Securities (Narrative) (Details)	1 Months Ended	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) security	Dec. 31, 2018 USD ($) Security	Dec. 31, 2017 USD ($) Security
Debt and Equity Securities, FV-NI [Line Items]
Transfer from HTM to AFS	$ 83,100,000
Transfer, unrealized holding gain	810,000
Reclassification adjustment for HTM to AFS securities, before tax	587,000	$ 810,000	$ 0	$ 0
Transfer, deferred tax liability	223,000
Equity securities carried at fair value through income	4,669,000	4,669,000	4,428,000
Other equity securities	209,000	209,000	209,000
Asset backed securities pledged to secure certain deposits	47,400,000	$ 47,400,000	41,300,000
Asset backed securities pledged as collateral			$ 3,300,000
number of securities sold		20	0
Securities available for sale (AFS), at fair value	208,187,000	$ 208,187,000	$ 119,976,000	31,600,000
Net gains on sale of investment securities		226,000	0	175,000
Debt Securities, Available-for-sale	208,187,000	208,187,000	119,976,000
Amortized Cost of AFS securities	206,113,000	206,113,000	122,524,000
Gross unrealized gains of AFS securities	2,719,000	2,719,000	209,000
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	645,000	645,000	2,757,000
Gross unrealized losses of AFS securities	645,000	645,000	2,800,000
Other than temporary impairment losses, investments		0	0	$ 0
Debt Securities, Available-for-sale, Unrealized Loss Position	72,591,000	72,591,000	84,941,000
Fair Value of HTM debt securities			93,745,000
Fair value of HTM unrealized loss position debt securities			83,047,000
Fair value of HTM accumulated unrecognized loss debt securities			2,672,000
HTM debt securities			96,271,000
Asset-backed Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost of AFS securities	206,100,000	$ 206,100,000	$ 122,500,000
Available for sale securities with unrealized losses average life		4 years 8 months 3 days	4 years 3 months 26 days
Unrealized losses average life guaranteed by issuer to credit risk		4 years 2 months 18 days	3 years 9 months 29 days
Municipal Bonds [Member]
Debt and Equity Securities, FV-NI [Line Items]
Debt Securities, Available-for-sale	11,318,000	$ 11,318,000
Amortized Cost of AFS securities	11,491,000	11,491,000
Gross unrealized gains of AFS securities	0	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	173,000	173,000
Gross unrealized losses of AFS securities	200,000	200,000
Debt Securities, Available-for-sale, Unrealized Loss Position	11,318,000	$ 11,318,000
Available for sale securities with unrealized losses average life		9 years 6 months 2 days
Unrealized losses average life guaranteed by issuer to credit risk		8 years 2 months 5 days
Asset-backed securities issued by GSEs and U.S. Agencies [Member]
Debt and Equity Securities, FV-NI [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position	54,904,000	$ 54,904,000	$ 84,941,000
Fair Value of HTM debt securities			82,600,000
Fair value of HTM unrealized loss position debt securities			77,707,000
HTM debt securities			$ 94,800,000
Unrealized losses average life of HTM securities			4 years 10 months 17 days
Unrealized losses average life guaranteed by issuer of HTM securities			4 years 3 months 4 days
Mortgage-backed securities, issued by private enterprises [Member]
Debt and Equity Securities, FV-NI [Line Items]
Fair Value of HTM debt securities			$ 441,000
Fair value of HTM accumulated unrecognized loss debt securities			41,000
HTM debt securities			482,000
Asset-backed securities issued by Others [Member]
Debt and Equity Securities, FV-NI [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position	$ 136,000	$ 136,000
Fair value of HTM unrealized loss position debt securities			$ 441,000
Unrealized losses average life of HTM securities			3 years 4 days
Unrealized losses average life guaranteed by issuer of HTM securities			2 years 3 months 29 days
Three Available For Sale Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
number of securities sold | Security				3
Securities available for sale (AFS), at fair value				$ 3,700,000
Available-for-sale Securities, Gross Realized Gains				$ 9,000
Nine Held To Maturity Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
number of securities sold | Security				9
Debt Securities, Held-to-maturity, Sold, Realized Gain (Loss)				$ 166,000
HTM debt securities				$ 4,800,000