Allowance for Loan and Lease Losses - Allowance for Originated and Acquired Loan and Lease Losses by Portfolio Segment (Details) - USD ($)
$ in Thousands |
3 Months Ended |
12 Months Ended |
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Allowance for Loan and Lease Losses [Roll Forward] |
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|
|
|
|
|
|
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|
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|
| Beginning balance |
|
|
|
$ 35,755
|
|
|
|
|
$ 35,755
|
|
|
| Provision for loan and lease losses |
$ 2,014
|
$ 402
|
$ 976
|
769
|
$ 1,706
|
$ 782
|
$ 978
|
$ 855
|
4,161
|
$ 4,321
|
$ 2,945
|
| Ending Balance |
39,771
|
|
|
|
35,755
|
|
|
|
39,771
|
35,755
|
|
| Originated Loans and Leases |
|
|
|
|
|
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|
|
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|
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| Allowance for Loan and Lease Losses [Roll Forward] |
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|
|
|
|
|
|
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|
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| Beginning balance |
|
|
|
35,598
|
|
|
|
31,312
|
35,598
|
31,312
|
|
| Charge-offs |
|
|
|
|
|
|
|
|
(1,856)
|
(1,674)
|
|
| Recoveries |
|
|
|
|
|
|
|
|
1,716
|
1,823
|
|
| Provision for loan and lease losses |
|
|
|
|
|
|
|
|
4,228
|
4,137
|
|
| Ending Balance |
39,686
|
|
|
|
35,598
|
|
|
|
39,686
|
35,598
|
31,312
|
| Acquired Loans and Leases |
|
|
|
|
|
|
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|
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|
| Allowance for Loan and Lease Losses [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
| Beginning balance |
|
|
|
157
|
|
|
|
692
|
157
|
692
|
|
| Charge-offs |
|
|
|
|
|
|
|
|
(718)
|
(1,035)
|
|
| Recoveries |
|
|
|
|
|
|
|
|
713
|
316
|
|
| Provision for loan and lease losses |
|
|
|
|
|
|
|
|
(67)
|
184
|
|
| Ending Balance |
85
|
|
|
|
157
|
|
|
|
85
|
157
|
692
|
| Commercial and industrial | Originated Loans and Leases |
|
|
|
|
|
|
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|
|
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| Allowance for Loan and Lease Losses [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
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| Beginning balance |
|
|
|
9,389
|
|
|
|
10,495
|
9,389
|
10,495
|
|
| Charge-offs |
|
|
|
|
|
|
|
|
(291)
|
(878)
|
|
| Recoveries |
|
|
|
|
|
|
|
|
119
|
576
|
|
| Provision for loan and lease losses |
|
|
|
|
|
|
|
|
2,595
|
(804)
|
|
| Ending Balance |
11,812
|
|
|
|
9,389
|
|
|
|
11,812
|
9,389
|
10,495
|
| Commercial and industrial | Acquired Loans and Leases |
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|
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|
|
|
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|
|
|
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| Allowance for Loan and Lease Losses [Roll Forward] |
|
|
|
|
|
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|
|
|
|
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| Beginning balance |
|
|
|
0
|
|
|
|
433
|
0
|
433
|
|
| Charge-offs |
|
|
|
|
|
|
|
|
(74)
|
(698)
|
|
| Recoveries |
|
|
|
|
|
|
|
|
24
|
20
|
|
| Provision for loan and lease losses |
|
|
|
|
|
|
|
|
75
|
245
|
|
| Ending Balance |
25
|
|
|
|
0
|
|
|
|
25
|
0
|
433
|
| Commercial real estate | Originated Loans and Leases |
|
|
|
|
|
|
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|
|
|
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| Allowance for Loan and Lease Losses [Roll Forward] |
|
|
|
|
|
|
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|
|
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| Beginning balance |
