Related Party Transactions (Narrative) (Details) $ in Thousands				12 Months Ended
	Jun. 29, 2018 shares	May 04, 2017 shares	Aug. 14, 2013 USD ($) loan	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
ACCU [Member]
Related Party Transaction [Line Items]
Dollar amount of loans sold to related party					$ 554
UFCU [Member]
Related Party Transaction [Line Items]
Number of loans sold to related party | loan			1
Dollar amount of loans sold to related party			$ 5,000
Board and Executive Management [Member]
Related Party Transaction [Line Items]
Notes held by related parties				$ 368	$ 394
Minimum [Member] | MP Securities [Member]
Related Party Transaction [Line Items]
Related party servicing fee				0.25%
Maximum [Member] | MP Securities [Member]
Related Party Transaction [Line Items]
Related party servicing fee				5.50%
Class A Common Units [Member] | ACCU [Member]
Related Party Transaction [Line Items]
Shares purchased by related party | shares		12,000
Interest acquired		8.19%
Series A Preferred Stock [Member] | ACCU [Member]
Related Party Transaction [Line Items]
Shares purchased by related party | shares	2,000	12,000
Interest acquired	1.71%	10.25%
MP Securities [Member] | ACCU [Member] | Networking Agreement [Member]
Related Party Transaction [Line Items]
Notice period for termination of agreement				30 days