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COMMITMENTS AND CONTINGENCIES (Commitments Without Recorded Liability) (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Reserve for Unfunded Loan Commitments | $ 12,100,000 |  | $ 13,300,000
Mortgage loan applications, day interest rate is locked | 45 days |  |
Minimum [Member] |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Mortgage loan applications, day interest rate is locked | 30 days |  |
Maximum [Member] |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Mortgage loan applications, day interest rate is locked | 60 days |  |
Commitments to Extend Credit [Member] |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Contract or Notional Amount | $ 3,357,135,000 |  | 3,207,072,000
Financial Standby Letter of Credit [Member] |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Contract or Notional Amount | 21,493,000 |  | 18,415,000
Loan Origination Commitments [Member] |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Contract or Notional Amount | 134,759,000 |  | 101,426,000
Risk Participation Agreement [Member] |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Contract or Notional Amount | 40,789,000 |  | 40,949,000
Loans Held for Sale Origination Commitments [Member] |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Contract or Notional Amount | 165,236,000 |  | 169,653,000
Commitments to Sell Loans Secured by one to four Residential Properties [Member] |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Contract or Notional Amount | 82,963,000 |  | 79,414,000
Counterparty default losses on forward contracts | 0 | $ 0 |
Commitments to Sell Mortgage Backed Securities [Member] |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Contract or Notional Amount | 199,500,000 |  | 204,000,000
Amount funded out of a total commitment to invest [Member] |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Other Commitment | 4,200,000 |  | 2,800,000
Amount unfunded out of a total commitment to invest [Member] |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Other Commitment | $ 5,800,000 |  | $ 7,200,000

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- Definition Unfunded Loan Commitments + References No definition available. + Details
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- Definition The face amount of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The amount of the loss on termination of a contract for default. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=115993466&loc=d3e52595-109384 + Details
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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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