Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Components of the provision for income taxes, exclusive of tax effect of unrealized AFS securities gains and losses [Abstract]
Current federal income tax expense	$ 16,160	$ 12,884	$ 8,351
Current state income tax expense	4,214	786	513
Deferred federal income tax expense (benefit)	1,138	(2,900)	2,030
Deferred state income tax expense (benefit)	1,192	0	0
Effect of Kentucky tax legislation benefit	0	(9)	(3,442)
Total income tax expense	22,704	10,761	7,452
Reconciliation of income tax expense at the statutory rate to actual income tax expense [Abstract]
Computed at the statutory rate	23,235	14,755	15,118
Adjustments resulting from [Abstract]
Tax-exempt interest	(690)	(547)	(563)
Housing and new markets credits	(3,939)	(4,194)	(4,471)
Bank owned life insurance	(382)	(277)	(284)
ESOP dividend deduction	(233)	(221)	(203)
Stock option exercises and restricted stock vesting	25	(10)	(10)
Effect of KY tax legislation	0	(7)	(2,719)
State income taxes	4,270	621	405
Split dollar life insurance	212	529	0
Other	206	112	179
Total income tax expense	$ 22,704	$ 10,761	$ 7,452
Reconciliation of income tax expense at the statutory rate to actual income tax expense [Abstract]
Computed at the statutory rate	21.00%	21.00%	21.00%
Adjustments resulting from [Abstract]
Tax-exempt interest	(0.62%)	(0.78%)	(0.78%)
Housing and new markets credits	(3.56%)	(5.97%)	(6.21%)
Bank owned life insurance	(0.35%)	(0.39%)	(0.39%)
ESOP dividend deduction	(0.21%)	(0.32%)	(0.28%)
Stock option exercises and restricted stock vesting	0.02%	(0.01%)	(0.01%)
Effect of KY tax legislation	0.00%	(0.01%)	(3.78%)
State income taxes	3.86%	0.88%	0.56%
Split dollar life insurance	0.19%	0.75%	0.00%
Other	0.19%	0.16%	0.24%
Total	20.52%	15.31%	10.35%
Deferred tax assets [Abstract]
Allowance for credit losses	$ 10,418	$ 11,982
Interest on nonaccrual loans	547	471
Accrued expenses	2,960	1,444
Unrealized losses on AFS securities	1,664	0
Allowance for other real estate owned	268	593
State net operating loss carryforward	2,308	3,975
Lease liabilities	3,245	3,468
Other	973	470
Total deferred tax assets	22,383	22,403
Deferred tax liabilities [Abstract]
Depreciation and amortization	(14,604)	(15,006)
FHLB stock dividends	(961)	(1,245)
Loan fee income	(621)	(238)
Mortgage servicing rights	(1,690)	(1,015)
Unrealized gains on AFS securities	0	(4,807)
Limited partnership investments	(648)	(414)
Right of use assets	(3,031)	(3,297)
Other	(1,374)	(1,068)
Total deferred tax liabilities	(22,929)	(27,090)
Beginning balance for valuation allowance for deferred tax asset	0	210
Change in valuation allowance	0	(210)
Ending balance for valuation allowance for deferred tax asset	0	0	$ 210
Net deferred tax liability	(546)	$ (4,687)
Amount of loss deduction	42,200
Loss carryforwards	$ 58,400