XML 61 R51.htm IDEA: XBRL DOCUMENT
v3.22.1

Loans - Schedule of Loan Portfolio Summarized by the Past Due Status (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021 | Mar. 31, 2021
--- | --- | --- | ---
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | $ 1,484,326 | $ 1,468,427 | $ 1,610,718
Loans receivable greater than 90 days and accruing | 964 | 730 |
30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 5,178 | 2,679 |
60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 363 | 1,524 |
Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 3,252 | 4,610 |
Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 8,793 | 8,813 |
Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 1,475,533 | 1,459,614 |
Commercial and industrial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 188,132 | 179,567 | 315,710
Loans receivable greater than 90 days and accruing | 0 | 0 |
Commercial and industrial | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 114 | 20 |
Commercial and industrial | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 64 |
Commercial and industrial | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 170 | 1,397 |
Commercial and industrial | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 284 | 1,481 |
Commercial and industrial | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 187,848 | 178,086 |
Commercial real estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 800,277 | 786,255 | 759,335
Loans receivable greater than 90 days and accruing | 0 | 0 |
Commercial real estate | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 2,711 | 0 |
Commercial real estate | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 270 |
Commercial real estate | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 2,118 | 2,483 |
Commercial real estate | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 4,829 | 2,753 |
Commercial real estate | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 795,448 | 783,502 |
Commercial real estate construction |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 54,366 | 50,000 | 50,132
Loans receivable greater than 90 days and accruing | 0 | 0 |
Commercial real estate construction | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Commercial real estate construction | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Commercial real estate construction | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Commercial real estate construction | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Commercial real estate construction | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 54,366 | 50,000 |
Residential mortgage |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 341,530 | 349,125 | 375,941
Loans receivable greater than 90 days and accruing | 557 | 475 |
Residential mortgage | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 2,041 | 1,180 |
Residential mortgage | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 205 | 1,090 |
Residential mortgage | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 557 | 475 |
Residential mortgage | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 2,803 | 2,745 |
Residential mortgage | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 338,727 | 346,380 |
Home equity lines of credit |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 88,356 | 92,762 | 97,258
Loans receivable greater than 90 days and accruing | 407 | 255 |
Home equity lines of credit | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 234 | 1,395 |
Home equity lines of credit | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 154 | 42 |
Home equity lines of credit | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 407 | 255 |
Home equity lines of credit | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 795 | 1,692 |
Home equity lines of credit | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 87,561 | 91,070 |
Consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 11,665 | 10,718 | $ 12,342
Loans receivable greater than 90 days and accruing | 0 | 0 |
Consumer | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 78 | 84 |
Consumer | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 4 | 58 |
Consumer | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Consumer | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 82 | 142 |
Consumer | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 11,583 | 10,576 |
Originated Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 1,175,398 | 1,145,034 |
Loans receivable greater than 90 days and accruing | 809 | 730 |
Originated Loans | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 4,488 | 1,313 |
Originated Loans | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 172 | 304 |
Originated Loans | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 3,097 | 4,610 |
Originated Loans | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 7,757 | 6,227 |
Originated Loans | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 1,167,641 | 1,138,807 |
Originated Loans | Commercial and industrial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 156,345 | 147,513 |
Loans receivable greater than 90 days and accruing | 0 | 0 |
Originated Loans | Commercial and industrial | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 114 | 20 |
Originated Loans | Commercial and industrial | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 64 |
Originated Loans | Commercial and industrial | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 170 | 1,397 |
Originated Loans | Commercial and industrial | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 284 | 1,481 |
Originated Loans | Commercial and industrial | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 156,061 | 146,032 |
Originated Loans | Commercial real estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 590,277 | 566,098 |
Loans receivable greater than 90 days and accruing | 0 | 0 |
Originated Loans | Commercial real estate | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 2,711 | 0 |
Originated Loans | Commercial real estate | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Originated Loans | Commercial real estate | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 2,118 | 2,483 |
Originated Loans | Commercial real estate | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 4,829 | 2,483 |
Originated Loans | Commercial real estate | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 585,448 | 563,615 |
Originated Loans | Commercial real estate construction |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 48,188 | 42,661 |
Loans receivable greater than 90 days and accruing | 0 | 0 |
Originated Loans | Commercial real estate construction | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Originated Loans | Commercial real estate construction | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Originated Loans | Commercial real estate construction | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Originated Loans | Commercial real estate construction | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Originated Loans | Commercial real estate construction | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 48,188 | 42,661 |
Originated Loans | Residential mortgage |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 298,763 | 304,077 |
Loans receivable greater than 90 days and accruing | 557 | 475 |
