Note 5 - Loans and Leases - Carrying Value for all Portfolio Loans and Leases by Portfolio Segment Based on Methodology Used to Evaluate Loans and Leases for Impairment (Details) - USD ($)
$ in Thousands |
Dec. 31, 2016 |
Dec. 13, 2016 |
Dec. 31, 2015 |
| Individually evaluated for impairment |
$ 14,173
|
|
$ 14,386
|
| Collectively evaluated for impairment |
2,508,820
|
|
2,237,756
|
| Purchased credit-impaired(1) |
12,432
|
|
16,846
|
| Portfolio loans and leases |
2,535,425
|
$ 2,535,425
|
2,268,988
|
| Originated Loans [Member] |
|
|
|
| Individually evaluated for impairment |
9,172
|
|
9,797
|
| Collectively evaluated for impairment |
2,231,815
|
|
1,874,072
|
| Portfolio loans and leases |
2,240,987
|
|
1,883,869
|
| Acquired Loans [Member] |
|
|
|
| Individually evaluated for impairment |
5,001
|
|
4,589
|
| Collectively evaluated for impairment |
277,005
|
|
363,684
|
| Purchased credit-impaired(1) |
12,432
|
|
16,846
|
| Portfolio loans and leases |
294,438
|
|
385,119
|
| Real Estate Portfolio Segment [Member] | Commercial Mortgage [Member] |
|
|
|
| Individually evaluated for impairment |
1,576
|
|
349
|
| Collectively evaluated for impairment |
1,098,788
|
|
952,448
|
| Purchased credit-impaired(1) |
10,534
|
|
11,462
|
| Portfolio loans and leases |
1,110,898
|
1,110,898
|
964,259
|
| Real Estate Portfolio Segment [Member] | Commercial Mortgage [Member] | Originated Loans [Member] |
|
|
|
| Individually evaluated for impairment |
1,521
|
|
279
|
| Collectively evaluated for impairment |
945,358
|
|
772,292
|
| Portfolio loans and leases |
946,879
|
|
772,571
|
| Real Estate Portfolio Segment [Member] | Commercial Mortgage [Member] | Acquired Loans [Member] |
|
|
|
| Individually evaluated for impairment |
55
|
|
70
|
| Collectively evaluated for impairment |
153,430
|
|
180,156
|
| Purchased credit-impaired(1) |
10,534
|
|
11,462
|
| Portfolio loans and leases |
164,019
|
|
191,688
|
| Real Estate Portfolio Segment [Member] | Home Equity Loan [Member] |
|
|
|
| Individually evaluated for impairment |
2,354
|
|
1,980
|
| Collectively evaluated for impairment |
205,540
|
|
207,378
|
| Purchased credit-impaired(1) |
105
|
|
115
|
| Portfolio loans and leases |
207,999
|
207,999
|
209,473
|
| Real Estate Portfolio Segment [Member] | Home Equity Loan [Member] | Originated Loans [Member] |
|
|
|
| Individually evaluated for impairment |
2,319
|
|
1,832
|
| Collectively evaluated for impairment |
176,131
|
|
169,357
|
| Portfolio loans and leases |
178,450
|
|
171,189
|
| Real Estate Portfolio Segment [Member] | Home Equity Loan [Member] | Acquired Loans [Member] |
|
|
|
| Individually evaluated for impairment |
35
|
|
148
|
| Collectively evaluated for impairment |
29,409
|
|
38,021
|
| Purchased credit-impaired(1) |
105
|
|
115
|
| Portfolio loans and leases |
29,549
|
|
38,284
|
| Real Estate Portfolio Segment [Member] | Residential Mortgage Loan [Member] |
|
|
|
| Individually evaluated for impairment |
7,266
|
|
7,754
|
| Collectively evaluated for impairment |
406,271
|
|
398,635
|
| Purchased credit-impaired(1) |
3
|
|
15
|
| Portfolio loans and leases |
413,540
|
413,540
|
406,404
|
| Real Estate Portfolio Segment [Member] | Residential Mortgage Loan [Member] | Originated Loans [Member] |
|
|
|
| Individually evaluated for impairment |
4,111
|
|
4,394
|
| Collectively evaluated for impairment |
338,157
|
|
312,093
|
| Portfolio loans and leases |
342,268
|
|
316,487
|
