weighted Average Maturity (In years) | 3 years | 3 years 6 months
Estimated Fair Value Asset (Liability) | $ 781 | $ 1,937
Economic hedges | Cash flow hedges | Interest rate swaps |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | 800,000 |
Economic hedges | Economic hedges |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | 3,730,449 | 3,720,400
Estimated Fair Value Asset (Liability) | (43,452) | (45,121)
Economic hedges | Economic hedges | Interest rate swaps |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | 3,400,000 |
Economic hedges | Economic hedges | Interest rate swaps | Commercial loan |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 1,683,400 | $ 1,685,263
Weighted Average Maturity (In years) | 5 years 3 months 18 days | 5 years 8 months 12 days
Weighted Average Rate, Received | 4.16% | 4.11%
Weighted Average Rate, Contract pay rate | 6.28% | 5.55%
Estimated Fair Value Asset (Liability) | $ (92,320) | $ (95,114)
Economic hedges | Economic hedges | Interest rate swaps | Interest rate swap on tax advantaged economic development bond |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 6,637 | $ 7,062
Weighted Average Maturity (In years) | 6 years 4 months 24 days | 6 years 10 months 24 days
Weighted Average Rate, Received | 4.55% | 4.49%
Weighted Average Rate, Contract pay rate | 5.09% | 5.09%
Estimated Fair Value Asset (Liability) | $ (118) | $ (193)
Economic hedges | Economic hedges | Reverse interest rate swaps | Commercial loan |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 1,683,400 | $ 1,685,263
Weighted Average Maturity (In years) | 5 years 3 months 18 days | 5 years 8 months 12 days
Weighted Average Rate, Received | 6.28% | 5.55%
Weighted Average Rate, Contract pay rate | 4.16% | 4.11%
Estimated Fair Value Asset (Liability) | $ 49,004 | $ 50,267
Economic hedges | Economic hedges | Risk participation agreements with dealer banks |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 348,136 | $ 341,885
Weighted Average Maturity (In years) | 4 years 1 month 6 days | 6 years 7 months 6 days
Estimated Fair Value Asset (Liability) | $ (81) | $ (89)
Economic hedges | Economic hedges | Forward sale commitments |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 8,876 | $ 927
Weighted Average Maturity (In years) | 2 months 12 days | 2 months 12 days
Estimated Fair Value Asset (Liability) | $ 63 | $ 8
Non-hedging derivatives |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | 9,369 | 4,114
Estimated Fair Value Asset (Liability) | 37 | 17
Non-hedging derivatives | Commitments to lend |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 9,369 | $ 4,114
Weighted Average Maturity (In years) | 2 months 12 days | 2 months 12 days
Estimated Fair Value Asset (Liability) | $ 37 | $ 17

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