Borrowings - FHLB Advances (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
FHLB Advances
Secured Debt	$ 119,529	$ 122,029
FHLB Advances \| Fixed Rate Hybrid Advances
FHLB Advances
Secured Debt	14,500
FHLB Advances \| Convertible Advances
FHLB Advances
Secured Debt	30,000
1.95% Fixed Rate Hybrid Advance \| Fixed Rate Hybrid Advances
FHLB Advances
Secured Debt	$ 7,000
Interest Rate	1.95%
Maturity Date	Dec. 04, 2019
1.78% Fixed Rate Hybrid Advance \| Fixed Rate Hybrid Advances
FHLB Advances
Secured Debt	$ 7,500
Interest Rate	1.78%
Maturity Date	Aug. 21, 2020
1.48% Convertible Advances \| Convertible Advances
FHLB Advances
Secured Debt	$ 7,500
Interest Rate	1.48%
Maturity Date	Sep. 19, 2022
Next Conversion Option Date	Sep. 20, 2021
1.96% Convertible Advances \| Convertible Advances
FHLB Advances
Secured Debt	$ 7,500
Interest Rate	1.96%
Maturity Date	Sep. 29, 2023
Next Conversion Option Date	Sep. 29, 2022
2.32% Convertible Advances \| Convertible Advances
FHLB Advances
Secured Debt	$ 5,000
Interest Rate	2.32%
Maturity Date	Oct. 25, 2024
Next Conversion Option Date	Oct. 25, 2023
2.53% Convertible Advances \| Convertible Advances
FHLB Advances
Secured Debt	$ 5,000
Interest Rate	2.53%
Maturity Date	Nov. 28, 2025
Next Conversion Option Date	Nov. 29, 2024
2.83% Convertible Advances \| Convertible Advances
FHLB Advances
Secured Debt	$ 5,000
Interest Rate	2.83%
Maturity Date	Dec. 29, 2026
Next Conversion Option Date	Dec. 29, 2025

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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States the interest rate applicable to Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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