Investments (Narrative) (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) item security $ / shares	Dec. 31, 2018 USD ($) security	Sep. 30, 2018 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Percent of shareholders equity benchmark for investments in a single issuer	10.00%
Number of temporarily impaired securities | security	144	171
Unrealized Losses	$ 1,686	$ 1,537
Number of investments in a single issuer exceeding benchmark | item	0
Number of investments | item	1
Securities pledged as collateral	$ 107,100	84,600
Restricted stock	465	452	$ 465
Equity securities	440	$ 374
Federal Home Loan Bank of Pittsburgh [Member]
Schedule of Available-for-sale Securities [Line Items]
Restricted stock	$ 30
Restricted Stock Cost | $ / shares	$ 100