Reportable Segments (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Interest expense	$ 6,123,000		$ 6,654,000		$ 12,149,000	$ 13,160,000
Net interest income	14,597,000		13,416,000		28,541,000	26,720,000
Noninterest income	7,693,000		7,521,000		14,222,000	13,559,000
Salaries and employee benefits	7,168,000		6,827,000		13,956,000	13,807,000
Occupancy	2,058,000		2,105,000		4,086,000	4,216,000
Appraisal management fee expense	3,156,000		2,523,000		5,575,000	4,427,000
Noninterest expense	15,840,000		15,131,000		30,413,000	29,647,000
Income tax expense (benefit)	1,503,000		1,386,000		2,790,000	2,173,000
Net earnings	5,160,000	$ 4,345,000	4,888,000	$ 3,948,000	9,505,000	8,836,000
Total assets	1,693,845,000				1,693,845,000		$ 1,651,962,000
Banking Operations [Member]
Interest income	20,712,000		20,062,000		40,675,000	39,863,000
Interest expense	5,881,000		6,371,000		11,666,000	12,593,000
Net interest income	14,831,000		13,691,000		29,009,000	27,270,000
Provision for credit losses	(213,000)		(468,000)		55,000	(377,000)
Noninterest income	3,720,000		4,340,000		7,207,000	7,964,000
Appraisal management fee income	0		0		0	0
Salaries and employee benefits	6,895,000		6,548,000		13,361,000	13,231,000
Occupancy	2,057,000		2,098,000		4,075,000	4,208,000
Appraisal management fee expense	0		0		0	0
Noninterest expense	3,138,000		3,374,000		6,221,000	6,687,000
Income tax expense (benefit)	1,497,000		1,423,000		2,822,000	2,264,000
Net earnings	5,177,000		5,056,000		9,682,000	9,221,000
Total assets	1,688,255,000		1,650,872,000		1,688,255,000	1,650,872,000
CBRES [Member]
Interest income	0		0		0	0
Interest expense	0		0		0	0
Net interest income	0		0		0	0
Provision for credit losses	0		0		0	0
Noninterest income	0		0		0	0
Appraisal management fee income	3,973,000		3,181,000		7,015,000	5,595,000
Salaries and employee benefits	180,000		178,000		400,000	374,000
Occupancy	1,000		7,000		11,000	8,000
Appraisal management fee expense	3,156,000		2,523,000		5,575,000	4,427,000
Noninterest expense	227,000		214,000		415,000	361,000
Income tax expense (benefit)	94		60,000		141,000	98,000
Net earnings	315,000		199,000		473,000	327,000
Total assets	4,888,000		4,035,000		4,888,000	4,035,000
Other [Member]
Interest income	8,000		8,000		15,000	17,000
Interest expense	242,000		283,000		483,000	567,000
Net interest income	(234,000)		(275,000)		(468,000)	(550,000)
Provision for credit losses	0		0		0	0
Noninterest income	0		0		0	0
Appraisal management fee income	0		0		0	0
Salaries and employee benefits	93,000		101,000		195,000	202,000
Occupancy	0		0		0	0
Appraisal management fee expense	0		0		0	0
Noninterest expense	93,000		88,000		160,000	149,000
Income tax expense (benefit)	(88,000)		(97,000)		(173,000)	(189,000)
Net earnings	(332,000)		(367,000)		(650,000)	(712,000)
Total assets	702,000		491,000		702,000	491,000
Consolidated [Member]
Interest income	20,720,000		20,070,000		40,690,000	39,880,000
Interest expense	6,123,000		6,654,000		12,149,000	13,160,000
Net interest income	14,597,000		13,416,000		28,541,000	26,720,000
Provision for credit losses	(213,000)		(468,000)		55,000	(377,000)
Noninterest income	3,720,000		4,340,000		7,207,000	7,964,000
Appraisal management fee income	3,973,000		3,181,000		7,015,000	5,595,000
Salaries and employee benefits	7,168,000		6,827,000		13,956,000	13,807,000
Occupancy	2,058,000		2,105,000		4,086,000	4,216,000
Appraisal management fee expense	3,156,000		2,523,000		5,575,000	4,427,000
Noninterest expense	3,458,000		3,676,000		6,796,000	7,197,000
Income tax expense (benefit)	1,503,000		1,386,000		2,790,000	2,173,000
Net earnings	5,160,000		4,888,000		9,505,000	8,836,000
Total assets	$ 1,693,845,000		$ 1,655,398,000		$ 1,693,845,000	$ 1,655,398,000