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Investment Securities - Total investment securities (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
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Contractual maturities of securities |  |
Available for Sale, Cost Basis, Within 1 year | $ 3,575 |
Available for Sale, Cost Basis, After 1 year but within 5 years | 32,800 |
Available for Sale, Cost Basis, After 5 years but within 10 years | 46,739 |
Available for Sale, Cost Basis, After 10 years but within 15 years | 13,090 |
Available for Sale, Cost Basis, Over 15 years | 66,015 |
Available for Sale, Cost Basis, Total | 162,219 | $ 139,684
Available for Sale, Fair Value, Within 1 year | 3,627 |
Available for Sale, Fair Value, After 1 year but within 5 years | 33,881 |
Available for Sale, Fair Value, After 5 years but within 10 years | 48,276 |
Available for Sale, Fair Value, After 10 years but within 15 years | 13,639 |
Available for Sale, Fair Value, Over 15 years | 66,420 |
Available for Sale, Fair Value, Total | 165,843 | 144,165
Held to Maturity, Cost Basis, Within 1 year | 3,000 |
Held to Maturity, Cost Basis, After 1 year but within 5 years | 8,155 |
Held to Maturity, Cost Basis, After 5 years but within 10 years | 23,536 |
Held to Maturity, Cost Basis, After 10 years but within 15 years | 9,441 |
Held to Maturity, Cost Basis, Over 15 years | 9,420 |
Held to Maturity, Cost Basis, Total | 53,552 | 44,222
Held to Maturity, Fair Value, Within 1 year | 2,999 |
Held to Maturity, Fair Value, After 1 year but within 5 years | 8,553 |
Held to Maturity, Fair Value, After 5 years but within 10 years | 25,083 |
Held to Maturity, Fair Value, After 10 years but within 15 years | 9,761 |
Held to Maturity, Fair Value, Over 15 years | 9,495 |
Held to Maturity, Fair Value, Total | $ 55,891 | $ 47,106

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