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DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2021
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 4,043,682 | $ 3,711,905
Estimated Fair Value Asset (Liability) | (48,726) | 43,426
Impact of settled to market contracts | 43,000 | 45,700
Interest rate swaps |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | 7,300 |
Cash flow hedges: |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | 400,000 |
Estimated Fair Value Asset (Liability) | (5,555) |
Cash flow hedges: | Interest rate swaps | Commercial loan |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 225,000 |
Weighted Average Maturity (In years) | 2 years 10 months 24 days |
Weighted Average Rate, Received | 2.50% |
Weighted Average Rate, Contract pay rate | 3.25% |
Estimated Fair Value Asset (Liability) | $ (4,740) |
Cash flow hedges: | Forward Starting Interest Rate Swaps | Commercial loan |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 175,000 |
Weighted Average Maturity (In years) | 3 years |
Weighted Average Rate, Received | 0.00% |
Weighted Average Rate, Contract pay rate | 3.84% |
Estimated Fair Value Asset (Liability) | $ (815) |
Economic hedges: | Cash flow hedges: | Interest rate swaps |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | 400,000 |
Economic hedges: | Economic hedges |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | 3,640,550 | 3,703,713
Estimated Fair Value Asset (Liability) | (43,187) | 43,302
Economic hedges: | Economic hedges | Interest rate swaps |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | 3,300,000 |
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 | $ 7,270 | $ 7,879
Weighted Average Maturity (In years) | 7 years 4 months 24 days | 7 years 10 months 24 days
Weighted Average Rate, Received | 5.09% | 0.47%
Weighted Average Rate, Contract pay rate | 4.25% | 5.09%
Estimated Fair Value Asset (Liability) | $ (205) | $ (1,158)
Economic hedges: | Economic hedges | Interest rate swaps | Commercial loan |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 1,653,839 | $ 1,684,238
Weighted Average Maturity (In years) | 5 years 9 months 18 days | 5 years 9 months 18 days
Weighted Average Rate, Received | 3.98% | 3.99%
Weighted Average Rate, Contract pay rate | 4.26% | 1.91%
Estimated Fair Value Asset (Liability) | $ (95,836) | $ 74,348
Economic hedges: | Economic hedges | Reverse interest rate swaps | Commercial loan |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 1,653,839 | $ 1,684,238
Weighted Average Maturity (In years) | 5 years 9 months 18 days | 5 years 9 months 18 days
Weighted Average Rate, Received | 4.26% | 1.91%
Weighted Average Rate, Contract pay rate | 3.98% | 3.99%
Estimated Fair Value Asset (Liability) | $ 52,834 | $ (30,454)
Economic hedges: | Economic hedges | Risk participation agreements with dealer banks |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 325,063 | $ 320,981
Weighted Average Maturity (In years) | 6 years 10 months 24 days | 5 years 9 months 18 days
Estimated Fair Value Asset (Liability) | $ 13 | $ 432
Economic hedges: | Economic hedges | Forward sale commitments |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 539 | $ 6,377
Weighted Average Maturity (In years) | 2 months 12 days | 2 months 12 days
Estimated Fair Value Asset (Liability) | $ 7 | $ 134
Non-hedging derivatives: |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | 3,132 | 8,192
Estimated Fair Value Asset (Liability) | 16 | 124
Non-hedging derivatives: | Commitments to lend |  |
Interest rate swap agreements and non-hedging derivative assets and liabilities |  |
Notional Amount | $ 3,132 | $ 8,192
Weighted Average Maturity (In years) | 2 months 12 days | 2 months 12 days
Estimated Fair Value Asset (Liability) | $ 16 | $ 124

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