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Investment Securities and Other Investments (Tables)

9 Months Ended

Sep. 30, 2025

Schedule of Investments [Abstract]

Summary of Amortized Cost and Fair Values of Investment Securities Available for Sale

The following tables present amortized cost, fair values, and gross unrealized gains and losses of investment securities AFS as of the dates stated.


		September 30, 2025
(Dollars in thousands)		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
Available for sale
Mortgage backed securities		$	219,457			$	406			$	(27,369	)		$	192,494
U.S. Treasury and agencies			78,905				—				(6,866	)			72,039
State and municipal			49,352				1				(5,060	)			44,293
Corporate bonds			34,738				67				(2,277	)			32,528
Total investment securities		$	382,452			$	474			$	(41,572	)		$	341,354


		December 31, 2024
(Dollars in thousands)		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
Available for sale
Mortgage backed securities		$	199,453			$	—			$	(35,015	)		$	164,438
U.S. Treasury and agencies			79,430				—				(9,975	)			69,455
State and municipal			50,233				—				(7,296	)			42,937
Corporate bonds			38,453				—				(3,248	)			35,205
Total investment securities		$	367,569			$	—			$	(55,534	)		$	312,035

Summary of Investments Classified by Contractual Maturity Date

The following table presents the amortized cost and fair value of securities available for sale by contractual maturity as of the date stated. Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.


		September 30, 2025
(Dollars in thousands)		Amortized Cost				Fair Value
Due in one year or less		$	9,890			$	9,721
Due after one year through five years			60,979				57,503
Due after five years through ten years			95,584				85,934
Due after ten years			215,999				188,196
Total		$	382,452			$	341,354

Summary of Unrealized Losses

The following tables present fair values and gross unrealized losses, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, as of the dates stated.


						September 30, 2025
						Less than 12 Months								12 Months or Greater								Total
(Dollars in thousands)		Number of Securities				Fair Value				Unrealized Losses				Fair Value				Unrealized Losses				Fair Value				Unrealized Losses
Mortgage backed securities			82			$	11,218			$	(9	)		$	149,494			$	(27,360	)		$	160,712			$	(27,369	)
U.S. Treasury and agencies			29				—				—				72,039				(6,866	)			72,039				(6,866	)
State and municipal			56				—				—				41,417				(5,060	)			41,417				(5,060	)
Corporate bonds			33				1,298				(100	)			26,448				(2,177	)			27,746				(2,277	)
Total			200			$	12,516			$	(109	)		$	289,398			$	(41,463	)		$	301,914			$	(41,572	)


						December 31, 2024
						Less than 12 Months								12 Months or Greater								Total
(Dollars in thousands)		Number of Securities				Fair Value				Unrealized Losses				Fair Value				Unrealized Losses				Fair Value				Unrealized Losses
Mortgage backed securities			85			$	11,637			$	(107	)		$	152,802			$	(34,908	)		$	164,439			$	(35,015	)
U.S. Treasury and agencies			29				—				—				69,453				(9,975	)			69,453				(9,975	)
State and municipal			70				2,040				(42	)			40,531				(7,254	)			42,571				(7,296	)
Corporate bonds			42				3,803				(21	)			30,653				(3,227	)			34,456				(3,248	)
Total			226			$	17,480			$	(170	)		$	293,439			$	(55,364	)		$	310,919			$	(55,534	)