Parent Company Financial Information (Condensed Statements of Cash Flows, Parent Only) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net Income	$ 15,368,000	$ 15,730,000
Adjustments to reconcile net income to cash provided by operating activities:
Amortization of debt issuance costs	123,000	40,000
Stock-based compensation expense	378,000	263,000
Company owned life insurance income	1,090,000	917,000
Net decrease in other assets	(3,045,000)	(255,000)
Net (decrease) increase in other liabilities	1,930,000	2,317,000
Net cash (used in) provided by operating activities	(7,503,000)	18,430,000
Cash flows from investing activities:
Purchases of bank owned life insurance	(10,203,000)	(319,000)
Net cash (used in) investing activities	38,193,000	(280,080,000)
Cash flows from financing activities:
Proceeds from the issuance of subordinated debt, net of issuance costs		24,389,000
Common stock dividends paid		0
Exercise of stock options	6,000	3,000
Repurchase of shares for tax withholding on exercised options and vested restricted stock		(39,000)
Net cash provided by financing activities	366,006,000	353,596,000
Net increase in cash and cash equivalents	396,696,000	91,946,000
Cash and cash equivalents at beginning of period	186,917,000	94,971,000
Cash and cash equivalents at end of period	583,613,000	186,917,000
Parent Company [Member]
Cash flows from operating activities:
Net Income	15,368,000	15,730,000
Adjustments to reconcile net income to cash provided by operating activities:
Deficit (equity) in undistributed net income of subsidiaries	5,900,000	(16,957,000)
Amortization of debt issuance costs	123,000	40,000
Stock-based compensation expense	378,000	263,000
Company owned life insurance income	110,000	152,000
Acquisition accounting adjustments	31,000
Net decrease in other assets	(1,552,000)	(250,000)
Net (decrease) increase in other liabilities	(142,000)	1,485,000
Net cash (used in) provided by operating activities	19,996,000	159,000
Cash flows from investing activities:
Purchases of bank owned life insurance	(192,000)	(319,000)
Acquisition of business activity, net of cash paid	(15,945,000)
Net cash (used in) investing activities	(16,137,000)	(319,000)
Cash flows from financing activities:
Proceeds from the issuance of subordinated debt, net of issuance costs		24,389,000
Common stock dividends paid	(6,607,000)	(5,950,000)
Retirement of common stock	(819,000)	(9,112,000)
Exercise of stock options	6,000	3,000
Repurchase of shares for tax withholding on exercised options and vested restricted stock		(39,000)
Net cash provided by financing activities	(7,420,000)	9,291,000
Net increase in cash and cash equivalents	(3,561,000)	9,131,000
Cash and cash equivalents at beginning of period	16,653,000	7,522,000
Cash and cash equivalents at end of period	$ 13,092,000	$ 16,653,000