FAIR VALUE MEASURES (Tables)

12 Months Ended

Dec. 31, 2024

Fair Value Disclosures [Abstract]

Schedule of Loans Held For Sale Fair Value

The Company's loans held for sale under the fair value option are comprised of the following:

	December 31,
(dollars in thousands)	2024		2023
Mortgage loans held for sale	$	528,599	$	281,332
SBA loans held for sale	—		—
Total loans held for sale	$	528,599	$	281,332

Schedule of Difference Between Fair Value and Principal Balance for Mortgage Loans Held for Sale Measured at Fair Value

The following table summarizes the difference between the fair value and the principal balance for mortgage loans held for sale measured at fair value as of December 31, 2024 and 2023.

	December 31,
(dollars in thousands)	2024		2023
Aggregate fair value of mortgage loans held for sale	$	528,599	$	281,332
Aggregate unpaid principal balance of mortgage loans held for sale	525,071		273,915
Past due loans of 90 days or more	—		781
Nonaccrual loans	—		781
Unpaid principal balance of nonaccrual loans	—		774

Schedule of Fair Value Measurements of Assets and Liabilities Measured on Recurring Basis

The following table presents the fair value measurements of assets and liabilities measured at fair value on a recurring basis and the level within the fair value hierarchy in which the fair value measurements fall as of December 31, 2024 and 2023.

	Recurring Basis Fair Value Measurements December 31, 2024
(dollars in thousands)	Fair Value		Level 1		Level 2		Level 3
Financial assets:
U.S. Treasuries	$	796,464	$	796,464	$	—	$	—
U.S. government-sponsored agencies	994		—		994		—
State, county and municipal securities	24,740		—		24,740		—
Corporate debt securities	10,283		—		9,263		1,020
SBA pool securities	70,482		—		70,482		—
Mortgage-backed securities	768,297		—		768,297		—
Loans held for sale	528,599		—		528,599		—
Derivative financial instruments	8,717		—		8,717		—
Mortgage banking derivative instruments	7,299		—		7,299		—
Total recurring assets at fair value	$	2,215,875	$	796,464	$	1,418,391	$	1,020
Financial liabilities:
Derivative financial instruments	$	8,718	$	—	$	8,718	$	—
Risk participation agreement	13		—		13		—
Total recurring liabilities at fair value	$	8,731	$	—	$	8,731	$	—

	Recurring Basis Fair Value Measurements December 31, 2023
(dollars in thousands)	Fair Value		Level 1		Level 2		Level 3
Financial assets:
U.S. Treasuries	$	720,877	$	720,877	$	—	$	—
U.S. government-sponsored agencies	985		—		985		—
State, county and municipal securities	28,051		—		28,051		—
Corporate debt securities	10,027		—		9,037		990
SBA pool securities	51,516		—		51,516		—
Mortgage-backed securities	591,488		—		591,488		—
Loans held for sale	281,332		—		281,332		—
Derivative financial instruments	5,937		—		5,937		—
Mortgage banking derivative instruments	3,636		—		3,636		—
Total recurring assets at fair value	$	1,693,849	$	720,877	$	971,982	$	990
Financial liabilities:
Derivative financial instruments	$	6,203	$	—	$	6,203	$	—
Risk participation agreement	65		—		65		—
Mortgage banking derivative instruments	5,790		—		5,790		—
Total recurring liabilities at fair value	$	12,058	$	—	$	12,058	$	—

Schedule of Fair Value Measurements of Assets Measured at Fair Value on Non-Recurring Basis

The following table presents the fair value measurements of assets measured at fair value on a non-recurring basis, as well as the general classification of such instruments pursuant to the valuation hierarchy as of December 31, 2024 and 2023.

	Nonrecurring Basis Fair Value Measurements
(dollars in thousands)	Fair Value		Level 1		Level 2		Level 3
December 31, 2024
Collateral-dependent loans	$	45,697	$	—	$	—	$	45,697
Other real estate owned	1,010		—		—		1,010
Total nonrecurring assets at fair value	$	46,707	$	—	$	—	$	46,707
December 31, 2023
Collateral-dependent loans	$	36,978	$	—	$	—	$	36,978
Other real estate owned	5,324		—		—		5,324
Total nonrecurring assets at fair value	$	42,302	$	—	$	—	$	42,302

Schedule of Significant Unobservable Inputs Used in Fair Value Measurement of Level 3 Assets and Liabilities

The following table shows significant unobservable inputs used in the fair value measurement of Level 3 assets.

(dollars in thousands)	Fair Value		Valuation Technique	Unobservable Inputs	Range of Discounts	Weighted Average Discount
As of December 31, 2024
Recurring:
Debt securities available-for-sale	$	1,020	Discounted cash flows	Probability of Default	10.3%	10.3%
				Loss Given Default	45%	45%
Nonrecurring:
Collateral-dependent loans	$	45,697	Third-party appraisals and discounted cash flows	Collateral discounts and discount rates	15% - 60%	30%
Other real estate owned	$	1,010	Third party appraisals and sales contracts	Collateral discounts and estimated costs to sell	15% - 44%	26.8%
As of December 31, 2023
Recurring:
Debt securities available-for-sale	$	990	Discounted cash flows	Probability of Default	11%	11%
				Loss Given Default	42%	42%
Nonrecurring:
Collateral-dependent loans	$	36,978	Third-party appraisals and discounted cash flows	Collateral discounts and discount rates	11% - 60%	28%
Other real estate owned	$	5,324	Third party appraisals and sales contracts	Collateral discounts and estimated costs to sell	15% - 33%	22%

Schedule of Carrying Amount and Estimated Fair Value of Financial Instruments

The carrying amount and estimated fair value of the Company’s financial instruments, not shown elsewhere in these financial statements, were as follows.

			Fair Value Measurements December 31, 2024
(dollars in thousands)	Carrying Amount		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and due from banks	$	244,980	$	244,980	$	—	$	—	$	244,980
Interest-bearing deposits in banks	975,397		975,397		—		—		975,397
Debt securities held-to-maturity	164,677		—		144,028		—		144,028
Loans, net	20,356,125		—		—		19,882,553		19,882,553
Financial liabilities:
Deposits	21,722,448		—		21,721,421		—		21,721,421
Other borrowings	291,788		—		291,213		—		291,213
Subordinated deferrable interest debentures	132,309		—		142,202		—		142,202

			Fair Value Measurements December 31, 2023
(dollars in thousands)	Carrying Amount		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and due from banks	$	230,470	$	230,470	$	—	$	—	$	230,470
Interest-bearing deposits in banks	936,834		936,834		—		—		936,834
Debt securities held-to-maturity	141,512		—		122,731				122,731
Loans, net	19,925,225		—		—		19,332,899		19,332,899
Financial liabilities:
Deposits	20,708,509		—		20,707,463		—		20,707,463
Other borrowings	509,586		—		501,723		—		501,723
Subordinated deferrable interest debentures	130,315		—		141,407		—		141,407