Loans and Leases - Aging Analysis of Past Due Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Past Due [Line Items]
Total loans and leases	$ 5,082,288	$ 5,267,910
Less: unearned income and deferred costs and fees	(6,821)	(7,583)
Total Loans	5,075,467	5,260,327
30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	1,422	1,831
60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	1,650	1,181
90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	8,155	14,300
Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	11,227	17,312
Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	5,071,061	5,250,598
Less: unearned income and deferred costs and fees	(6,821)	(7,583)
Total Loans	5,064,240	5,243,015
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans and leases	869,553	1,178,728
Commercial and industrial | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	506	44
Commercial and industrial | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	6	25
Commercial and industrial | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	88	1,516
Commercial and industrial | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	600	1,585
Commercial and industrial | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	868,953	1,177,143
Commercial and industrial | Agriculture
Financing Receivable, Past Due [Line Items]
Total loans and leases	99,172	94,489
Total Loans	99,172	94,489
Commercial and industrial | Agriculture | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Commercial and industrial | Agriculture | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	18
Commercial and industrial | Agriculture | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Commercial and industrial | Agriculture | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	18
Commercial and industrial | Agriculture | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	99,172	94,471
Commercial and industrial | Other
Financing Receivable, Past Due [Line Items]
Total loans and leases	699,121	792,987
Total Loans	699,121	792,987
Commercial and industrial | Other | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	506	44
Commercial and industrial | Other | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	6	7
Commercial and industrial | Other | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	88	1,516
Commercial and industrial | Other | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	600	1,567
Commercial and industrial | Other | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	698,521	791,420
Commercial and industrial | PPP loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	71,260	291,252
Total Loans	71,260	291,252
Commercial and industrial | PPP loans | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Commercial and industrial | PPP loans | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Commercial and industrial | PPP loans | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Commercial and industrial | PPP loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Commercial and industrial | PPP loans | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	71,260	291,252
Commercial real estate
Financing Receivable, Past Due [Line Items]
Total loans and leases	2,653,154	2,569,192
Commercial real estate | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	271	263
Commercial real estate | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	257	0
Commercial real estate | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	3,305	7,125
Commercial real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	3,833	7,388
Commercial real estate | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	2,649,321	2,561,804
Commercial real estate | Agriculture
Financing Receivable, Past Due [Line Items]
Total loans and leases	195,973	201,866
Total Loans	195,973	201,866
Commercial real estate | Agriculture | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	121	263
Commercial real estate | Agriculture | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Commercial real estate | Agriculture | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Commercial real estate | Agriculture | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	121	263
Commercial real estate | Agriculture | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	195,852	201,603
Commercial real estate | Other
Financing Receivable, Past Due [Line Items]
Total loans and leases	2,278,599	2,204,310
Total Loans	2,278,599	2,204,310
Commercial real estate | Other | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	150	0
Commercial real estate | Other | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	257	0
Commercial real estate | Other | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	3,305	7,125
Commercial real estate | Other | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	3,712	7,125
Commercial real estate | Other | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	2,274,887	2,197,185
Commercial real estate | Construction
Financing Receivable, Past Due [Line Items]
Total loans and leases	178,582	163,016
Total Loans	178,582	163,016
Commercial real estate | Construction | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Commercial real estate | Construction | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Commercial real estate | Construction | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Commercial real estate | Construction | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Commercial real estate | Construction | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	178,582	163,016
Residential real estate
Financing Receivable, Past Due [Line Items]
Total loans and leases	1,473,582	1,435,987
Residential real estate | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	448	1,234
Residential real estate | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	1,256	1,103
Residential real estate | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	4,715	5,336
Residential real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	6,419	7,673
Residential real estate | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	1,467,163	1,428,314
Residential real estate | Home equity
Financing Receivable, Past Due [Line Items]
Total loans and leases	182,671	200,827
Total Loans	182,671	200,827
Residential real estate | Home equity | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	441	713
Residential real estate | Home equity | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	417	224
Residential real estate | Home equity | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	798	1,126
Residential real estate | Home equity | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	1,656	2,063
Residential real estate | Home equity | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	181,015	198,764
Residential real estate | Mortgages
Financing Receivable, Past Due [Line Items]
Total loans and leases	1,290,911	1,235,160
Total Loans	1,290,911	1,235,160
Residential real estate | Mortgages | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	7	521
Residential real estate | Mortgages | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	839	879
Residential real estate | Mortgages | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	3,917	4,210
Residential real estate | Mortgages | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	4,763	5,610
Residential real estate | Mortgages | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	1,286,148	1,229,550
Consumer and other
Financing Receivable, Past Due [Line Items]
Total loans and leases	72,051	69,800
Consumer and other | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	197	290
Consumer and other | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	131	53
Consumer and other | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	47	323
Consumer and other | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	375	666
Consumer and other | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	71,676	69,134
Consumer and other | Other
Financing Receivable, Past Due [Line Items]
Total loans and leases	67,396	61,399
Consumer and other | Other | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	120	115
Consumer and other | Other | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	45	18
Consumer and other | Other | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	45	232
Consumer and other | Other | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	210	365
Consumer and other | Other | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	67,186	61,034
Consumer and other | Indirect
Financing Receivable, Past Due [Line Items]
Total loans and leases	4,655	8,401
Total Loans	4,655	8,401
Consumer and other | Indirect | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	77	175
Consumer and other | Indirect | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	86	35
Consumer and other | Indirect | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	2	91
Consumer and other | Indirect | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	165	301
Consumer and other | Indirect | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	4,490	8,100
Leases
Financing Receivable, Past Due [Line Items]
Total loans and leases	13,948	14,203
Leases | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Leases | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Leases | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Leases | Total Past Due
Financing Receivable, Past Due [Line Items]
Total loans and leases	0	0
Leases | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans and leases	$ 13,948	$ 14,203