Loans and Allowance for Credit Losses - Schedule of Loans Classified by Aging Analysis (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
30-59 Days Past Due | Land development
Loans and Allowance for Credit Losses
Financing receivables by class		$ 29
30-59 Days Past Due | Owner occupied one- to four-family residential
Loans and Allowance for Credit Losses
Financing receivables by class	$ 2,568	843
30-59 Days Past Due | Commercial real estate
Loans and Allowance for Credit Losses
Financing receivables by class	196
30-59 Days Past Due | Commercial business
Loans and Allowance for Credit Losses
Financing receivables by class	8	1,404
30-59 Days Past Due | Consumer auto
Loans and Allowance for Credit Losses
Financing receivables by class	100	229
30-59 Days Past Due | Consumer other
Loans and Allowance for Credit Losses
Financing receivables by class	288	126
30-59 Days Past Due | Home equity lines of credit
Loans and Allowance for Credit Losses
Financing receivables by class	234
30-59 Days Past Due | Total
Loans and Allowance for Credit Losses
Financing receivables by class	3,394	2,631
30-59 Days Past Due | FDIC-assisted acquired loans included above
Loans and Allowance for Credit Losses
Financing receivables by class	253	433
60-89 Days Past Due | Land development
Loans and Allowance for Credit Losses
Financing receivables by class		15
60-89 Days Past Due | Owner occupied one- to four-family residential
Loans and Allowance for Credit Losses
Financing receivables by class	462	2
60-89 Days Past Due | Non-owner occupied one- to four-family residential
Loans and Allowance for Credit Losses
Financing receivables by class	63
60-89 Days Past Due | Consumer auto
Loans and Allowance for Credit Losses
Financing receivables by class	34	31
60-89 Days Past Due | Consumer other
Loans and Allowance for Credit Losses
Financing receivables by class	114	28
60-89 Days Past Due | Home equity lines of credit
Loans and Allowance for Credit Losses
Financing receivables by class	38
60-89 Days Past Due | Total
Loans and Allowance for Credit Losses
Financing receivables by class	711	76
60-89 Days Past Due | FDIC-assisted acquired loans included above
Loans and Allowance for Credit Losses
Financing receivables by class	4
Over 90 Days Past Due | Land development
Loans and Allowance for Credit Losses
Financing receivables by class	384	468
Over 90 Days Past Due | Owner occupied one- to four-family residential
Loans and Allowance for Credit Losses
Financing receivables by class	722	2,216
Over 90 Days Past Due | Commercial real estate
Loans and Allowance for Credit Losses
Financing receivables by class	1,579	2,006
Over 90 Days Past Due | Commercial business
Loans and Allowance for Credit Losses
Financing receivables by class	586
Over 90 Days Past Due | Consumer auto
Loans and Allowance for Credit Losses
Financing receivables by class	14	34
Over 90 Days Past Due | Consumer other
Loans and Allowance for Credit Losses
Financing receivables by class	111	63
Over 90 Days Past Due | Home equity lines of credit
Loans and Allowance for Credit Losses
Financing receivables by class	274	636
Over 90 Days Past Due | Total
Loans and Allowance for Credit Losses
Financing receivables by class	3,670	5,423
Over 90 Days Past Due | FDIC-assisted acquired loans included above
Loans and Allowance for Credit Losses
Financing receivables by class	428	1,736
Total Past Due | Land development
Loans and Allowance for Credit Losses
Financing receivables by class	384	512
Total Past Due | Owner occupied one- to four-family residential
Loans and Allowance for Credit Losses
Financing receivables by class	3,752	3,061
Total Past Due | Non-owner occupied one- to four-family residential
Loans and Allowance for Credit Losses
Financing receivables by class	63
Total Past Due | Commercial real estate
Loans and Allowance for Credit Losses
Financing receivables by class	1,775	2,006
Total Past Due | Commercial business
Loans and Allowance for Credit Losses
Financing receivables by class	594	1,404
Total Past Due | Consumer auto
Loans and Allowance for Credit Losses
Financing receivables by class	148	294
Total Past Due | Consumer other
Loans and Allowance for Credit Losses
Financing receivables by class	513	217
