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Fair Value of Assets and Liabilities (Carrying Amount and Estimated Fair Value of Financial Instruments) (Details) - USD ($) | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Assets: |  |
Securities available-for-sale | $ 201,687,683 | $ 151,944,567
Restricted investments | 11,499,000 | 6,430,700
Liabilities: |  |
Noninterest-bearing demand deposits | 319,861,237 | 220,520,287
Interest-bearing demand deposits | 311,482,434 | 231,643,508
Money Market and Savings deposits | 641,944,880 | 543,644,830
Federal Home Loan Bank advances and other borrowings | 11,242,533 | 43,600,000
Subordinated debt | 39,176,947 | 0
Derivative financial instruments | 1,174,000 |
Carrying Amount [Member] |  |
Assets: |  |
Cash and cash equivalents | 115,822,000 | 113,027,000
Securities available-for-sale | 201,688,000 | 151,944,000
Restricted investments | 11,499,000 | 6,431,000
Loans, net | 1,768,964,000 | 1,317,398,000
Liabilities: |  |
Noninterest-bearing demand deposits | 319,861,000 | 220,520,000
Interest-bearing demand deposits | 311,482,000 | 231,644,000
Money Market and Savings deposits | 641,945,000 | 543,645,000
Time deposits | 648,675,000 | 442,774,000
Securities sold under agreements to repurchase | 11,756,000 | 24,055,000
Federal Home Loan Bank advances and other borrowings | 11,243,000 | 43,600,000
Subordinated debt | 39,177,000 |
Derivative financial instruments | 1,174,000 |
Estimated Fair Value [Member] |  |
Assets: |  |
Cash and cash equivalents | 115,822,000 | 113,027,000
Securities available-for-sale | 201,688,000 | 151,944,000
Loans, net | 1,766,838,000 | 1,292,303,000
Liabilities: |  |
Noninterest-bearing demand deposits | 319,861,000 | 220,520,000
Interest-bearing demand deposits | 311,482,000 | 231,644,000
Money Market and Savings deposits | 641,945,000 | 543,645,000
Time deposits | 649,169,000 | 443,547,000
Securities sold under agreements to repurchase | 11,756,000 | 24,055,000
Federal Home Loan Bank advances and other borrowings | 11,243,000 | 43,600,000
Subordinated debt | 39,190,000 |
Derivative financial instruments | 1,174,000 |
Fair Value, Inputs, Level 1 [Member] |  |
Assets: |  |
Cash and cash equivalents | 115,822,000 | 113,027,000
Securities available-for-sale | 0 | 0
Liabilities: |  |
Derivative financial instruments | 0 |
Fair Value, Inputs, Level 2 [Member] |  |
Assets: |  |
Securities available-for-sale | 201,688,000 | 151,944,000
Liabilities: |  |
Noninterest-bearing demand deposits | 319,861,000 | 220,520,000
Interest-bearing demand deposits | 311,482,000 | 231,644,000
Money Market and Savings deposits | 641,945,000 | 543,645,000
Time deposits | 649,169,000 | 443,547,000
Securities sold under agreements to repurchase | 11,756,000 | 24,055,000
Federal Home Loan Bank advances and other borrowings | 11,243,000 | 43,600,000
Derivative financial instruments | 1,174,000 |
Fair Value, Inputs, Level 3 [Member] |  |
Assets: |  |
Securities available-for-sale | 0 | 0
Loans, net | 1,766,838,000 | $ 1,292,303,000
Liabilities: |  |
Subordinated debt | $ 39,190,000 |

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