Accumulated Other Comprehensive Loss (Components of Comprehensive Income) (Details) - USD ($)
$ in Thousands |
3 Months Ended |
9 Months Ended |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
| Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax |
$ (460)
|
$ 727
|
$ (207)
|
$ 1,394
|
| Cash flow hedges: Unrealized holding gains, Before Tax |
261
|
33
|
(799)
|
92
|
| Cash flow hedges: Unrealized holding gains, Tax Effect |
(104)
|
(13)
|
319
|
(37)
|
| Cash flow hedges: Unrealized holding gains, Net of Tax |
157
|
20
|
(480)
|
55
|
| Unrealized net actuarial gain (loss), Net of Tax |
(266)
|
(1,616)
|
(561)
|
(2,452)
|
| Other comprehensive income, Before tax amount |
(574)
|
195
|
(719)
|
4,958
|
| Other comprehensive income, Tax (expense) benefit |
229
|
(77)
|
287
|
(1,976)
|
| Other comprehensive income, Net |
(345)
|
118
|
(432)
|
2,982
|
| Investment securities- with OTTI [Member] |
|
|
|
|
| Available for sale (AFS) securities with OTTI: Unrealized holding gains, Before tax amount |
47
|
1,658
|
380
|
6,682
|
| Available for sale (AFS) securities with OTTI: Unrealized holding gains, Tax effect |
(19)
|
(661)
|
(152)
|
(2,665)
|
| Available for sale (AFS) securities with OTTI: Unrealized holding gains, Net of tax |
28
|
997
|
228
|
4,017
|
| Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income |
2
|
139
|
7
|
479
|
| Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Tax effect |
(1)
|
(55)
|
(3)
|
(191)
|
| Other than temporary impairment losses, investments, reclassification adjustment of noncredit portion included in net income, Available for sale securities, Net of tax |
1
|
84
|
4
|
288
|
| Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI, Before tax amount |
45
|
1,519
|
373
|
6,203
|
| Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI, Tax effect |
(18)
|
(606)
|
(149)
|
(2,474)
|
| Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI, Net of tax |
27
|
913
|
224
|
3,729
|
| Investment Securities -All Other AFS [Member] |
|
|
|
|
| Securities: Unrealized holding losses, Before tax |
(534)
|
1,288
|
115
|
2,380
|
| Securities: Unrealized holding losses, Tax effect |
213
|
(515)
|
(46)
|
(949)
|
| Securities: Unrealized holding losses, Net of tax |
(321)
|
773
|
69
|
1,431
|
| Securities: Less: gains recognized in income, Before tax |
232
|
79
|
460
|
62
|
| Securities: Less: gains recognized in income, Tax effect |
(93)
|
(33)
|
(184)
|
(25)
|
| Securities: gains recognized in income, Net of tax |
139
|
46
|
276
|
37
|
| Available for sale securities: Net unrealized losses on all other AFS securities, Before Tax |
(766)
|
1,209
|
(345)
|
2,318
|
| Available for sale securities: Net unrealized losses on all other AFS securities, Tax effect |
306
|
(482)
|
138
|
(924)
|
| Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax |
(460)
|
727
|
(207)
|
1,394
|
| Investment Securities HTM [Member] |
|
|
|
|
| Securities: Unrealized holding losses, Before tax |
0
|
0
|
0
|
0
|
| Securities: Unrealized holding losses, Tax effect |
0
|
0
|
0
|
0
|
| Securities: Unrealized holding losses, Net of tax |
0
|
0
|
0
|
0
|
| Securities: Less: gains recognized in income, Before tax |
(303)
|
(106)
|
(911)
|
(374)
|
| Securities: Less: gains recognized in income, Tax effect |
121
|
42
|
364
|
149
|
| Securities: gains recognized in income, Net of tax |
