Goodwill and Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Mar. 31, 2023
Finite-lived Intangible Assets [Roll Forward]
Balance, beginning of period	$ 21,255
Balance, end of period	23,203
Less: accumulated amortization	(9,576)	$ (10,234)
Total	13,627	12,969
Sevier County Bancshares Inc [Member]
Finite-lived Intangible Assets [Roll Forward]
Acquisition of business	1,948
Core Deposits [Member]
Finite-lived Intangible Assets [Roll Forward]
Balance, beginning of period	17,470
Balance, end of period	17,470
Less: accumulated amortization	(8,021)	(8,461)
Total	9,449	9,009
Customer Relationships [Member]
Finite-lived Intangible Assets [Roll Forward]
Balance, beginning of period	3,722
Balance, end of period	5,670
Less: accumulated amortization	(1,519)	(1,734)
Total	4,151	3,936
Customer Relationships [Member] | Sevier County Bancshares Inc [Member]
Finite-lived Intangible Assets [Roll Forward]
Acquisition of business	1,948
Trade Names [Member]
Finite-lived Intangible Assets [Roll Forward]
Balance, beginning of period	63
Balance, end of period	63
Less: accumulated amortization	(36)	(39)
Total	$ 27	$ 24