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Fair Value of Assets and Liabilities (Fair Value, by Balance Sheet Grouping) (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018 | Jun. 30, 2018 | Dec. 31, 2017
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Financial assets: Cash and cash equivalents, Fair Value Disclosure | $ 18,472 | $ 18,348 |  |
Financial assets: Loans receivable, net, Fair Value Disclosure | 893,855 | 840,134 |  |
Financial assets: Mortgage servicing rights, Fair Value Disclosure | 223 | 220 |  |
Financial assets: Regulatory stock, Fair Value Disclosure | 3,155 | 3,926 |  |
Financial assets: Bank owned life insurance, Fair Value Disclosure | 38,340 | 37,932 |  |
Financial assets: Accrued interest receivable, Fair Value Disclosure | 3,979 | 3,776 |  |
Financial liabilities: Deposits, Fair Value Disclosure | 984,342 | 945,773 |  |
Financial liabilities: Short-term borrowings, Fair Value Disclosure | 48,094 | 53,046 |  |
Financial liabilities: Other borrowings, Fair Value Disclosure | 44,305 | 52,043 |  |
Financial liabilities: Accrued interest payable, Fair Value Disclosure | 3,008 | 1,806 |  |
Off-balance sheet financial instruments: Commitments to extend credit and outstanding letters of credit, Fair Value Disclosure | 0 | 0 |  |
Financial assets: Cash and cash equivalents | 18,472 | 18,348 | $ 16,107 | $ 16,697
Financial assets: Loans receivable, net | 879,445 | 841,730 |  |
Financial assets: Mortgage servicing rights | 183 | 178 |  |
Financial assets: Regulatory stock | 3,155 | 3,926 |  |
Financial assets: Bank owned life insurance | 38,340 | 37,932 |  |
Financial assets: Accrued interest receivable | 3,979 | 3,776 |  |
Financial liabilities: Deposits | 981,224 | 946,780 |  |
Financial liabilities: Short-term borrowings | 48,094 | 53,046 |  |
Financial liabilities: Other borrowings | 44,024 | 52,284 |  |
Financial liabilities: Accrued interest payable | 3,008 | 1,806 |  |
Off-balance sheet financial instruments: Commitments to extend credit and outstanding letters of credit | 0 | 0 |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Financial assets: Cash and cash equivalents, Fair Value Disclosure | 18,472 | 18,348 |  |
Financial assets: Loans receivable, net, Fair Value Disclosure | 0 | 0 |  |
Financial assets: Mortgage servicing rights, Fair Value Disclosure | 0 | 0 |  |
Financial assets: Regulatory stock, Fair Value Disclosure | 3,155 | 3,926 |  |
Financial assets: Bank owned life insurance, Fair Value Disclosure | 38,340 | 37,932 |  |
Financial assets: Accrued interest receivable, Fair Value Disclosure | 3,979 | 3,776 |  |
Financial liabilities: Deposits, Fair Value Disclosure | 627,151 | 601,604 |  |
Financial liabilities: Short-term borrowings, Fair Value Disclosure | 48,094 | 53,046 |  |
Financial liabilities: Other borrowings, Fair Value Disclosure | 0 | 0 |  |
Financial liabilities: Accrued interest payable, Fair Value Disclosure | 3,008 | 1,806 |  |
Off-balance sheet financial instruments: Commitments to extend credit and outstanding letters of credit, Fair Value Disclosure | 0 | 0 |  |
Significant Other Observable Inputs (Level 2) [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Financial assets: Cash and cash equivalents, Fair Value Disclosure | 0 | 0 |  |
Financial assets: Loans receivable, net, Fair Value Disclosure | 0 | 0 |  |
Financial assets: Mortgage servicing rights, Fair Value Disclosure | 0 | 0 |  |
Financial assets: Regulatory stock, Fair Value Disclosure | 0 | 0 |  |
Financial assets: Bank owned life insurance, Fair Value Disclosure | 0 | 0 |  |
Financial assets: Accrued interest receivable, Fair Value Disclosure | 0 | 0 |  |
Financial liabilities: Deposits, Fair Value Disclosure | 0 | 0 |  |
Financial liabilities: Short-term borrowings, Fair Value Disclosure | 0 | 0 |  |
Financial liabilities: Other borrowings, Fair Value Disclosure | 0 | 0 |  |
Financial liabilities: Accrued interest payable, Fair Value Disclosure | 0 | 0 |  |
Off-balance sheet financial instruments: Commitments to extend credit and outstanding letters of credit, Fair Value Disclosure | 0 | 0 |  |
Significant Unobservable Inputs (Level 3) [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Financial assets: Cash and cash equivalents, Fair Value Disclosure | 0 | 0 |  |
Financial assets: Loans receivable, net, Fair Value Disclosure | 893,855 | 840,134 |  |
Financial assets: Mortgage servicing rights, Fair Value Disclosure | 223 | 220 |  |
Financial assets: Regulatory stock, Fair Value Disclosure | 0 | 0 |  |
Financial assets: Bank owned life insurance, Fair Value Disclosure | 0 | 0 |  |
Financial assets: Accrued interest receivable, Fair Value Disclosure | 0 | 0 |  |
Financial liabilities: Deposits, Fair Value Disclosure | 357,191 | 344,169 |  |
Financial liabilities: Short-term borrowings, Fair Value Disclosure | 0 | 0 |  |
Financial liabilities: Other borrowings, Fair Value Disclosure | 44,305 | 52,043 |  |
Financial liabilities: Accrued interest payable, Fair Value Disclosure | 0 | 0 |  |
Off-balance sheet financial instruments: Commitments to extend credit and outstanding letters of credit, Fair Value Disclosure | $ 0 | $ 0 |  |

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- Definition Fair value as of the balance sheet date of interest receivable. + References No definition available. + Details
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- Definition The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586 + Details
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- Definition Fair value portion of the amount that could be realized under a life insurance contract or contracts owned by the entity, commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI). + References No definition available. + Details
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- Definition Fair value portion of arrangements with third parties, including, but not limited to, operating lease arrangement and arrangement in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(25)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64702-112823 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Definition Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 325 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=75031641&loc=d3e63345-112809 + Details
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- Definition Amount of interest payable on debt, including, but not limited to, trade payables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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- Definition Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Fair value portion of investments in Federal Home Loan Bank (FHLBank) stock. + References No definition available. + Details
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- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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- Definition Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 + Details
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- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746 + Details
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- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(1)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date. + References No definition available. + Details
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