XML 33 R24.htm IDEA: XBRL DOCUMENT
v3.23.2

Securities (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2023
Securities |
Summary of available for sale debt securities | ​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2023 |
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​ |
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | ​ |
(Dollars in thousands) | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Fair Value |
U.S. Treasury securities | ​ | $ | 53,670 | ​ | $ | — | ​ | $ | (1,652) | ​ | $ | 52,018 | ​
U.S. government agencies and corporations | ​ | ​ | 125,789 | ​ | ​ | — | ​ | ​ | (11,531) | ​ | ​ | 114,258 | ​
Mortgage-backed securities | ​ |  | 191,877 | ​ |  | 64 | ​ |  | (19,545) | ​ |  | 172,396 | ​
Obligations of states and political subdivisions | ​ |  | 136,892 | ​ |  | 425 | ​ |  | (6,411) | ​ |  | 130,906 | ​
Corporate and other debt securities | ​ | ​ | 25,232 | ​ | ​ | — | ​ | ​ | (3,926) | ​ | ​ | 21,306 | ​
​ | ​ | $ | 533,460 | ​ | $ | 489 | ​ | $ | (43,065) | ​ | $ | 490,884 | ​
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022 |
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​ |
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | ​ |
(Dollars in thousands) | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Fair Value |
U.S. Treasury securities | ​ | $ | 60,886 | ​ | $ | — | ​ | $ | (2,053) | ​ | $ | 58,833 | ​
U.S. government agencies and corporations | ​ | ​ | 143,241 | ​ | ​ | — | ​ | ​ | (12,967) | ​ | ​ | 130,274 | ​
Mortgage-backed securities | ​ |  | 200,393 | ​ |  | 65 | ​ |  | (20,540) | ​ |  | 179,918 | ​
Obligations of states and political subdivisions | ​ |  | 127,317 | ​ |  | 300 | ​ |  | (6,790) | ​ |  | 120,827 | ​
Corporate and other debt securities | ​ |  | 25,291 | ​ |  | — | ​ |  | (2,552) | ​ |  | 22,739 | ​
​ | ​ | $ | 557,128 | ​ | $ | 365 | ​ | $ | (44,902) | ​ | $ | 512,591 | ​
Schedule of amortized cost and estimated fair value of securities, by the earlier of contractual maturity or expected maturity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2023 |
​ |  | Amortized |  | ​ |
(Dollars in thousands) | ​ | Cost | ​ | Fair Value |
Due in one year or less | ​ | $ | 105,361 | ​ | $ | 103,859 | ​
Due after one year through five years | ​ |  | 202,614 | ​ |  | 187,011 | ​
Due after five years through ten years | ​ |  | 200,929 | ​ |  | 178,749 | ​
Due after ten years | ​ |  | 24,556 | ​ |  | 21,265 | ​
​ | ​ | $ | 533,460 | ​ | $ | 490,884 | ​
Schedule of gross realized gains and losses and the proceeds | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30,
(Dollars in thousands) |  | 2023 |  | 2022 |  | 2023 | ​ | 2022
Realized gains from sales, maturities and calls of securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Gross realized gains | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | —
Gross realized losses | ​ |  | — | ​ |  | — | ​ |  | (5) | ​ |  | —
Net realized losses | ​ | $ | — | ​ | $ | — | ​ | $ | (5) | ​ | $ | —
Proceeds from sales, maturities, calls and paydowns of securities | ​ | $ | 25,111 | ​ | $ | 16,352 | ​ | $ | 44,841 | ​ | $ | 30,981
Schedule of securities in an unrealized loss position | Securities in an unrealized loss position at June 30, 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 | ​ | $ | — | ​ | $ | — | ​ | $ | 52,018 | ​ | $ | 1,652 | ​ | $ | 52,018 | ​ | $ | 1,652 | ​
U.S. government agencies and corporations | ​ | ​ | 7,367 | ​ | ​ | 2 | ​ | ​ | 106,891 | ​ | ​ | 11,529 | ​ | ​ | 114,258 | ​ | ​ | 11,531 | ​
Mortgage-backed securities | ​ |  | 13,295 | ​ | ​ | 452 | ​ |  | 155,560 | ​ |  | 19,093 | ​ |  | 168,855 | ​ |  | 19,545 | ​
Obligations of states and political subdivisions | ​ |  | 37,749 | ​ |  | 483 | ​ |  | 63,862 | ​ |  | 5,928 | ​ |  | 101,611 | ​ |  | 6,411 | ​
Corporate and other debt securities | ​ | ​ | 1,808 | ​ | ​ | 212 | ​ | ​ | 18,498 | ​ | ​ | 3,714 | ​ | ​ | 20,306 | ​ | ​ | 3,926 | ​
Total temporarily impaired securities | ​ | $ | 60,219 | ​ | $ | 1,149 | ​ | $ | 396,829 | ​ | $ | 41,916 | ​ | $ | 457,048 | ​ | $ | 43,065 | ​
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 |
U.S. Treasury securities | ​ | $ | 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 | ​

X
- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of realized gains and losses on investments reported in the statement of income. + References No definition available. + Details
Name: | us-gaap_RealizedGainLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27290-111563 + Details
Name: | us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration