Securities (Tables)

12 Months Ended

Dec. 31, 2024

Gain (Loss) on Securities [Line Items]

Summary of Investments

The following tables present the amortized cost, gross unrealized holding gains, gross unrealized holding losses, ACL on securities and fair value of securities by major security type and class of security:

(Dollars in thousands)
December 31, 2024	Amortized Cost	Unrealized Gains	Unrealized Losses	ACL	Fair Value
Available for Sale Debt Securities:
Obligations of U.S. government agencies and U.S. government-sponsored enterprises	$41,751	$—	($3,139)	$—	$38,612
Mortgage-backed securities issued by U.S. government agencies and U.S. government-sponsored enterprises	984,546	52	(129,451)	—	855,147
Obligations of states and political subdivisions	650	5	—	—	655
Individual name issuer trust preferred debt securities	9,414	—	(193)	—	9,221
Corporate bonds	13,196	—	(526)	—	12,670
Total available for sale debt securities	$1,049,557	$57	($133,309)	$—	$916,305

(Dollars in thousands)
December 31, 2023	Amortized Cost	Unrealized Gains	Unrealized Losses	ACL	Fair Value
Available for Sale Debt Securities:
Obligations of U.S. government-sponsored enterprises	$250,450	$15	($24,723)	$—	$225,742
Mortgage-backed securities issued by U.S. government agencies and U.S. government-sponsored enterprises	879,597	246	(125,887)	—	753,956
Individual name issuer trust preferred debt securities	9,400	—	(607)	—	8,793
Corporate bonds	13,182	—	(1,293)	—	11,889
Total available for sale debt securities	$1,152,629	$261	($152,510)	$—	$1,000,380

Proceeds from Sales and Gross Realized Gains and Losses

The following table summarizes amounts related to the sale of available for debt securities:

(Dollars in thousands)
For the periods ended December 31,	2024	2023	2022
Proceeds from sales	$378,410	$—	$—
Gross realized gains	$—	$—	$—
Gross realized losses	(31,047)	—	—
Net realized losses on securities	($31,047)	$—	$—

Securities by Contractual Maturity

The schedule of maturities of available for sale debt securities is presented below. Mortgage-backed securities are included based on weighted average maturities, adjusted for anticipated prepayments.  All other debt securities are included based on contractual maturities.  Actual maturities may differ from amounts presented because certain issuers have the right to call or prepay obligations with or without call or prepayment penalties.

(Dollars in thousands)
December 31, 2024	Amortized Cost	Fair Value
Due in one year or less	$73,288	$63,717
Due after one year to five years	306,246	269,810
Due after five years to ten years	244,841	212,662
Due after ten years	425,182	370,116
Total securities	$1,049,557	$916,305

Securities in a Continuous Unrealized Loss Position

The following tables summarize available for sale debt securities in an unrealized loss position, for which an ACL on securities has not been recorded, segregated by length of time that the securities have been in a continuous unrealized loss position:

(Dollars in thousands)	Less than 12 Months			12 Months or Longer			Total
December 31, 2024	#	Fair Value	Unrealized Losses	#	Fair Value	Unrealized Losses	#	Fair Value	Unrealized Losses
Obligations of U.S. government agencies and U.S. government-sponsored enterprises	2	$15,289	($12)	6	$23,323	($3,127)	8	$38,612	($3,139)
Mortgage-backed securities issued by U.S. government agencies and U.S. government-sponsored enterprises	57	384,164	(3,632)	93	466,741	(125,819)	150	850,905	(129,451)
Individual name issuer trust preferred debt securities	—	—	—	3	9,221	(193)	3	9,221	(193)
Corporate bonds	—	—	—	4	12,670	(526)	4	12,670	(526)
Total temporarily impaired securities	59	$399,453	($3,644)	106	$511,955	($129,665)	165	$911,408	($133,309)

(Dollars in thousands)	Less than 12 Months			12 Months or Longer			Total
December 31, 2023	#	Fair Value	Unrealized Losses	#	Fair Value	Unrealized Losses	#	Fair Value	Unrealized Losses
Obligations of U.S. government-sponsored enterprises	1	$19,824	($176)	20	$195,903	($24,547)	21	$215,727	($24,723)
Mortgage-backed securities issued by U.S. government agencies and U.S. government-sponsored enterprises	8	43,887	(262)	154	698,115	(125,625)	162	742,002	(125,887)
Individual name issuer trust preferred debt securities	—	—	—	3	8,793	(607)	3	8,793	(607)
Corporate bonds	—	—	—	4	11,889	(1,293)	4	11,889	(1,293)
Total temporarily impaired securities	9	$63,711	($438)	181	$914,700	($152,072)	190	$978,411	($152,510)