Real Estate Owned and Repossessed Assets - Reconciliation of Real Estate Owned and Repossessed Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Schedule of Real Estate Owned and Repossessed Assets [Line Items]
Real estate owned and repossessed assets	$ 154	$ 124	$ 23
Land
Schedule of Real Estate Owned and Repossessed Assets [Line Items]
Real estate owned and repossessed assets	62	72
Personal property
Schedule of Real Estate Owned and Repossessed Assets [Line Items]
Real estate owned and repossessed assets	$ 92	$ 52