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v3.22.2.2

Securities (Tables) | 9 Months Ended
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Sep. 30, 2022
Securities |
Amortized cost and fair value of investments classified as available-for-sale | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2022
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | ​ | ​
(Dollar amounts in thousands) | ​ | Cost |  | Gains |  | Losses |  | Fair Value
U.S. Government agencies | ​ | $ | 117,925 | ​ | $ | 26 | ​ | $ | (11,670) | ​ | $ | 106,281
Mortgage Backed Securities - residential | ​ | ​ | 725,085 | ​ | ​ | 22 | ​ | ​ | (106,138) | ​ | ​ | 618,969
Mortgage Backed Securities - commercial |  | ​ | 11,763 |  | ​ | — |  | ​ | (454) |  | ​ | 11,309
Collateralized mortgage obligations |  | ​ | 230,237 |  | ​ | — |  | ​ | (23,877) |  | ​ | 206,360
State and municipal obligations |  | ​ | 399,040 |  | ​ | 100 |  | ​ | (50,325) |  | ​ | 348,815
Municipal taxable |  | ​ | 39,326 |  | ​ | 40 |  | ​ | (6,760) |  | ​ | 32,606
U.S. Treasury |  | ​ | 2,084 |  | ​ | — |  | ​ | (28) |  | ​ | 2,056
Collateralized debt obligations |  | ​ | — |  | ​ | 3,111 |  | ​ | — |  | ​ | 3,111
Other securities |  | ​ | 2,478 |  | ​ | — |  | ​ | — |  | ​ | 2,478
TOTAL | ​ | $ | 1,527,938 | ​ | $ | 3,299 | ​ | $ | (199,252) | ​ | $ | 1,331,985
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2021
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | ​ | ​
(Dollar amounts in thousands) | ​ | Cost |  | Gains |  | Losses |  | Fair Value
U.S. Government agencies | ​ | $ | 118,176 | ​ | $ | 2,688 | ​ | $ | (741) | ​ | $ | 120,123
Mortgage Backed Securities-residential | ​ | ​ | 628,920 | ​ | ​ | 4,387 | ​ | ​ | (6,879) | ​ | ​ | 626,428
Mortgage Backed Securities-commercial |  | ​ | 15,480 |  | ​ | 191 |  | ​ | — |  | ​ | 15,671
Collateralized mortgage obligations |  | ​ | 175,501 |  | ​ | 1,272 |  | ​ | (1,768) |  | ​ | 175,005
State and municipal obligations |  | ​ | 362,843 |  | ​ | 17,833 |  | ​ | (578) |  | ​ | 380,098
Municipal taxable |  | ​ | 38,445 |  | ​ | 396 |  | ​ | (215) |  | ​ | 38,626
U.S. Treasury |  | ​ | 205 |  | ​ | — |  | ​ | (1) |  | ​ | 204
Collateralized debt obligations |  | ​ | — |  | ​ | 3,359 |  | ​ | — |  | ​ | 3,359
Other securities | ​ | ​ | 5,220 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 5,220
TOTAL | ​ | $ | 1,344,790 | ​ | $ | 30,126 | ​ | $ | (10,182) | ​ | $ | 1,364,734
Schedule of contractual maturities of debt securities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Available-for-Sale
​ | ​ | Amortized | ​ | Fair
(Dollar amounts in thousands) |  | Cost |  | Value
Due in one year or less | ​ | $ | 14,709 | ​ | $ | 14,645
Due after one but within five years | ​ | ​ | 45,896 | ​ | ​ | 44,462
Due after five but within ten years |  | ​ | 88,156 |  | ​ | 81,746
Due after ten years |  | ​ | 412,092 |  | ​ | 354,494
​ |  | ​ | 560,853 |  | ​ | 495,347
Mortgage-backed securities and collateralized mortgage obligations |  | ​ | 967,085 |  | ​ | 836,638
TOTAL | ​ | $ | 1,527,938 | ​ | $ | 1,331,985
Schedule of gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities have been in continuous unrealized loss position | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2022
​ | ​ | Less Than 12 Months |  | More Than 12 Months |  | Total
​ | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | Unrealized
(Dollar amounts in thousands) | ​ | Fair Value |  | Losses |  | Fair Value |  | Losses |  | Fair Value |  | Losses
U.S. Government agencies | ​ | $ | 83,013 | ​ | $ | (6,952) | ​ | $ | 22,164 | ​ | $ | (4,718) | ​ | $ | 105,177 | ​ | $ | (11,670)
Mortgage Backed Securities - Residential |  | ​ | 364,927 |  | ​ | (48,470) |  | ​ | 252,690 |  | ​ | (57,668) |  | ​ | 617,617 |  | ​ | (106,138)
Mortgage Backed Securities - Commercial | ​ | ​ | 11,309 | ​ | ​ | (454) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 11,309 | ​ | ​ | (454)