(182)
|
(64)
|
(547)
|
(225)
|
| Held to maturity securities: Net unrealized losses on all HTM securities, Before tax |
303
|
106
|
911
|
374
|
| Held to maturity securities: Net unrealized losses on all HTM securities, Tax |
(121)
|
(42)
|
(364)
|
(149)
|
| Held to maturity securities: Net unrealized losses on all HTM securities, After tax |
182
|
64
|
547
|
225
|
| Pension Plan [Member] |
|
|
|
|
| Unrealized net actuarial gain (loss), Before Tax |
(657)
|
(2,892)
|
(1,578)
|
(4,651)
|
| Unrealized net actuarial gain (loss), Tax Effect |
262
|
1,153
|
630
|
1,856
|
| Unrealized net actuarial gain (loss), Net of Tax |
(395)
|
(1,739)
|
(948)
|
(2,795)
|
| Net plan liability adjustment, Before Tax |
(442)
|
(2,690)
|
(933)
|
(4,081)
|
| Net plan liability adjustment, Tax Effect |
176
|
1,074
|
372
|
1,629
|
| Net plan liability adjustment, Net of Tax |
(266)
|
(1,616)
|
(561)
|
(2,452)
|
| SERP [Member] |
|
|
|
|
| Unrealized net actuarial gain (loss), Before Tax |
0
|
0
|
0
|
0
|
| Unrealized net actuarial gain (loss), Tax Effect |
0
|
0
|
0
|
0
|
| Unrealized net actuarial gain (loss), Net of Tax |
0
|
0
|
0
|
0
|
| Net plan liability adjustment, Before Tax |
25
|
18
|
74
|
52
|
| Net plan liability adjustment, Tax Effect |
(10)
|
(8)
|
(29)
|
(21)
|
| Net plan liability adjustment, Net of Tax |
15
|
10
|
45
|
31
|
| Amortization of unrecognized loss [Member] | Pension Plan [Member] |
|
|
|
|
| Less: amortization of unrecognized net gain (loss), Before Tax |
(212)
|
(204)
|
(636)
|
(576)
|
| Less: amortization of unrecognized net gain (loss), Tax Effect |
85
|
80
|
254
|
229
|
| Less: amortization of unrecognized net gain (loss), Net of Tax |
(127)
|
(124)
|
(382)
|
(347)
|
| Amortization of unrecognized loss [Member] | SERP [Member] |
|
|
|
|
| Less: amortization of unrecognized net gain (loss), Before Tax |
(20)
|
|
|
|
| Less: amortization of unrecognized net gain (loss), Tax Effect |
7
|
|
|
|
| Less: amortization of unrecognized net gain (loss), Net of Tax |
(13)
|
|
|
|
| Amortization of Unrecognized Gain [Member] | SERP [Member] |
|
|
|
|
| Less: amortization of unrecognized net gain (loss), Before Tax |
|
(13)
|
(59)
|
(37)
|
| Less: amortization of unrecognized net gain (loss), Tax Effect |
|
5
|
24
|
15
|
| Less: amortization of unrecognized net gain (loss), Net of Tax |
|
(8)
|
(35)
|
(22)
|
| Amortization of transition asset [Member] | Pension Plan [Member] |
|
|
|
|
| Less: amortization of transition asset, Before Tax |
0
|
5
|
0
|
15
|
| Less: amortization of transition asset, Tax Effect |
0
|
(2)
|
0
|
(6)
|
| Less: amortization of transition asset, Net of Tax |
0
|
3
|
0
|
9
|
| Amortization of prior service costs [Member] | Pension Plan [Member] |
|
|
|
|
| Less: amortization of prior service costs, Before Tax |
(3)
|
(3)
|
(9)
|
(9)
|
| Less: amortization of prior service costs, Tax Effect |
1
|
1
|
4
|
4
|
| Less: amortization of prior service costs, Net of Tax |
(2)
|
(2)
|
(5)
|
(5)
|
| Amortization of prior service costs [Member] | SERP [Member] |
|
|
|
|
| Less: amortization of prior service costs, Before Tax |
(5)
|
(5)
|
(15)
|
(15)
|
| Less: amortization of prior service costs, Tax Effect |
3
|
3
|
5
|
6
|
| Less: amortization of prior service costs, Net of Tax |
$ (2)
|
$ (2)
|
$ (10)
|
$ (9)
|