Available for Sale Securities (Contractual Maturity) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Due in one year or less, amortized cost	$ 911
Due in one year or less, fair value	938
Due after one year through 5 years, amortized cost	4,355
Due after one year through 5 years, fair value	4,492
Due after 5 years through 10 years, amortized cost	10,117
Due after 5 years through 10 years, fair value	10,444
Due after 10 years, amortized cost	5,735
Due after 10 years, fair value	5,777
Subtotal, amortized cost	21,118
Subtotal, fair value	21,651
Amortized cost	48,481	$ 62,135
Estimated fair value	49,885	64,243
Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	27,363	36,347
Estimated fair value	$ 28,234	$ 37,680

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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