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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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Fair value of financial and nonfinancial obligations.

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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FAIR VALUE OF FINANCIAL INSTRUMENTS (Fair Value By Balance Sheet Location) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Assets:
Trading Securities, Fair Value	$ 28,694	$ 26,981
Securities—available-for-sale	2,789,031	3,638,993
Loans Held-for-sale, Fair Value	51,779	39,775
Fair Value, Recurring [Member]
Assets:
Securities—available-for-sale	2,789,031	3,638,993
Assets, Fair Value Disclosure	2,853,326	3,739,548
Liabilities:
Junior subordinated debentures at fair value	74,857	119,815
Financial and Nonfinancial Liabilities, Fair Value Disclosure	112,192	131,570
Fair Value, Recurring [Member] \| Interest Rate Swap [Member]
Assets:
Derivatives	19,339	20,826
Liabilities:
Derivatives	37,150	11,615
Fair Value, Recurring [Member] \| Interest Rate Contract [Member]
Assets:
Derivatives	142	1,555
Liabilities:
Derivatives	118	140
Fair Value, Recurring [Member] \| Credit Risk Contract
Liabilities:
Derivatives	67
Fair Value, Recurring [Member] \| TPS and TRUP CDOs [Member]
Assets:
Trading Securities, Fair Value	28,694	26,981
Fair Value, Recurring [Member] \| U.S. Government and agency obligations
Assets:
Securities—available-for-sale	55,108	201,332
Fair Value, Recurring [Member] \| Municipal bonds
Assets:
Securities—available-for-sale	261,209	308,612
Fair Value, Recurring [Member] \| Corporate bonds
Assets:
Securities—available-for-sale	121,853	117,347
Fair Value, Recurring [Member] \| Mortgage Backed Securities, Other [Member]
Assets:
Securities—available-for-sale	2,139,336	2,805,268
Fair Value, Recurring [Member] \| Asset-backed securities
Assets:
Securities—available-for-sale	211,525	206,434
Fair Value, Recurring [Member] \| Loans [Member]
Assets:
Loans Held-for-sale, Fair Value	2,305	39,775
Fair Value, Recurring [Member] \| Securities (Assets) [Member]
Assets:
Equity Securities, FV-NI	553
Fair Value, Recurring [Member] \| SBA Servicing Asset
Assets:
SBA servicing asset	835	1,161
Fair Value, Recurring [Member] \| Investment in Limited Partnerships
Assets:
Investments in limited partnerships	12,427	10,257
Fair Value, Recurring [Member] \| Level 1 [Member]
Assets:
Securities—available-for-sale	0	0
Assets, Fair Value Disclosure	553	0
Liabilities:
Junior subordinated debentures at fair value	0	0
Financial and Nonfinancial Liabilities, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] \| Level 1 [Member] \| Interest Rate Swap [Member]
Assets:
Derivatives	0	0
Liabilities:
Derivatives	0	0
Fair Value, Recurring [Member] \| Level 1 [Member] \| Interest Rate Contract [Member]
Assets:
Derivatives	0	0
Liabilities:
Derivatives	0	0
Fair Value, Recurring [Member] \| Level 1 [Member] \| Credit Risk Contract
Liabilities:
Derivatives	0
Fair Value, Recurring [Member] \| Level 1 [Member] \| TPS and TRUP CDOs [Member]
Assets:
Trading Securities, Fair Value	0	0
Fair Value, Recurring [Member] \| Level 1 [Member] \| U.S. Government and agency obligations
Assets:
Securities—available-for-sale	0	0
Fair Value, Recurring [Member] \| Level 1 [Member] \| Municipal bonds
Assets:
Securities—available-for-sale	0	0
Fair Value, Recurring [Member] \| Level 1 [Member] \| Corporate bonds
Assets:
Securities—available-for-sale	0	0
Fair Value, Recurring [Member] \| Level 1 [Member] \| Mortgage Backed Securities, Other [Member]
Assets:
Securities—available-for-sale	0	0
Fair Value, Recurring [Member] \| Level 1 [Member] \| Asset-backed securities
Assets:
Securities—available-for-sale	0	0
Fair Value, Recurring [Member] \| Level 1 [Member] \| Loans [Member]
Assets:
Loans Held-for-sale, Fair Value	0	0
Fair Value, Recurring [Member] \| Level 1 [Member] \| Securities (Assets) [Member]
Assets:
Equity Securities, FV-NI	553
Fair Value, Recurring [Member] \| Level 1 [Member] \| SBA Servicing Asset
Assets:
SBA servicing asset	0	0
Fair Value, Recurring [Member] \| Level 1 [Member] \| Investment in Limited Partnerships
