Fair Value Schedule of Financial Assets and Liabilities measured on recurring basis (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgages Held-for-sale, Fair Value Disclosure	$ 12,278,000	$ 4,158,000
Derivative Asset	221,000	87,000
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	575,000
Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Swaps, fair value	1,870,000
Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Swaps, fair value	226,000	226,000
Recurring basis
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgages Held-for-sale, Fair Value Disclosure	12,278,000	4,158,000
Derivative Asset	221,000	87,000
Recurring basis \| Obligations of States and Political Subdivisions
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments, Fair Value Disclosure	320,491,000
Recurring basis \| U S Government Sponsored Entities Asset Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments, Fair Value Disclosure	889,210,000	1,003,421,000
Recurring basis \| Equity securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments, Fair Value Disclosure	1,993,000	1,649,000
Recurring basis \| Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	1,870,000
Swaps, fair value	1,870,000
Recurring basis \| Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Swaps, fair value	226,000	226,000
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	0	0
Level 1 \| Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	0
Level 1 \| Recurring basis \| Equity securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments, Fair Value Disclosure	1,537,000	1,225,000
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgages Held-for-sale, Fair Value Disclosure	12,278,000	4,158,000
Derivative Asset	221,000	87,000
Level 2 \| Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	1,870,000
Swaps, fair value	1,870,000
Level 2 \| Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	575,000
Level 2 \| Recurring basis
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgages Held-for-sale, Fair Value Disclosure	12,278,000	4,158,000
Derivative Asset	221,000	87,000
Level 2 \| Recurring basis \| Obligations of States and Political Subdivisions
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments, Fair Value Disclosure	320,491,000
Level 2 \| Recurring basis \| U S Government Sponsored Entities Asset Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments, Fair Value Disclosure	889,210,000	1,003,421,000
Level 2 \| Recurring basis \| Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	1,870,000
Swaps, fair value	1,870,000
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	0	0
Fair Value, Inputs, Level 3 [Member] \| Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	0
Fair Value, Inputs, Level 3 [Member] \| Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Swaps, fair value	226,000	226,000
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	0
Fair Value, Inputs, Level 3 [Member] \| Recurring basis \| Equity securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments, Fair Value Disclosure	456,000	424,000
Fair Value, Inputs, Level 3 [Member] \| Recurring basis \| Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Swaps, fair value	$ 226,000	$ 226,000

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Amount of unrealized gain (loss) related to derivatives designated as cash flow hedging instruments, recorded in results of operations to the extent that the cash flow hedge is determined to be ineffective.

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