Consolidated Statement of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Apr. 17, 2020
Cash Flows from Operating Activities:
Net income	$ 25,103,000	$ 19,490,000	$ 18,034,000
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	2,400,000	1,675,000	1,925,000
Depreciation and amortization	(2,822,000)	498,000	387,000
Amortization and accretion of investment securities	1,155,000	308,000	999,000
Deferred income taxes	367,000	317,000	(435,000)
Equity security (gains) losses, net	41,000	(120,000)	0
Available for sale security (gains) losses, net	(305,000)	(24,000)	19,000
Earnings on bank owned life insurance	(695,000)	(623,000)	(622,000)
Stock awards	473,000	369,000	308,000
Originations of loans held for sale	(88,024,000)	(21,157,000)	(19,153,000)
Proceeds from sales of loans held for sale	75,809,000	21,780,000	19,696,000
Realized gains on loans sold	(2,168,000)	(473,000)	(382,000)
Increase in accrued interest receivable	(857,000)	(103,000)	(256,000)
Increase (decrease) in accrued interest payable	(235,000)	12,000	179,000
Other, net	1,580,000	(182,000)	787,000
Net cash (used in) provided by operating activities	11,822,000	21,767,000	21,486,000
Available-for-sale securities:
Proceeds from sales of available-for-sale securities	23,415,000	10,489,000	27,149,000
Proceeds from maturity and principal repayments of securities	70,008,000	62,625,000	54,041,000
Purchase of securities	(143,987,000)	(68,963,000)	(67,899,000)
Purchase of equity securities	(1,339,000)	(65,000)	(425,000)
Proceeds from sale of equity securities	168,000	0	0
Proceeds from redemption of Regulatory Stock	9,454,000	10,787,000	10,209,000
Purchase of Regulatory Stock	(7,396,000)	(11,526,000)	(9,537,000)
Net increase in loans	(63,440,000)	(37,492,000)	(81,113,000)
Purchase of interest bearing time deposits	(350,000)	(248,000)	(6,457,000)
Proceeds from matured interest bearing time deposits with other banks	848,000	1,490,000	0
Proceeds from sale of interest bearing time deposits with other banks	0	0	1,239,000
Purchase of premises, equipment and software	(942,000)	(483,000)	(500,000)
Proceeds from sale of premises and equipment	0	7,000	0
Proceeds from sale of foreclosed assets held for sale	1,805,000	1,056,000	942,000
Acquisition, net of cash paid	1,022,000	0	0
Net cash provided by (used in) investing activities	(110,734,000)	(32,323,000)	(72,351,000)
Cash Flows from Financing Activities:
Net increase in deposits	168,914,000	25,962,000	80,213,000
Proceeds from long-term borrowings	20,000,000	10,000,000	10,000
Repayments of long-term borrowings	(15,000,000)	(3,123,000)	(1,000,000)
Net decrease in short-term borrowed funds	(16,280,000)	(12,954,000)	(22,480,000)
Purchase of treasury stock	(2,122,000)	(1,291,000)	(1,175,000)
Purchase of restricted stock	0	0	(307,000)
Sale of treasury stock to employee stock purchase plan	126,000	0	0
Dividends paid	(6,539,000)	(6,315,000)	(6,116,000)
Net cash provided by financing activities	149,099,000	12,279,000	49,145,000
Net increase (decrease) in cash and cash equivalents	50,187,000	1,723,000	(1,720,000)
Cash and Cash Equivalents at Beginning of Year	18,520,000	16,797,000	18,517,000
Cash and Cash Equivalents at End of Year	68,707,000	18,520,000	16,797,000
Supplemental Disclosures of Cash Flow Information:
Interest paid	8,175,000	12,028,000	9,395,000
Income taxes paid	4,750,000	3,300,000	3,050,000
Non-cash activities
Stock dividend	1,916,000	2,102,000	2,142,000
Real estate acquired in settlement of loans	281,000	3,836,000	393,000
Investments purchased and not settled included in other liabilities	0	0	1,564,000
Right of use asset and liability	636,000	1,454,000	$ 0
Non-cash assets acquired
Goodwill	$ 31,376,000	$ 23,296,000
MidCoast Community Bancorp, Inc [Member]
Non-cash assets acquired
Loans				$ 223,235,000
Premises and equipment				1,787,000
Accrued interest receivable				586,000
Bank owned life insurance				3,766,000
Intangibles				157,000
Deferred tax asset				3,402,000
Other assets				2,878,000
Goodwill				8,080,000
Total Non-cash assets acquired				243,891,000
Liabilities assumed
Noninterest-bearing deposits				38,694,000
Interest-bearing deposits				170,132,000
Accrued interest payable				164,000
Borrowed funds				15,497,000
Other liabilities				1,198,000
Total liabilities assumed				225,685,000
Net non-cash liabilities acquired				18,206,000
Cash and cash equivalents acquired				$ 8,637,000