Allowance for Loan Losses and Credit Quality of Loans, Impairment Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018
Allowance for Loan Losses and Credit Quality of Loans [Abstract]
Threshold balance for classified loans to be evaluated individually for impairment	$ 1,000	$ 750
Total Loans [Abstract]
Recorded investment balance (book)	18,253		$ 20,578
Unpaid principal balance (legal)	22,541		28,552
Related allowance	0		25
Acquired impaired loans specifically evaluated for impairment	0		0
Originated Loans [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	18,253		20,345
Unpaid principal balance (legal)	22,541		28,314
Originated Loans [Member] \| Commercial Loans [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	3,488		5,553
Unpaid principal balance (legal)	4,182		8,828
With an allowance recorded [Abstract]
Recorded investment balance (book)	0		233
Unpaid principal balance (legal)	0		238
Total Loans [Abstract]
Related allowance	0		25
Originated Loans [Member] \| Commercial Loans [Member] \| C&I [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	76		228
Unpaid principal balance (legal)	302		497
With an allowance recorded [Abstract]
Recorded investment balance (book)	0		233
Unpaid principal balance (legal)	0		238
Total Loans [Abstract]
Related allowance	0		25
Originated Loans [Member] \| Commercial Loans [Member] \| CRE [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	2,410		4,312
Unpaid principal balance (legal)	2,437		6,330
Originated Loans [Member] \| Commercial Loans [Member] \| Business Banking [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	1,002		1,013
Unpaid principal balance (legal)	1,443		2,001
Originated Loans [Member] \| Consumer Loans [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	7,044		7,887
Unpaid principal balance (legal)	8,605		10,072
Originated Loans [Member] \| Consumer Loans [Member] \| Indirect Auto [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	154		143
Unpaid principal balance (legal)	242		241
Originated Loans [Member] \| Consumer Loans [Member] \| Direct [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	6,862		7,744
Unpaid principal balance (legal)	8,335		9,831
Originated Loans [Member] \| Consumer Loans [Member] \| Specialty Lending [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	28		0
Unpaid principal balance (legal)	28		0
Originated Loans [Member] \| Residential Real Estate [Member]
With no related allowance recorded [Abstract]
Recorded investment balance (book)	7,721		6,905
Unpaid principal balance (legal)	$ 9,754		$ 9,414

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Amount of financing receivables related to acquired loans that were individually evaluated for impairment.

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The threshold balance for classified loans to be individually evaluated for impairment.

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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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Amount of allowance for credit losses related to recorded investment.

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Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

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Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.

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Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses.

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Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

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