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Loans Receivable and Allowance for Loan Losses (Composition of the Loan Portfolio) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 1,412,289 | $ 924,676 |
Deferred fees, net | (1,557) | (95) |
Total loans receivable | 1,410,732 | 924,581 |
Allowance for loan losses | (13,150) | (8,509) | $ (8,452)
Net loans receivable | $ 1,397,582 | $ 916,072 |
Percent of Loans | 100.00% | 100.00% |
Residential Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 263,127 | $ 229,781 |
Allowance for loan losses | $ (1,960) | $ (1,552) | (1,328)
Percent of Loans | 18.60% | 24.90% |
Commercial Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 579,104 | $ 391,327 |
Allowance for loan losses | $ (8,004) | $ (4,687) | (5,455)
Percent of Loans | 41.00% | 42.30% |
Agricultural Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 66,334 |  |
Percent of Loans | 4.70% |  |
Construction Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 21,005 | $ 17,732 |
Allowance for loan losses | $ (150) | $ (95) | (93)
Percent of Loans | 1.50% | 1.90% |
Commercial [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 283,741 | $ 134,150 |
Allowance for loan losses | $ (1,360) | $ (949) | (712)
Percent of Loans | 20.10% | 14.50% |
Other Agricultural Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 40,929 |  |
Percent of Loans | 2.90% |  |
Consumer Loans To Individuals [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 158,049 | $ 151,686 |
Allowance for loan losses | $ (1,676) | $ (1,226) | $ (864)
Percent of Loans | 11.20% | 16.40% |

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