Originated Loans | Residential mortgage | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 1,351 | 970 |
Originated Loans | Residential mortgage | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 105 | 140 |
Originated Loans | Residential mortgage | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 557 | 475 |
Originated Loans | Residential mortgage | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 2,013 | 1,585 |
Originated Loans | Residential mortgage | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 296,750 | 302,492 |
Originated Loans | Home equity lines of credit |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 71,179 | 74,977 |
Loans receivable greater than 90 days and accruing | 252 | 255 |
Originated Loans | Home equity lines of credit | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 234 | 239 |
Originated Loans | Home equity lines of credit | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 63 | 42 |
Originated Loans | Home equity lines of credit | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 252 | 255 |
Originated Loans | Home equity lines of credit | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 549 | 536 |
Originated Loans | Home equity lines of credit | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 70,630 | 74,441 |
Originated Loans | Consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 10,646 | 9,708 |
Loans receivable greater than 90 days and accruing | 0 | 0 |
Originated Loans | Consumer | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 78 | 84 |
Originated Loans | Consumer | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 4 | 58 |
Originated Loans | Consumer | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Originated Loans | Consumer | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 82 | 142 |
Originated Loans | Consumer | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 10,564 | 9,566 |
Acquired Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 308,928 | 323,393 |
Loans receivable greater than 90 days and accruing | 155 | 0 |
Acquired Loans | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 690 | 1,366 |
Acquired Loans | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 191 | 1,220 |
Acquired Loans | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 155 | 0 |
Acquired Loans | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 1,036 | 2,586 |
Acquired Loans | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 307,892 | 320,807 |
Acquired Loans | Commercial and industrial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 31,787 | 32,054 |
Loans receivable greater than 90 days and accruing | 0 | 0 |
Acquired Loans | Commercial and industrial | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Acquired Loans | Commercial and industrial | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Acquired Loans | Commercial and industrial | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Acquired Loans | Commercial and industrial | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Acquired Loans | Commercial and industrial | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 31,787 | 32,054 |
Acquired Loans | Commercial real estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 210,000 | 220,157 |
Loans receivable greater than 90 days and accruing | 0 | 0 |
Acquired Loans | Commercial real estate | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Acquired Loans | Commercial real estate | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 270 |
Acquired Loans | Commercial real estate | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Acquired Loans | Commercial real estate | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 270 |
Acquired Loans | Commercial real estate | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 210,000 | 219,887 |
Acquired Loans | Commercial real estate construction |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 6,178 | 7,339 |
Loans receivable greater than 90 days and accruing | 0 | 0 |
Acquired Loans | Commercial real estate construction | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Acquired Loans | Commercial real estate construction | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Acquired Loans | Commercial real estate construction | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Acquired Loans | Commercial real estate construction | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Acquired Loans | Commercial real estate construction | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 6,178 | 7,339 |
Acquired Loans | Residential mortgage |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 42,767 | 45,048 |
Loans receivable greater than 90 days and accruing | 0 | 0 |
Acquired Loans | Residential mortgage | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 690 | 210 |
Acquired Loans | Residential mortgage | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 100 | 950 |
Acquired Loans | Residential mortgage | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Acquired Loans | Residential mortgage | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 790 | 1,160 |
Acquired Loans | Residential mortgage | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 41,977 | 43,888 |
Acquired Loans | Home equity lines of credit |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 17,177 | 17,785 |
Loans receivable greater than 90 days and accruing | 155 | 0 |
Acquired Loans | Home equity lines of credit | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 1,156 |
Acquired Loans | Home equity lines of credit | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 91 | 0 |
Acquired Loans | Home equity lines of credit | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 155 | 0 |
Acquired Loans | Home equity lines of credit | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 246 | 1,156 |
Acquired Loans | Home equity lines of credit | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 16,931 | 16,629 |
Acquired Loans | Consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 1,019 | 1,010 |
Loans receivable greater than 90 days and accruing | 0 | 0 |
Acquired Loans | Consumer | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Acquired Loans | Consumer | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Acquired Loans | Consumer | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Acquired Loans | Consumer | Financial Asset, Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | 0 | 0 |
Acquired Loans | Consumer | Financial Asset, Not Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Financing receivable, before allowance for credit loss | $ 1,019 | $ 1,010 |

X
- Definition Amount of financing receivable 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922355-210448 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before allowance for credit loss, of financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953401-111524 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919253-210447 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922355-210448 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (2) Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1404 -Paragraph (a) + Details
Name: | us-gaap_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=acnb_HomeEquityLinesOfCreditPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=acnb_OriginatedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=acnb_AcquiredLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |