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Investment Securities (Details 3) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Marketable Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 26,228	$ 70,761
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	228	679
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	2,737	27,429
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	40	322
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	28,965	98,190
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	268	1,001
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Marketable Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	21,298	57,175
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	152	485
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	1,414	12,419
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	33	155
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	22,712	69,594
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	185	640
Small Business Administration pools [Member]
Marketable Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		7,891
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		53
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	1,323	13,502
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	7	164
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	1,323	21,393
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	7	217
US States and Political Subdivisions Debt Securities [Member]
Marketable Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	4,930	5,695
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	76	141
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	4,930	5,695
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ 76	141
US Treasury Securities [Member]
Marketable Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		1,508
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		3
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		1,508
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss		$ 3

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+ References

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-Publisher FASB
-Name Accounting Standards Codification
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