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Loans - TDR's by Class and Specific Reserves More Than 30 Days Past Due (Details) $ in Thousands | Mar. 31, 2020 USD ($) loan | Mar. 31, 2019 USD ($) loan
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 22 | 10
Balance | $ 3,622 | $ 1,129
Specific Reserves | $ 155 | $ 170
Commercial | Real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 2 | 0
Balance | $ 618 | $ 0
Specific Reserves | $ 0 | $ 0
Commercial | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 0 | 0
Balance | $ 0 | $ 0
Specific Reserves | $ 0 | $ 0
Commercial | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 4 | 4
Balance | $ 540 | $ 261
Specific Reserves | $ 131 | $ 134
Municipal |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 0 | 0
Balance | $ 0 | $ 0
Specific Reserves | $ 0 | $ 0
Residential | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 0 | 0
Balance | $ 0 | $ 0
Specific Reserves | $ 0 | $ 0
Residential | Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 15 | 5
Balance | $ 2,297 | $ 701
Specific Reserves | $ 24 | $ 36
Home equity line of credit |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 1 | 1
Balance | $ 167 | $ 167
Specific Reserves | $ 0 | $ 0
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 0 | 0
Balance | $ 0 | $ 0
Specific Reserves | $ 0 | $ 0

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