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Securities - Narrative (Details) | 3 Months Ended | 12 Months Ended
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Dec. 31, 2022 USD ($) security | Dec. 31, 2022 USD ($) security | Dec. 31, 2021 USD ($) security | Dec. 31, 2020 USD ($)
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |  |
Recognized gains on called available-for-sale securities |  | $ 0 | $ 0 | $ 251,000
Recognized losses on equity securities |  | 125,000 | 26,000 |
Recognized gains on equity securities |  |  |  | 13,000
Proceeds from sale of VISA Class B shares | $ 11,400,000 | $ 11,407,000 | $ 0 | $ 0
Net gain on sale of VISA Class B shares | $ 11,400,000 |  |  |
Available-for-sale portfolios, number of securities in an unrealized loss position | security | 635 | 635 | 268 |
Securities pledged or sold under agreements to repurchase | $ 1,800,000,000 | $ 1,800,000,000 | $ 1,400,000,000 |
Equity method investments | 1,500,000 | 1,500,000 | $ 1,600,000 |
Equity method investment, other than temporary Impairment |  | 0 |  |
Federal Home Loan Bank New York (FHLBNY) |  |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |  |
Federal home loan bank, advances, branch of FHLB bank, amount of advances | 17,600,000 | 17,600,000 |  |
Atlantic Central Bankers Bank (ACBB) |  |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |  |
Federal home loan bank, advances, branch of FHLB bank, amount of advances | $ 95,000 | $ 95,000 |  |

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- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b)(3) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455 + Details
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- Definition This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 32 -URI https://asc.fasb.org/extlink&oid=126903467&loc=d3e32787-111569 + Details
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- Definition Fair value of securities pledged as collateral against securities sold under agreement to repurchase. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226013-175313 + Details
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