| Real Estate Portfolio Segment [Member] | Residential Mortgage Loan [Member] | Acquired Loans [Member] |
|
|
|
| Individually evaluated for impairment |
3,155
|
|
3,360
|
| Collectively evaluated for impairment |
68,114
|
|
86,542
|
| Purchased credit-impaired(1) |
3
|
|
15
|
| Portfolio loans and leases |
71,272
|
|
89,917
|
| Real Estate Portfolio Segment [Member] | Construction Loans [Member] |
|
|
|
| Individually evaluated for impairment |
|
|
33
|
| Collectively evaluated for impairment |
141,964
|
|
89,625
|
| Purchased credit-impaired(1) |
|
|
763
|
| Portfolio loans and leases |
141,964
|
141,964
|
90,421
|
| Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Originated Loans [Member] |
|
|
|
| Individually evaluated for impairment |
|
|
33
|
| Collectively evaluated for impairment |
141,964
|
|
87,122
|
| Portfolio loans and leases |
141,964
|
|
87,155
|
| Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Acquired Loans [Member] |
|
|
|
| Individually evaluated for impairment |
|
|
|
| Collectively evaluated for impairment |
|
|
2,503
|
| Purchased credit-impaired(1) |
|
|
763
|
| Portfolio loans and leases |
|
|
3,266
|
| Commercial Portfolio Segment [Member] |
|
|
|
| Individually evaluated for impairment |
2,946
|
|
4,240
|
| Collectively evaluated for impairment |
575,055
|
|
515,784
|
| Purchased credit-impaired(1) |
1,790
|
|
4,491
|
| Portfolio loans and leases |
579,791
|
579,791
|
524,515
|
| Commercial Portfolio Segment [Member] | Originated Loans [Member] |
|
|
|
| Individually evaluated for impairment |
1,190
|
|
3,229
|
| Collectively evaluated for impairment |
549,144
|
|
459,517
|
| Portfolio loans and leases |
550,334
|
|
462,746
|
| Commercial Portfolio Segment [Member] | Acquired Loans [Member] |
|
|
|
| Individually evaluated for impairment |
1,756
|
|
1,011
|
| Collectively evaluated for impairment |
25,911
|
|
56,267
|
| Purchased credit-impaired(1) |
1,790
|
|
4,491
|
| Portfolio loans and leases |
29,457
|
|
61,769
|
| Consumer Portfolio Segment [Member] |
|
|
|
| Individually evaluated for impairment |
31
|
|
30
|
| Collectively evaluated for impairment |
25,310
|
|
22,099
|
| Purchased credit-impaired(1) |
|
|
|
| Portfolio loans and leases |
25,341
|
25,341
|
22,129
|
| Consumer Portfolio Segment [Member] | Originated Loans [Member] |
|
|
|
| Individually evaluated for impairment |
31
|
|
30
|
| Collectively evaluated for impairment |
25,169
|
|
21,904
|
| Portfolio loans and leases |
25,200
|
|
21,934
|
| Consumer Portfolio Segment [Member] | Acquired Loans [Member] |
|
|
|
| Individually evaluated for impairment |
|
|
|
| Collectively evaluated for impairment |
141
|
|
195
|
| Purchased credit-impaired(1) |
|
|
|
| Portfolio loans and leases |
141
|
|
195
|
| Finance Leases Portfolio Segment [Member] |
|
|
|
| Individually evaluated for impairment |
|
|
|
| Collectively evaluated for impairment |
55,892
|
|
51,787
|
| Purchased credit-impaired(1) |
|
|
|
| Portfolio loans and leases |
55,892
|
$ 55,892
|
51,787
|
| Finance Leases Portfolio Segment [Member] | Originated Loans [Member] |
|
|
|
| Individually evaluated for impairment |
|
|
|
| Collectively evaluated for impairment |
55,892
|
|
51,787
|
| Portfolio loans and leases |
55,892
|
|
51,787
|
| Finance Leases Portfolio Segment [Member] | Acquired Loans [Member] |
|
|
|
| Individually evaluated for impairment |
|
|
|
| Collectively evaluated for impairment |
|
|
|
| Purchased credit-impaired(1) |
|
|
|
| Portfolio loans and leases |
|
|
|