Available for Sale Securities (Contractual Maturity) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Due in one year or less, amortized cost	$ 1,100
Due in one year or less, fair value	1,101
Due after one year through 5 years, amortized cost	3,983
Due after one year through 5 years, fair value	4,173
Due after 5 years through 10 years, amortized cost	6,666
Due after 5 years through 10 years, fair value	6,989
Due after 10 years, amortized cost	6,851
Due after 10 years, fair value	6,953
Subtotal, amortized cost	18,600
Subtotal, fair value	19,216
Amortized cost	57,006	$ 47,709
Estimated fair value	59,076	48,179
Collateralized Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	38,406	35,095
Estimated fair value	$ 39,860	$ 35,482

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
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454

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