Fair Value (Tables)

6 Months Ended

Jun. 30, 2026

Fair Value Disclosures [Abstract]

Fair Value Assets and Liabilities Measured on Recurring Basis

The following tables present fair values for assets and liabilities measured at fair value on a recurring basis:


		As of June 30, 2026
		Level 1				Level 2				Level 3				Total
		(Dollars in thousands)
Assets:
Available for sale securities:
Corporate debt securities		$	—			$	10,685			$	—			$	10,685
Collateralized mortgage obligations			—				202,475				—				202,475
Mortgage-backed securities			—				132,863				—				132,863
Derivative financial instruments:
Interest rate lock commitments		$	—			$	250			$	—			$	250
Forward mortgage-backed securities trades			—				35				—				35
Loan customer counterparty			—				216				—				216
Financial institution counterparty			—				208				—				208
Liabilities:
Derivative financial instruments:
Interest rate lock commitments		$	—			$	—			$	—			$	—
Forward mortgage-backed securities trades			—				43				—				43
Loan customer counterparty			—				223				—				223
Financial institution counterparty			—				203				—				203


		As of December 31, 2025
		Level 1				Level 2				Level 3				Total
		(Dollars in thousands)
Assets:
Available for sale securities:
Corporate debt securities		$	—			$	10,453			$	—			$	10,453
Collateralized mortgage obligations			—				207,444				—				207,444
Mortgage-backed securities			—				120,300				—				120,300
Derivative financial instruments:
Interest rate lock commitments		$	—			$	192			$	—			$	192
Forward mortgage-backed securities trades			—				6				—				6
Loan customer counterparty			—				—				—				—
Financial institution counterparty			—				778				—				778
Liabilities:
Derivative financial instruments:
Interest rate lock commitments		$	—			$	—			$	—			$	—
Forward mortgage-backed securities trades			—				50				—				50
Loan customer counterparty			—				782				—				782
Financial institution counterparty			—				—				—				—

Summary of Carrying and Fair Value Information of Financial Instruments

The following tables present carrying and fair value information of financial instruments as of the dates indicated:


		As of June 30, 2026
		Carrying				Estimated Fair Value
		Amount				Level 1				Level 2				Level 3				Total
		(Dollars in thousands)
Assets
Cash and due from banks		$	1,683,062			$	1,683,062			$	—			$	—			$	1,683,062
Federal funds sold			194				194				—				—				194
Held to maturity securities			11,993,057				—				11,101,302				—				11,101,302
Loans held for sale			18,656				—				18,656				—				18,656
Loans held for investment, net of allowance			23,336,345				—				—				22,722,420				22,722,420
Loans held for investment - Warehouse Purchase Program			1,290,156				—				1,290,156				—				1,290,156
Other real estate owned			11,296				—				11,296				—				11,296
Liabilities
Deposits:
Noninterest-bearing		$	10,739,937			$	—			$	10,739,937			$	—			$	10,739,937
Interest-bearing			21,859,750				—				21,841,062				—				21,841,062
Other borrowings			2,400,000				—				2,400,000				—				2,400,000
Securities sold under repurchase agreements			199,576				—				199,576				—				199,576
Subordinated notes			70,000				—				70,000				—				70,000


		As of December 31, 2025
		Carrying				Estimated Fair Value
		Amount				Level 1				Level 2				Level 3				Total
		(Dollars in thousands)
Assets
Cash and due from banks		$	1,747,511			$	1,747,511			$	—			$	—			$	1,747,511
Federal funds sold			217				217				—				—				217
Held to maturity securities			10,275,228				—				9,433,365				—				9,433,365
Loans held for sale			14,155				—				14,155				—				14,155
Loans held for investment, net of allowance			20,152,673				—				—				19,342,602				19,342,602
Loans held for investment - Warehouse Purchase Program			1,304,798				—				1,304,798				—				1,304,798
Other real estate owned			13,296				—				13,296				—				13,296
Liabilities
Deposits:
Noninterest-bearing		$	9,467,911			$	—			$	9,467,911			$	—			$	9,467,911
Interest-bearing			19,014,573				—				19,001,946				—				19,001,946
Other borrowings			1,950,000				—				1,950,000				—				1,950,000
Securities sold under repurchase agreements			201,216				—				201,216				—				201,216