Leases (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2019	Oct. 01, 2019
Lessee, Lease, Description [Line Items]
Right-of-use asset, amount	$ 15,400	$ 15,700
Right-of-use asset, balance sheet location	us-gaap:OtherAssets
Lease liability, amount	$ 15,295	$ 15,500
Lease liability, balance sheet location	us-gaap:AccountsPayableAndOtherAccruedLiabilities
Operating leases, weighted average remaining lease term	23 years 3 months 18 days
Operating leases, weighted average discount rate	2.70%
Operating lease expense	$ 389
Variable lease expense	50
Short-term lease expense	9
Cash paid for amounts included in the measurement of lease liabilities	$ 344
Minimum [Member]
Lessee, Lease, Description [Line Items]
Operating leases, remaining term	1 year
Maximum [Member]
Lessee, Lease, Description [Line Items]
Operating leases, remaining term	48 years