Assets:
Investments in limited partnerships	0	0
Fair Value, Recurring [Member] \| Level 2 [Member]
Assets:
Securities—available-for-sale	2,789,031	3,638,993
Assets, Fair Value Disclosure	2,810,736	3,699,682
Liabilities:
Junior subordinated debentures at fair value	0	0
Financial and Nonfinancial Liabilities, Fair Value Disclosure	37,293	11,755
Fair Value, Recurring [Member] \| Level 2 [Member] \| Interest Rate Swap [Member]
Assets:
Derivatives	19,339	20,826
Liabilities:
Derivatives	37,150	11,615
Fair Value, Recurring [Member] \| Level 2 [Member] \| Interest Rate Contract [Member]
Assets:
Derivatives	61	88
Liabilities:
Derivatives	76	140
Fair Value, Recurring [Member] \| Level 2 [Member] \| Credit Risk Contract
Liabilities:
Derivatives	67
Fair Value, Recurring [Member] \| Level 2 [Member] \| TPS and TRUP CDOs [Member]
Assets:
Trading Securities, Fair Value	0	0
Fair Value, Recurring [Member] \| Level 2 [Member] \| U.S. Government and agency obligations
Assets:
Securities—available-for-sale	55,108	201,332
Fair Value, Recurring [Member] \| Level 2 [Member] \| Municipal bonds
Assets:
Securities—available-for-sale	261,209	308,612
Fair Value, Recurring [Member] \| Level 2 [Member] \| Corporate bonds
Assets:
Securities—available-for-sale	121,853	117,347
Fair Value, Recurring [Member] \| Level 2 [Member] \| Mortgage Backed Securities, Other [Member]
Assets:
Securities—available-for-sale	2,139,336	2,805,268
Fair Value, Recurring [Member] \| Level 2 [Member] \| Asset-backed securities
Assets:
Securities—available-for-sale	211,525	206,434
Fair Value, Recurring [Member] \| Level 2 [Member] \| Loans [Member]
Assets:
Loans Held-for-sale, Fair Value	2,305	39,775
Fair Value, Recurring [Member] \| Level 2 [Member] \| Securities (Assets) [Member]
Assets:
Equity Securities, FV-NI	0
Fair Value, Recurring [Member] \| Level 2 [Member] \| SBA Servicing Asset
Assets:
SBA servicing asset	0	0
Fair Value, Recurring [Member] \| Level 2 [Member] \| Investment in Limited Partnerships
Assets:
Investments in limited partnerships	0	0
Fair Value, Recurring [Member] \| Level 2 [Member] \| Residential Mortgage
Liabilities:
Loans held-for-sale, fair value disclosure, unpaid principal balance	2,200	38,600
Fair Value, Recurring [Member] \| Level 3 [Member]
Assets:
Securities—available-for-sale	0	0
Assets, Fair Value Disclosure	42,037	39,866
Liabilities:
Junior subordinated debentures at fair value	74,857	119,815
Financial and Nonfinancial Liabilities, Fair Value Disclosure	74,899	119,815
Fair Value, Recurring [Member] \| Level 3 [Member] \| Interest Rate Swap [Member]
Assets:
Derivatives	0	0
Liabilities:
Derivatives	0	0
Fair Value, Recurring [Member] \| Level 3 [Member] \| Interest Rate Contract [Member]
Assets:
Derivatives	81	1,467	$ 5,221
Liabilities:
Derivatives	42	0
Fair Value, Recurring [Member] \| Level 3 [Member] \| Credit Risk Contract
Liabilities:
Derivatives	0
Fair Value, Recurring [Member] \| Level 3 [Member] \| TPS and TRUP CDOs [Member]
Assets:
Trading Securities, Fair Value	28,694	26,981
Fair Value, Recurring [Member] \| Level 3 [Member] \| U.S. Government and agency obligations
Assets:
Securities—available-for-sale	0	0
Fair Value, Recurring [Member] \| Level 3 [Member] \| Municipal bonds
Assets:
Securities—available-for-sale	0	0
Fair Value, Recurring [Member] \| Level 3 [Member] \| Corporate bonds
Assets:
Securities—available-for-sale	0	0
Fair Value, Recurring [Member] \| Level 3 [Member] \| Mortgage Backed Securities, Other [Member]
Assets:
Securities—available-for-sale	0	0
Fair Value, Recurring [Member] \| Level 3 [Member] \| Asset-backed securities
Assets:
Securities—available-for-sale	0	0
Fair Value, Recurring [Member] \| Level 3 [Member] \| Loans [Member]
Assets:
Loans Held-for-sale, Fair Value	0	0
Fair Value, Recurring [Member] \| Level 3 [Member] \| Securities (Assets) [Member]
Assets:
Equity Securities, FV-NI	0
Fair Value, Recurring [Member] \| Level 3 [Member] \| SBA Servicing Asset
Assets:
SBA servicing asset	835	1,161
Fair Value, Recurring [Member] \| Level 3 [Member] \| Investment in Limited Partnerships
Assets:
Investments in limited partnerships	$ 12,427	$ 10,257