CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net income	$ 7,166,000	$ 5,968,000
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	1,061,000	966,000
Amortization of deferred loan fees	(1,403,000)	(1,317,000)
Net amortization of premiums and discounts	120,000	174,000
Reversal of provision for loan losses	(500,000)	(300,000)
Write-downs and losses on real estate acquired through foreclosure, net of gains	244,000	54,000
Gain on sale of mortgage loans	(2,915,000)	(1,970,000)
Proceeds from sale of mortgage loans held for sale	130,129,000	64,815,000
Originations of loans held for sale	(135,766,000)	(67,338,000)
Stock-based compensation	109,000	169,000
Increase in cash surrender value of bank-owned life insurance	(116,000)	(122,000)
Deferred income taxes	435,000	2,083,000
Decrease (increase) in accrued interest receivable	334,000	(49,000)
Increase in other assets	(2,567,000)	(1,408,000)
Increase in accrued expenses and other liabilities	2,874,000	2,808,000
Net cash (used in) provided by operating activities	(795,000)	4,533,000
Cash flows from investing activities:
Redemption of certificates of deposit held for investment	1,240,000
Loan principal repayments, net of (disbursements)	22,722,000	(19,943,000)
Redemption of restricted stock investments	1,335,000	623,000
Purchases of premises and equipment, net	(700,000)	(758,000)
Activity in securities held to maturity:
Maturities/calls/repayments	8,535,000	11,093,000
Activity in available-for-sale securities:
Purchases		(2,000,000)
Maturities/calls/repayments	3,000,000
Proceeds from sales of real estate acquired through foreclosure	107,000	64,000
Net cash provided by (used in) investing activities	36,239,000	(10,921,000)
Cash flows from financing activities:
Net (decrease) increase in deposits	(122,352,000)	91,949,000
Additional long-term borrowings		46,500,000
Repayments of long-term borrowings	(35,000,000)	(61,500,000)
Common stock dividends	(1,276,000)	(1,128,000)
Preferred stock dividends		(70,000)
Exercise of stock options	97,000	100,000
Net cash (used in) provided by financing activities	(158,531,000)	75,851,000
(Decrease) increase in cash and cash equivalents	(123,087,000)	69,463,000
Cash and cash equivalents at beginning of period	188,340,000	21,853,000
Cash and cash equivalents at end of period	65,253,000	91,316,000
Supplemental Noncash Disclosures:
Interest paid on deposits and borrowed funds	7,148,000	6,144,000
Income taxes paid	1,919,000	$ 96,000
Real estate acquired in satisfaction of loans	687,000
Initial recognition of operating lease right-of-use asset	2,684,000
Initial recognition of operating lease liability	2,684,000
Transfers of loans held for sale to loan portfolio	$ 648,000