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Securities - Narrative (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |  |
Realized gains on available-for-sale debt securities | $ 0 | $ 0 | $ 330,000 | $ 178,000
Realized losses on available-for-sale debt securities | 0 | 0 | 0 |
Proceeds from sales of available-for-sale debt securities | 2,200,000 | 0 | 38,924,000 | 42,584,000
Realized loss on equity securities, net | 0 |  | 12,000 |
Realized gains on called available-for-sale debt securities |  | $ 0 |  | $ 251,000
Losses on held-to-maturity debt securities | 0 |  | 0 |
Federal Home Loan Bank New York (FHLBNY) |  |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |  |
Holdings of FHLBNY, FHLBPITT and ACBB stock, amount of advances | 11,300,000 |  | 11,300,000 |
Federal Home Loan Bank Pittsburgh (FHLBPITT) |  |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |  |
Holdings of FHLBNY, FHLBPITT and ACBB stock, amount of advances | 4,600,000 |  | 4,600,000 |
Atlantic Central Bankers Bank (ACBB) |  |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |  |
Holdings of FHLBNY, FHLBPITT and ACBB stock, amount of advances | $ 95,000 |  | $ 95,000 |

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- Definition Amount of realized gain on 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 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27357-111563 + Details
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