Securities

Schedule of amortized cost and estimated fair value of securities, by the earlier of contractual maturity or expected maturity


	March 31, 2023
	Amortized
(Dollars in thousands)	Cost		Fair Value
Due in one year or less	$	98,510	$	97,294
Due after one year through five years		212,795		200,849
Due after five years through ten years		216,905		195,248
Due after ten years		23,267		20,234
	$	551,477	$	513,625

Schedule of securities in an unrealized loss position

Securities in an unrealized loss position at March 31, 2023, by duration of the period of the unrealized loss, are shown below.

Less Than 12 Months

12 Months or More

Total

Fair

Unrealized

Fair

Unrealized

Fair

Unrealized

(Dollars in thousands)

Value

Loss

Value

Loss

Value

Loss

U.S. Treasury securities

$

29,234

$

478

$

27,721

$

1,113

$

56,955

$

1,591

U.S. government agencies and corporations

57,986

750

68,110

10,031

126,096

10,781

Mortgage-backed securities

22,434

615

156,393

17,255

178,827

17,870

Obligations of states and political subdivisions

23,694

344

61,672

4,945

85,366

5,289

Corporate and other debt securities

4,948

577

16,097

2,635

21,045

3,212

Total temporarily impaired securities

$

138,296

$

2,764

$

329,993

$

35,979

$

468,289

$

38,743

Securities in an unrealized loss position at December 31, 2022, by duration of the period of the unrealized loss, are shown below.


	Less Than 12 Months				12 Months or More				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(Dollars in thousands)	Value		Loss		Value		Loss		Value		Loss
	$	50,556	$	1,368	$	8,277	$	685	$	58,833	$	2,053
U.S. government agencies and corporations		71,948		1,578		58,326		11,389		130,274		12,967
Mortgage-backed securities		73,301		5,441		104,563		15,099		177,864		20,540
Obligations of states and political subdivisions		60,838		2,434		32,120		4,356		92,958		6,790
Corporate and other debt securities		15,049		1,702		6,681		850		21,730		2,552
Total temporarily impaired securities	$	271,692	$	12,523	$	209,967	$	32,379	$	481,659	$	44,902