Consolidated Statements of Stockholders' Equity - USD ($)		Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Unearned ESOP Shares	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2020			13,193,760
Beginning balance at Dec. 31, 2020		$ 192,712,708	$ 131,938	$ 124,246,425	$ 78,290,113	$ (13,664,373)	$ 3,708,605
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		11,144,900			11,144,900
Other comprehensive loss		(4,920,616)					(4,920,616)
ESOP shares earned		796,449		60,435		736,014
Granting of restricted stock awards (in shares)			4,000
Granting of restricted stock awards		0	$ 40	(40)
Stock based compensation		1,811,089		1,811,089
Exercised (in shares)	[1]		26,072
Exercise of stock options	[1]	127,573	$ 260	127,313
Common stock dividends ($0.40 per share)		(9,277,120)			(9,277,120)
Repurchase of common stock (in shares)			(823,637)
Repurchase of common stock		(11,913,648)	$ (8,236)	(11,905,412)
Ending balance (in shares) at Dec. 31, 2021			12,400,195
Ending balance at Dec. 31, 2021		180,481,335	$ 124,002	114,339,810	80,157,893	(12,928,359)	(1,212,011)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		12,965,439			12,965,439
Other comprehensive loss		(48,539,164)					(48,539,164)
ESOP shares earned		798,746		63,430		735,316
Stock based compensation		$ 1,538,737		1,538,737
Exercised (in shares)		0
Common stock dividends ($0.40 per share)		$ (4,407,550)			(4,407,550)
Repurchase of common stock (in shares)			(615,949)
Repurchase of common stock		(9,859,240)	$ (6,160)	(9,853,080)
Ending balance (in shares) at Dec. 31, 2022			11,784,246
Ending balance at Dec. 31, 2022		$ 132,978,303	$ 117,842	$ 106,088,897	$ 88,715,782	$ (12,193,043)	$ (49,751,175)

[1] 1 The amount shown represents the number of shares issued in net-settled option transactions where some shares are netted from a portion of the exercises.