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Fair Value (Tables)

12 Months Ended

Dec. 31, 2025

Fair Value Disclosures [Abstract]

Financial Assets and Liabilities Measured at Fair Value Recurring Basis

The following tables summarize financial assets and financial liabilities measured at fair value on a recurring basis at December 31, 2025 and 2024, segregated by the level of valuation inputs within the fair value hierarchy utilized to measure fair value ($ in thousands). There were no transfers between fair value levels for the years ended December 31, 2025 and 2024.

		December 31, 2025
		Total				Level 1				Level 2				Level 3
U.S. Treasury securities		$	208,948			$	208,948			$	—			$	—
U.S. Government agency obligations			70,849				—				70,849				—
Mortgage-backed securities			1,597,033				—				1,597,033				—
Securities available for sale			1,876,830				208,948				1,667,882				—
LHFS			278,789				—				278,789				—
MSR			131,289				—				—				131,289
Other assets - derivatives			16,235				11				15,226				998
Other liabilities - derivatives			22,832				1,708				21,124				—

		December 31, 2024
		Total				Level 1				Level 2				Level 3
U.S. Treasury securities		$	202,669			$	202,669			$	—			$	—
U.S. Government agency obligations			38,807				—				38,807				—
Mortgage-backed securities			1,451,058				—				1,451,058				—
Securities available for sale			1,692,534				202,669				1,489,865				—
LHFS			200,307				—				200,307				—
MSR			139,317				—				—				139,317
Other assets - derivatives			15,397				18				15,150				229
Other liabilities - derivatives			41,355				2,183				39,172				—

Changes in Level 3 Assets Measured at Fair Value on a Recurring Basis

The changes in Level 3 assets measured at fair value on a recurring basis for the years ended December 31, 2025 and 2024 are summarized as follows ($ in thousands):

		MSR				Other Assets - Derivatives
Balance, January 1, 2025		$	139,317			$	229
Total net (loss) gain included in Mortgage banking, net (1)			(23,080	)			4,234
Additions			15,052				—
Sales			—				(3,465	)
Balance, December 31, 2025		$	131,289			$	998
The amount of total gains (losses) for the period included in earnings that are    attributable to the change in unrealized gains or losses still held at    December 31, 2025		$	(9,840	)		$	5,049
Balance, January 1, 2024		$	131,870			$	845
Total net (loss) gain included in Mortgage banking, net (1)			(5,844	)			2,229
Additions			13,291				—
Sales			—				(2,845	)
Balance, December 31, 2024		$	139,317			$	229
The amount of total gains (losses) for the period included in earnings that are    attributable to the change in unrealized gains or losses still held at    December 31, 2024		$	5,801			$	1,681

(1)Total net (loss) gain included in Mortgage banking, net relating to the MSR includes changes in fair value due to market changes and due to run-off.

Carrying Amounts and Estimated Fair Values of Financial Instruments

The carrying amounts and estimated fair values of financial instruments at December 31, 2025 and 2024 were as follows ($ in thousands):

		December 31, 2025								December 31, 2024
		Carrying  Value				Estimated Fair Value				Carrying Value				Estimated Fair Value
Financial Assets:
Level 2 Inputs:
Cash and short-term investments		$	668,007			$	668,007			$	567,251			$	567,251
Securities held to maturity			1,207,454				1,180,569				1,335,385				1,259,107
Level 3 Inputs:
Net LHFI			13,517,162				13,544,873				12,929,672				12,886,168
Financial Liabilities:
Level 2 Inputs:
Deposits			15,499,784				15,494,681				15,108,175				15,098,854
Federal funds purchased and securities sold under    repurchase agreements			445,000				445,000				324,008				324,008
Other borrowings			364,762				364,762				301,541				301,541
Subordinated notes			171,966				176,750				123,702				120,625
Junior subordinated debt securities			61,856				52,964				61,856				49,794

Fair Value and the Contractual Principal Outstanding of the LHFS

The following table provides information about the fair value and the contractual principal outstanding of the LHFS accounted for under the fair value option at December 31, 2025 and 2024 ($ in thousands):

		December 31,
		2025				2024
Fair value of LHFS		$	142,485			$	102,676
LHFS contractual principal outstanding			143,832				105,322
Fair value less unpaid principal		$	(1,347	)		$	(2,646	)

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Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

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