Fair Value of Assets and Liabilities - Fair Values of Financial Assets and Liabilities on Balance Sheets (Details) - USD ($) $ in Thousands		Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Assets:
Carrying Amount		$ 694,313	$ 560,453
Fair Value		624,436	478,509
Loans and leases, net of deferred fees and costs, carrying amount	[1]	4,759,718	4,707,150
Liabilities:
Debt securities held to maturity, allowance for credit loss		241	241
Allowance for credit loss		53,303	53,162	$ 54,768	$ 63,967
Carrying Amount
Assets:
Carrying Amount		694,313	560,453
Federal Home Loan Bank ("FHLB") stock		27,381	26,605
Federal Reserve Bank ("FRB") stock		21,231	21,231
Banker's Bank of Kentucky ("BBKY") stock		355	355
Total other investment securities at cost		48,967	48,191
Total other investment securities		52,396	51,263
Carrying Amount | Level 1
Assets:
Cash and cash equivalents		157,154	154,022
Carrying Amount | Level 2
Assets:
Bank owned life insurance		105,999	105,292
Liabilities:
Deposits		5,788,527	5,716,941
Short-term borrowings		490,670	500,138
Long-term borrowings		95,629	101,093
Carrying Amount | Level 3
Assets:
Loans and leases, net of deferred fees and costs, carrying amount		4,759,718	4,707,150
Fair Value
Assets:
Fair Value		624,436	478,509
Federal Home Loan Bank ("FHLB") stock		27,381	26,605
Federal Reserve Bank ("FRB") stock		21,231	21,231
Banker's Bank of Kentucky ("BBKY") stock		355	355
Total other investment securities at cost		48,967	48,191
Total other investment securities		52,396	51,263
Fair Value | Level 1
Assets:
Cash and cash equivalents		157,154	154,022
Fair Value | Level 2
Assets:
Bank owned life insurance		105,999	105,292
Liabilities:
Deposits		4,924,296	4,682,491
Short-term borrowings		496,786	504,584
Long-term borrowings		96,822	101,992
Fair Value | Level 3
Assets:
Loans and leases, net of deferred fees and costs, fair value		4,522,720	4,516,695
U.S. government sponsored agencies
Assets:
Carrying Amount		194,184	132,366
Fair Value		186,446	123,020
Liabilities:
Debt securities held to maturity, allowance for credit loss		0	0
U.S. government sponsored agencies | Carrying Amount | Level 2
Assets:
Carrying Amount		194,184	132,366
U.S. government sponsored agencies | Fair Value | Level 2
Assets:
Fair Value		186,446	123,020
States and political subdivisions
Assets:
Carrying Amount		145,085	145,263
Fair Value		114,192	108,776
Liabilities:
Debt securities held to maturity, allowance for credit loss		241	241
States and political subdivisions | Level 2
Assets:
Carrying Amount		145,085	145,263
States and political subdivisions | Fair Value | Level 2
Assets:
Fair Value		114,192	108,776
Residential mortgage-backed securities
Assets:
Carrying Amount		245,294	176,215
Fair Value		230,377	157,998
Liabilities:
Debt securities held to maturity, allowance for credit loss		0	0
Residential mortgage-backed securities | Carrying Amount | Level 2
Assets:
Carrying Amount		245,294	176,215
Residential mortgage-backed securities | Fair Value | Level 2
Assets:
Fair Value		230,377	157,998
Commercial mortgage-backed securities
Assets:
Carrying Amount		109,750	106,609
Fair Value		93,421	88,715
Liabilities:
Debt securities held to maturity, allowance for credit loss		0	0
Commercial mortgage-backed securities | Carrying Amount | Level 2
Assets:
Carrying Amount		105,002	101,861
Commercial mortgage-backed securities | Carrying Amount | Level 3
Assets:
Carrying Amount		4,748	4,748
Commercial mortgage-backed securities | Fair Value | Level 2
Assets:
Fair Value		89,919	85,354
Commercial mortgage-backed securities | Fair Value | Level 3
Assets:
Fair Value		3,502	3,361
Nonqualified Plan | Carrying Amount | Level 1
Assets:
Total other investment securities		2,405	2,048
Nonqualified Plan | Fair Value | Level 1
Assets:
Total other investment securities		2,405	2,048
Other Security Investments | Carrying Amount | Level 2
Assets:
Total other investment securities		1,024	1,024
Other Security Investments | Fair Value | Level 2
Assets:
Total other investment securities		$ 1,024	$ 1,024

[1] Also referred to throughout this Quarterly Report on Form 10-Q as "total loans" and "loans held for investment."