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Loans And Allowance (Details) | 12 Months Ended
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Dec. 31, 2017 USD ($) contract borrower loan | Dec. 31, 2016 USD ($) contract loan | Dec. 31, 2015 USD ($)
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amount of loans on which the accrual of interest has been discontinued, totaled | $ 3,300,000 | $ 3,800,000 |
Related party loans | 403,000 | 444,000 | $ 787,000
Amount of interest that would have been accrued from non performing financial receivable, totaled | 200,000 |  | $ 200,000
Amount of loans past due 90 days or more and still accruing interest, totaled | 60,255 | 36,266 |
Loans, net of deferred fees and costs | 271,612,000 | 265,058,000 |
Amount of recorded investment in new troubled debt restructurings, totaled | $ 263,000 | $ 312,000 |
Number of new loans modified as TDRs | loan | 0 | 0 |
Number of TDRs accounts | contract | 2 | 3 |
Non-performing TDRs |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Loans, net of deferred fees and costs | $ 46,162,000 | $ 83,945,000 |
Amount of recorded investment in new troubled debt restructurings, totaled | 216,500,000 | 228,500,000 |
Residential Real estate |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amount of residential real estate loan and receivable, outstanding | 1,293,620 |  |
Amount of residential real estate loan and receivable, specific reserves | $ 513,420 |  |
Number of loan residential real estate | contract | 1 |  |
Number of residential real estate loans borrowers | borrower | 1 |  |
Loans, net of deferred fees and costs | $ 81,926,000 | 93,468,000 |
Consumer |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Amount of consumer and indirect loans, outstanding | 160,004 |  |
Amount of consumer and indirect loans, specific reserves | $ 52,040 |  |
Number of loan consumer and indirect loans | contract | 3 |  |
Number of borrowers | borrower | 3 |  |
Loans, net of deferred fees and costs | $ 16,112,000 | 14,739,000 |
Amount of recorded investment in new troubled debt restructurings, totaled | $ 46,000 | $ 84,000 |
Number of TDRs accounts | contract | 1 | 2 |
Installment | Collateralized Auto Loans |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Loans, net of deferred fees and costs | $ 85,200,000 | $ 71,700,000 |
Performing |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Number of TDRs accounts | contract | 1 | 2 |

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- Definition Loans And Leases Receivable Consumer And Indirect Loans + References No definition available. + Details
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- Definition The allowance for consumer real estate loan and lease losses represents the reserve to cover probable credit losses related to specifically identified consumer real estate loans and leases, as well as probable credit losses inherent in the remainder of the consumer real estate loan portfolio as of the balance sheet date. For banks, include currently required allocated transfer risk reserves. Include carryover of or adjustments to the allowance for consumer real estate loan losses in connection with business combinations determined to be appropriate. + References No definition available. + Details
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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554 + Details
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- Definition Amount before allowance of consumer real estate loans. Includes, but not limited to, construction financing, residential mortgage loans, and home equity lines of credit. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(a)(2),(3),(b)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 + Details
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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 + Details
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- Definition The gross interest income that would have been recorded in the period on troubled debt restructurings, if the loans had been current in accordance with their original terms and had been outstanding throughout the period or since origination, if held for part of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18794-111554 + Details
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