Allowance for Loan and Lease Losses - Credit Quality Indicators by Commercial and Industrial Loans (Details) - USD ($)
$ in Thousands |
Jun. 30, 2019 |
Dec. 31, 2018 |
| Originated Loans and Leases |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
$ 3,237,564
|
$ 3,195,492
|
| Originated Loans and Leases | Pass |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
3,156,175
|
3,123,455
|
| Originated Loans and Leases | Special Mention |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
36,619
|
28,074
|
| Originated Loans and Leases | Substandard |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
44,770
|
43,963
|
| Total Acquired Loans |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
208,201
|
222,804
|
| Total Acquired Loans | Pass |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
205,079
|
219,438
|
| Total Acquired Loans | Special Mention |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
265
|
452
|
| Total Acquired Loans | Substandard |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
2,857
|
2,914
|
| Commercial and industrial | Originated Loans and Leases | Other |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
908,945
|
926,429
|
| Commercial and industrial | Originated Loans and Leases | Other | Pass |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
892,270
|
910,476
|
| Commercial and industrial | Originated Loans and Leases | Other | Special Mention |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
12,009
|
8,675
|
| Commercial and industrial | Originated Loans and Leases | Other | Substandard |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
4,666
|
7,278
|
| Commercial and industrial | Originated Loans and Leases | Agriculture |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
93,406
|
107,494
|
| Commercial and industrial | Originated Loans and Leases | Agriculture | Pass |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
81,718
|
93,939
|
| Commercial and industrial | Originated Loans and Leases | Agriculture | Special Mention |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
1,637
|
4,951
|
| Commercial and industrial | Originated Loans and Leases | Agriculture | Substandard |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
10,051
|
8,604
|
| Commercial and industrial | Total Acquired Loans | Other |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
41,438
|
43,712
|
| Commercial and industrial | Total Acquired Loans | Other | Pass |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
41,174
|
43,447
|
| Commercial and industrial | Total Acquired Loans | Other | Special Mention |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
0
|
0
|
| Commercial and industrial | Total Acquired Loans | Other | Substandard |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
264
|
265
|
| Commercial and industrial | Total Acquired Loans | Agriculture |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
0
|
0
|
| Commercial and industrial | Total Acquired Loans | Agriculture | Pass |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
0
|
0
|
| Commercial and industrial | Total Acquired Loans | Agriculture | Special Mention |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
0
|
0
|
| Commercial and industrial | Total Acquired Loans | Agriculture | Substandard |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
0
|
0
|
| Commercial real estate | Originated Loans and Leases | Other |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
1,869,057
|
1,827,279
|
| Commercial real estate | Originated Loans and Leases | Other | Pass |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
1,830,464
|
1,797,599
|
| Commercial real estate | Originated Loans and Leases | Other | Special Mention |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
20,842
|
9,484
|
| Commercial real estate | Originated Loans and Leases | Other | Substandard |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
17,751
|
20,196
|
| Commercial real estate | Originated Loans and Leases | Agriculture |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
180,479
|
170,005
|
| Commercial real estate | Originated Loans and Leases | Agriculture | Pass |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
166,046
|
157,156
|
| Commercial real estate | Originated Loans and Leases | Agriculture | Special Mention |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
2,131
|
4,964
|
| Commercial real estate | Originated Loans and Leases | Agriculture | Substandard |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
12,302
|
7,885
|
| Commercial real estate | Originated Loans and Leases | Construction |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
185,677
|
164,285
|
| Commercial real estate | Originated Loans and Leases | Construction | Pass |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
185,677
|
164,285
|
| Commercial real estate | Originated Loans and Leases | Construction | Special Mention |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
0
|
0
|
| Commercial real estate | Originated Loans and Leases | Construction | Substandard |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
0
|
0
|
| Commercial real estate | Total Acquired Loans | Other |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
165,183
|
177,484
|
| Commercial real estate | Total Acquired Loans | Other | Pass |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
162,325
|
174,383
|
| Commercial real estate | Total Acquired Loans | Other | Special Mention |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
265
|
452
|
| Commercial real estate | Total Acquired Loans | Other | Substandard |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
2,593
|
2,649
|
| Commercial real estate | Total Acquired Loans | Agriculture |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
219
|
224
|
| Commercial real estate | Total Acquired Loans | Agriculture | Pass |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
219
|
224
|
| Commercial real estate | Total Acquired Loans | Agriculture | Special Mention |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
0
|
0
|
| Commercial real estate | Total Acquired Loans | Agriculture | Substandard |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
0
|
0
|
| Commercial real estate | Total Acquired Loans | Construction |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
1,361
|
1,384
|
| Commercial real estate | Total Acquired Loans | Construction | Pass |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
1,361
|
1,384
|
| Commercial real estate | Total Acquired Loans | Construction | Special Mention |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
0
|
0
|
| Commercial real estate | Total Acquired Loans | Construction | Substandard |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Loans and Leases, gross |
$ 0
|
$ 0
|