|
|
|
19,836
|
|
|
|
15,479
|
19,836
|
15,479
|
|
| Charge-offs |
|
|
|
|
|
|
|
|
(21)
|
(12)
|
|
| Recoveries |
|
|
|
|
|
|
|
|
980
|
859
|
|
| Provision for loan and lease losses |
|
|
|
|
|
|
|
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(383)
|
3,510
|
|
| Ending Balance |
20,412
|
|
|
|
19,836
|
|
|
|
20,412
|
19,836
|
15,479
|
| Commercial real estate | Acquired Loans and Leases |
|
|
|
|
|
|
|
|
|
|
|
| Allowance for Loan and Lease Losses [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
| Beginning balance |
|
|
|
97
|
|
|
|
61
|
97
|
61
|
|
| Charge-offs |
|
|
|
|
|
|
|
|
(159)
|
(181)
|
|
| Recoveries |
|
|
|
|
|
|
|
|
637
|
268
|
|
| Provision for loan and lease losses |
|
|
|
|
|
|
|
|
(575)
|
(51)
|
|
| Ending Balance |
0
|
|
|
|
97
|
|
|
|
0
|
97
|
61
|
| Residential real estate | Originated Loans and Leases |
|
|
|
|
|
|
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|
|
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| Allowance for Loan and Lease Losses [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
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| Beginning balance |
|
|
|
5,149
|
|
|
|
4,070
|
5,149
|
4,070
|
|
| Charge-offs |
|
|
|
|
|
|
|
|
(584)
|
(263)
|
|
| Recoveries |
|
|
|
|
|
|
|
|
212
|
63
|
|
| Provision for loan and lease losses |
|
|
|
|
|
|
|
|
1,384
|
1,279
|
|
| Ending Balance |
6,161
|
|
|
|
5,149
|
|
|
|
6,161
|
5,149
|
4,070
|
| Residential real estate | Acquired Loans and Leases |
|
|
|
|
|
|
|
|
|
|
|
| Allowance for Loan and Lease Losses [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
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| Beginning balance |
|
|
|
54
|
|
|
|
198
|
54
|
198
|
|
| Charge-offs |
|
|
|
|
|
|
|
|
(483)
|
(35)
|
|
| Recoveries |
|
|
|
|
|
|
|
|
44
|
0
|
|
| Provision for loan and lease losses |
|
|
|
|
|
|
|
|
439
|
(109)
|
|
| Ending Balance |
54
|
|
|
|
54
|
|
|
|
54
|
54
|
198
|
| Consumer and other | Originated Loans and Leases |
|
|
|
|
|
|
|
|
|
|
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| Allowance for Loan and Lease Losses [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
| Beginning balance |
|
|
|
1,224
|
|
|
|
1,268
|
1,224
|
1,268
|
|
| Charge-offs |
|
|
|
|
|
|
|
|
(960)
|
(521)
|
|
| Recoveries |
|
|
|
|
|
|
|
|
405
|
325
|
|
| Provision for loan and lease losses |
|
|
|
|
|
|
|
|
632
|
152
|
|
| Ending Balance |
1,301
|
|
|
|
1,224
|
|
|
|
1,301
|
1,224
|
1,268
|
| Consumer and other | Acquired Loans and Leases |
|
|
|
|
|
|
|
|
|
|
|
| Allowance for Loan and Lease Losses [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
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| Beginning balance |
|
|
|
6
|
|
|
|
0
|
6
|
0
|
|
| Charge-offs |
|
|
|
|
|
|
|
|
(2)
|
(121)
|
|
| Recoveries |
|
|
|
|
|
|
|
|
8
|
28
|
|
| Provision for loan and lease losses |
|
|
|
|
|
|
|
|
(6)
|
99
|
|
| Ending Balance |
6
|
|
|
|
6
|
|
|
|
6
|
6
|
0
|
| Finance Leases | Originated Loans and Leases |
|
|
|
|
|
|
|
|
|
|
|
| Allowance for Loan and Lease Losses [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
| Beginning balance |
|
|
|
0
|
|
|
|
0
|
0
|
0
|
|
| Charge-offs |
|
|
|
|
|
|
|
|
0
|
0
|
|
| Recoveries |
|
|
|
|
|
|
|
|
0
|
0
|
|
| Provision for loan and lease losses |
|
|
|
|
|
|
|
|
0
|
0
|
|
| Ending Balance |
0
|
|
|
|
0
|
|
|
|
0
|
0
|
0
|
| Finance Leases | Acquired Loans and Leases |
|
|
|
|
|
|
|
|
|
|
|
| Allowance for Loan and Lease Losses [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
| Beginning balance |
|
|
|
$ 0
|
|
|
|
$ 0
|
0
|
0
|
|
| Charge-offs |
|
|
|
|
|
|
|
|
0
|
0
|
|
| Recoveries |
|
|
|
|
|
|
|
|
0
|
0
|
|
| Provision for loan and lease losses |
|
|
|
|
|
|
|
|
0
|
0
|
|
| Ending Balance |
$ 0
|
|
|
|
$ 0
|
|
|
|
$ 0
|
$ 0
|
$ 0
|