Loans, Deferred Loan Payments (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2020 USD ($) Loan
Minimum [Member]
Deferred Loan Payments [Abstract]
Term of payment deferral under loan deferment program	3 months
Maximum [Member]
Deferred Loan Payments [Abstract]
Term of payment deferral under loan deferment program	6 months
Total Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 193,474
Number of loans | Loan	706
Full Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 123,401
Number of loans | Loan	437
Principal Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 70,073
Number of loans | Loan	269
Residential Real Estate [Member] | Residential Real Estate [Member] | Total Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 49,037
Number of loans | Loan	281
Residential Real Estate [Member] | Residential Real Estate [Member] | Full Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 31,373
Number of loans | Loan	172
Residential Real Estate [Member] | Residential Real Estate [Member] | Principal Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 17,664
Number of loans | Loan	109
Residential Real Estate [Member] | Multi-family [Member] | Total Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 12,490
Number of loans | Loan	17
Residential Real Estate [Member] | Multi-family [Member] | Full Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 8,264
Number of loans | Loan	10
Residential Real Estate [Member] | Multi-family [Member] | Principal Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 4,226
Number of loans | Loan	7
Non Residential Real Estate [Member] | Total Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 110,748
Number of loans | Loan	258
Non Residential Real Estate [Member] | Full Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 74,481
Number of loans | Loan	173
Non Residential Real Estate [Member] | Principal Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 36,267
Number of loans | Loan	85
Commercial Real Estate [Member] | Construction [Member] | Total Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 339
Number of loans | Loan	1
Commercial Real Estate [Member] | Construction [Member] | Full Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 339
Number of loans | Loan	1
Commercial Real Estate [Member] | Construction [Member] | Principal Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 0
Number of loans | Loan	0
Consumer Loan [Member] | Home Equity [Member] | Total Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 431
Number of loans | Loan	15
Consumer Loan [Member] | Home Equity [Member] | Full Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 291
Number of loans | Loan	7
Consumer Loan [Member] | Home Equity [Member] | Principal Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 140
Number of loans | Loan	8
Consumer Loan [Member] | Consumer Installment [Member] | Total Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 250
Number of loans | Loan	27
Consumer Loan [Member] | Consumer Installment [Member] | Full Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 116
Number of loans | Loan	10
Consumer Loan [Member] | Consumer Installment [Member] | Principal Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 133
Number of loans | Loan	17
Commercial Loans [Member] | Total Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 20,180
Number of loans | Loan	107
Commercial Loans [Member] | Full Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 8,537
Number of loans | Loan	64
Commercial Loans [Member] | Principal Payment Deferral [Member]
Deferred Loan Payments [Abstract]
Balance | $	$ 11,643
Number of loans | Loan	43