Total Past Due | Home equity lines of credit
Loans and Allowance for Credit Losses
Financing receivables by class	546	636
Total Past Due | Total
Loans and Allowance for Credit Losses
Financing receivables by class	7,775	8,130
Total Past Due | FDIC-assisted acquired loans included above
Loans and Allowance for Credit Losses
Financing receivables by class	685	2,169
Current | One- to four-family residential construction
Loans and Allowance for Credit Losses
Financing receivables by class	33,849	28,302
Current | Subdivision construction
Loans and Allowance for Credit Losses
Financing receivables by class	32,067	26,694
Current | Land development
Loans and Allowance for Credit Losses
Financing receivables by class	41,229	47,315
Current | Commercial construction
Loans and Allowance for Credit Losses
Financing receivables by class	757,690	617,505
Current | Owner occupied one- to four-family residential
Loans and Allowance for Credit Losses
Financing receivables by class	774,781	558,897
Current | Non-owner occupied one- to four-family residential
Loans and Allowance for Credit Losses
Financing receivables by class	124,807	119,635
Current | Commercial real estate
Loans and Allowance for Credit Losses
Financing receivables by class	1,528,888	1,474,224
Current | Other residential
Loans and Allowance for Credit Losses
Financing receivables by class	781,761	697,903
Current | Commercial business
Loans and Allowance for Credit Losses
Financing receivables by class	292,634	279,109
Current | Industrial revenue bonds
Loans and Allowance for Credit Losses
Financing receivables by class	12,852	14,203
Current | Consumer auto
Loans and Allowance for Credit Losses
Financing receivables by class	37,133	48,621
Current | Consumer other
Loans and Allowance for Credit Losses
Financing receivables by class	33,219	37,685
Current | Home equity lines of credit
Loans and Allowance for Credit Losses
Financing receivables by class	122,696	119,329
Current | Total
Loans and Allowance for Credit Losses
Financing receivables by class	4,573,606	4,069,422
Current | FDIC-assisted acquired loans included above
Loans and Allowance for Credit Losses
Financing receivables by class	57,923	72,001
Total Loans Receivable | One- to four-family residential construction
Loans and Allowance for Credit Losses
Financing receivables by class	33,849	28,302
Total Loans Receivable | Subdivision construction
Loans and Allowance for Credit Losses
Financing receivables by class	32,067	26,694
Total Loans Receivable | Land development
Loans and Allowance for Credit Losses
Financing receivables by class	41,613	47,827
Total Loans Receivable | Commercial construction
Loans and Allowance for Credit Losses
Financing receivables by class	757,690	617,505
Total Loans Receivable | Owner occupied one- to four-family residential
Loans and Allowance for Credit Losses
Financing receivables by class	778,533	561,958
Total Loans Receivable | Non-owner occupied one- to four-family residential
Loans and Allowance for Credit Losses
Financing receivables by class	124,870	119,635
Total Loans Receivable | Commercial real estate
Loans and Allowance for Credit Losses
Financing receivables by class	1,530,663	1,476,230
Total Loans Receivable | Other residential
Loans and Allowance for Credit Losses
Financing receivables by class	781,761	697,903
Total Loans Receivable | Commercial business
Loans and Allowance for Credit Losses
Financing receivables by class	293,228	280,513
Total Loans Receivable | Industrial revenue bonds
Loans and Allowance for Credit Losses
Financing receivables by class	12,852	14,203
Total Loans Receivable | Consumer auto
Loans and Allowance for Credit Losses
Financing receivables by class	37,281	48,915
Total Loans Receivable | Consumer other
Loans and Allowance for Credit Losses
Financing receivables by class	33,732	37,902
Total Loans Receivable | Home equity lines of credit
Loans and Allowance for Credit Losses
Financing receivables by class	123,242	119,965
Total Loans Receivable | Total
Loans and Allowance for Credit Losses
Financing receivables by class	4,581,381	4,077,552
Total Loans Receivable | FDIC-assisted acquired loans included above
Loans and Allowance for Credit Losses
Financing receivables by class	$ 58,608	$ 74,170