Collateralized mortgage obligations |  | ​ | 153,183 |  | ​ | (14,893) |  | ​ | 43,137 |  | ​ | (8,984) |  | ​ | 196,320 |  | ​ | (23,877)
State and municipal obligations |  | ​ | 280,127 |  | ​ | (35,118) |  | ​ | 38,129 |  | ​ | (15,207) |  | ​ | 318,256 |  | ​ | (50,325)
Municipal taxable |  | ​ | 25,851 |  | ​ | (5,218) |  | ​ | 5,715 |  | ​ | (1,542) |  | ​ | 31,566 |  | ​ | (6,760)
U.S. Treasury |  | ​ | 2,056 |  | ​ | (28) |  | ​ | — |  | ​ | — |  | ​ | 2,056 |  | ​ | (28)
Total temporarily impaired securities | ​ | $ | 920,466 | ​ | $ | (111,133) | ​ | $ | 361,835 | ​ | $ | (88,119) | ​ | $ | 1,282,301 | ​ | $ | (199,252)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2021
​ | ​ | Less Than 12 Months |  | More Than 12 Months |  | Total
​ | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | Unrealized
(Dollar amounts in thousands) |  | Fair Value |  | Losses |  | Fair Value |  | Losses |  | Fair Value |  | Losses
U.S. Government agencies | ​ | $ | 48,939 | ​ | $ | (739) | ​ | $ | 146 | ​ | $ | (2) | ​ | $ | 49,085 | ​ | $ | (741)
Mortgage Backed Securities - Residential | ​ | ​ | 436,726 | ​ | ​ | (5,281) | ​ | ​ | 60,807 | ​ | ​ | (1,598) | ​ | ​ | 497,533 | ​ | ​ | (6,879)
Collateralized mortgage obligations |  | ​ | 73,530 |  | ​ | (1,327) |  | ​ | 12,505 |  | ​ | (441) |  | ​ | 86,035 |  | ​ | (1,768)
State and municipal obligations | ​ | ​ | 54,040 | ​ | ​ | (578) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 54,040 | ​ | ​ | (578)
Municipal taxable |  | ​ | 15,048 |  | ​ | (195) |  | ​ | 729 |  | ​ | (20) |  | ​ | 15,777 |  | ​ | (215)
U.S. Treasury |  | ​ | 204 |  | ​ | (1) |  | ​ | — |  | ​ | — |  | ​ | 204 |  | ​ | (1)
Total temporarily impaired securities | ​ | $ | 628,487 | ​ | $ | (8,121) | ​ | $ | 74,187 | ​ | $ | (2,061) | ​ | $ | 702,674 | ​ | $ | (10,182)
Rollforward of the credit losses recognized in earnings | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30, | ​
(Dollar amounts in thousands) |  | 2022 |  | 2021 | ​ | 2022 |  | 2021 | ​
Beginning balance | ​ | $ | — | ​ | $ | 2,974 | ​ | $ | — | ​ | $ | 2,974 | ​
Reductions for securities called during the period |  | ​ | — |  | ​ | — | ​ | ​ | — |  | ​ | — | ​
Ending balance | ​ | $ | — | ​ | $ | 2,974 | ​ | $ | — | ​ | $ | 2,974 | ​

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- 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 http://asc.fasb.org/topic&trid=2196928 + Details
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- Definition Tabular disclosure of the amount of other than temporary impairment (OTTI) related to credit losses recognized in earnings including: (a) the beginning balance of the amount related to credit losses on debt securities held by the investor at the beginning of the period for which a portion of an OTTI was recognized in other comprehensive income; (b) additions for the amount related to the credit loss for which an OTTI was not previously recognized; (c) reductions for securities sold during the period (realized); (d) reductions for securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the investor intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis; (e) additional increases to the amount related to the credit loss for which an OTTI was previously recognized when the investor does not intend to sell the security and it is not more likely than not that the investor will be required to sell the security before recovery of its amortized cost basis; (f) reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security; and (g) the ending balance of the amount related to credit losses on debt securities held by the entity at the end of the period for which a portion of an OTTI was recognized in other comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27340-111563 + Details
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- 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 http://asc.fasb.org/extlink&oid=123581744&loc=d3e27290-111563 + Details
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