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v3.23.1

Investment Securities - Narrative (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 USD ($) security | Mar. 31, 2022 USD ($) | Dec. 31, 2022 USD ($) security
Investment securities total | $ 1,300,000 |  | $ 1,400,000
Amortized cost | 797,271 |  | 819,762
Available-for-sale Securities | 695,485 |  | 706,289
Held-to-maturity securities | 637,921 |  | $ 651,527
Purchases of available-for-sale securities | 0 | $ 179,369 |
Maturities and paydowns of available-for-sale securities | 22,502 | 39,108 |
Sales of available-for-sale securities | $ 0 | 0 |
Number of securities | security | 238 |  | 244
Purchases of held-to-maturity securities | $ 2,451 | 0 |
Maturities and paydowns of held-to-maturity securities | $ 16,201 | $ 41,422 |
Number of held-to-maturity securities in unrealized loss positions | security | 111 |  | 129
Held-to-maturity investment securities pledged as collateral | $ 590,600 |  | $ 355,300
Held-to-maturity investment securities held as collateral | $ 0 |  | $ 0
Type of held-to-maturity investment securities collateral | Asset Pledged as Collateral |  | Asset Pledged as Collateral
Asset Pledged as Collateral | Federal Funds Purchased [Member] |  |  |
Available-for-sale Securities | $ 267,600 |  | $ 484,900
Financing Receivable, Pledging Purpose [Extensible Enumeration] | Noninterest-bearing Deposit Liabilities |  | Noninterest-bearing Deposit Liabilities
Asset Pledged as Collateral | Federal Home Loan Bank Advances [Member] |  |  |
Available-for-sale Securities | $ 0 |  | $ 0
Financing Receivable, Pledging Purpose [Extensible Enumeration] | Noninterest-bearing Deposit Liabilities |  | Noninterest-bearing Deposit Liabilities
Available-for-Sale Securities [Member] |  |  |
Accrued interest receivable | $ 1,400 |  | $ 1,500
Held-to-Maturity Securities [Member] |  |  |
Accrued interest receivable | 1,400 |  | $ 1,100
Other Securities Investments With No Contractual Maturity |  |  |
Available-for-sale Securities | $ 800 |  |

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- Definition Disclosure regarding factors used to determine that the impairment of securities categorized as held-to-maturity where cost exceeds fair value is not an other than temporary impairment (OTTI). This item contains disclosure of the number of investment positions in the held-to-maturity investments determined to be temporarily impaired. + References No definition available. + Details
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- Definition Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(4)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amortized cost 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/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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