Business Combinations (Allocation of Purchase Price) (Details) - USD ($) $ in Thousands			3 Months Ended	7 Months Ended	11 Months Ended
	Sep. 01, 2021	May 03, 2021	Mar. 31, 2022	Mar. 31, 2022	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Consideration transferred:
Goodwill			$ 91,565	$ 91,565	$ 91,565	$ 91,565	$ 74,135
Sevier County Bancshares Inc [Member]
Assets:
Cash and cash equivalents	$ 84,313		84,313	84,313	84,313
Investment securities available-for-sale	64,219		63,605	63,605	63,605
Restricted investments	533		533	533	533
Loans	304,620		297,020	297,020	297,020
Allowance for loan losses	(3,644)
Premises and equipment	15,579		15,262	15,262	15,262
Core deposit intangible			1,550	1,550	1,550
Bank owned life insurance	7,116		7,116	7,116	7,116
Deferred tax asset, net	10,340		7,102	7,102	7,102
Interest Receivable	884		884	884	884
Other assets	920		115	115	115
Total assets acquired	484,880		477,500	477,500	477,500
Liabilities:
Deposits	435,036		435,036	435,036	435,036
Time deposit premium			888	888	888
Subordinated debt	2,500		2,500	2,500	2,500
Payables and other liabilities	5,563		4,424	4,424	4,424
Total liabilities assumed	443,099		442,848	442,848	442,848
Excess of assets acquired over liabilities assumed	41,781		$ 34,652	34,652	34,652
Cash	$ 9,600			9,568
Common stock issued				42,255
Number of shares issued (in shares)	1,692,168		1,692,168
Total fair value of consideration transferred				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	17,171
Fountain [Member]
Assets:
Cash and cash equivalents		$ 413	413	413	413
Leases		54,945	54,225	54,225	54,225
Allowance for loan losses		(1,796)
Intangibles			2,658	2,658	2,658
Other repossessed assets		319	319	319	319
Other assets		233	233	233	233
Total assets acquired		54,114	57,848	57,848	57,848
Liabilities:
Payables and other liabilities		683	454	454	454
Total liabilities assumed		683	454	454	454
Excess of assets acquired over liabilities assumed		53,431	57,394	57,394	57,394
Cash		14,000			59,794
Total fair value of consideration transferred					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	$ 2,400