Business Combinations (Allocation of Purchase Price) (Details) - USD ($) $ in Thousands				4 Months Ended	12 Months Ended
	Sep. 01, 2021	May 03, 2021	Mar. 01, 2020	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Consideration transferred:
Goodwill				$ 91,565	$ 91,565	$ 74,135	$ 65,614
Sevier County Bancshares Inc [Member]
Assets:
Cash and cash equivalents	$ 84,313			84,313	84,313
Investment securities available-for-sale	64,219			63,605	63,605
Restricted investments	533			533	533
Loans	304,620			297,020	297,020
Allowance for loan losses	(3,644)
Premises and equipment	15,579			15,262	15,262
Core deposit intangible				1,550	1,550
Bank owned life insurance	7,116			7,116	7,116
Deferred tax asset, net	10,340			7,102	7,102
Interest Receivable	884			884	884
Other assets	920			115	115
Total assets acquired	484,880			477,500	477,500
Liabilities:
Deposits	435,036			435,036	435,036
Time deposit premium				888	888
Subordinated debt	2,500			2,500	2,500
Payables and other liabilities	5,563			4,424	4,424
Total liabilities assumed	443,099			442,848	442,848
Total fair value of net assets acquired	41,781			34,652	34,652
Cash consideration paid	$ 9,600				9,568
Common stock issued					42,255
Number of shares issued (in shares)	1,692,168
Business Combination, Consideration Transferred, Total					51,823
Assets:
Investment securities available-for-sale	$ (614)
Loans	(4,551)			(3,049)
Allowance for loan losses	3,644
Premises and equipment, net	(295)			(22)
Deferred tax asset, net	(4,007)			769
Core deposit intangible	1,550
Other assets	(272)			(533)
Total assets acquired	(4,545)			(2,835)
Liabilities:
Time deposit premium	888
Payables and other liabilities	115			(1,254)
Total liabilities assumed	1,003			(1,254)
Consideration transferred:
Aggregate fair value adjustments	(5,548)			(1,581)
Goodwill	$ 17,200			17,171	17,171
Fountain [Member]
Assets:
Cash and cash equivalents		$ 413		413	413
Leases		54,945		54,225	54,225
Allowance for loan losses		(1,796)
Intangibles				2,658	2,658
Other repossessed assets		319		319	319
Other assets		233		233	233
Total assets acquired		54,114		57,848	57,848
Liabilities:
Payables and other liabilities		683		454	454
Total liabilities assumed		683		454	454
Total fair value of net assets acquired		53,431		57,394	57,394
Cash consideration paid		14,000			59,794
Business Combination, Consideration Transferred, Total					59,794
Assets:
Leases		(720)
Allowance for loan losses		1,796
Intangibles		2,658
Total assets acquired		3,734
Liabilities:
Payables and other liabilities		(229)
Total liabilities assumed		(229)
Consideration transferred:
Aggregate fair value adjustments		3,963
Goodwill		$ 2,400		2,400	2,400
Progressive Financial Group Inc. [Member]
Assets:
Cash and cash equivalents			$ 55,971	55,971	55,971
Investment securities available-for-sale			27,054	27,257	27,257
Restricted investments			692	692	692
Loans			191,672	187,981	187,981
Allowance for loan losses			(2,832)
Premises and equipment			15,681	12,762	12,762
Bank owned life insurance			5,560	5,560	5,560
Deferred tax asset, net				1,006	1,006
Intangibles				2,497	2,497
Other real estate owned			3,695	1,733	1,733
Interest Receivable			1,061	781	781
Prepaids			375	201	201
Goodwill			231
Other assets			1,881	1,881	1,881
Total assets acquired			301,041	298,322	298,322
Liabilities:
Deposits			271,276	271,276	271,276
Time deposit premium				729	729
Payables and other liabilities			776	776	776
Total liabilities assumed			272,052	272,781	272,781
Total fair value of net assets acquired			28,989	25,541	25,541
Cash consideration paid			$ 9,800		9,838
Common stock issued					24,547
Number of shares issued (in shares)			1,292,578
Business Combination, Consideration Transferred, Total					34,385
Assets:
Investment securities available-for-sale			$ 203
Loans			(3,691)
Allowance for loan losses			2,832
Premises and equipment, net			(2,919)
Deferred tax asset, net			813		193
Intangibles			1,370		1,127
Other real estate owned			(100)		(1,862)
Interest Receivable			(280)
Prepaids			(174)
Goodwill			(231)
Total assets acquired			(2,177)		(542)
Liabilities:
Time deposit premium			729
Total liabilities assumed			729
Consideration transferred:
Aggregate fair value adjustments			(2,906)		(542)
Goodwill			$ 8,800	$ 8,844	$ 8,844