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Derivative Instruments (Narrative) (Details) - USD ($)	9 Months Ended
Derivative Instruments (Narrative) (Details) - USD ($)	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Interest Rate Swaps [Member]
Derivative [Line Items]
Notional amount	$ 3,155,000		$ 1,359,000
Net gains (losses) recognized in earnings	0	$ 0
Interest Rate Lock Commitments [Member]
Derivative [Line Items]
Notional amount	355,268,000		55,220,000
Fair value of yield maintenance provisions	3,144,000		$ 721,000
CF Bank [Member]
Derivative [Line Items]
Securities pledged as collateral	$ 82,000