Accumulated Other Comprehensive Loss (Components of Comprehensive Income) (Details) - USD ($)
$ in Thousands |
3 Months Ended |
9 Months Ended |
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
| Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax |
$ (39)
|
$ (460)
|
$ 1,747
|
$ (207)
|
| Cash flow hedges: Unrealized holding gains, Before Tax |
7
|
261
|
(156)
|
(799)
|
| Cash flow hedges: Unrealized holding gains, Tax Effect |
(3)
|
(104)
|
62
|
319
|
| Cash flow hedges: Unrealized holding gains, Net of Tax |
4
|
157
|
(94)
|
(480)
|
| Unrealized net actuarial gain (loss), Net of Tax |
184
|
(266)
|
380
|
(561)
|
| Other comprehensive income, Before tax amount |
722
|
(574)
|
4,153
|
(719)
|
| Other comprehensive income, Tax (expense) benefit |
(285)
|
229
|
(1,653)
|
287
|
| Other comprehensive income, Net |
437
|
(345)
|
2,500
|
(432)
|
| Investment securities- with OTTI [Member] |
|
|
|
|
| Available for sale (AFS) securities with OTTI: Unrealized holding gains, Before tax amount |
407
|
47
|
517
|
380
|
| Available for sale (AFS) securities with OTTI: Unrealized holding gains, Tax effect |
(162)
|
(19)
|
(204)
|
(152)
|
| Available for sale (AFS) securities with OTTI: Unrealized holding gains, Net of tax |
245
|
28
|
313
|
228
|
| Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income |
55
|
2
|
112
|
7
|
| Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Tax effect |
(22)
|
(1)
|
(43)
|
(3)
|
| Other than temporary impairment losses, investments, reclassification adjustment of noncredit portion included in net income, Available for sale securities, Net of tax |
33
|
1
|
69
|
4
|
| Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI, Before tax amount |
352
|
45
|
405
|
373
|
| Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI, Tax effect |
(140)
|
(18)
|
(161)
|
(149)
|
| Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI, Net of tax |
212
|
27
|
244
|
224
|
| Investment Securities -All Other AFS [Member] |
|
|
|
|
| Securities: Unrealized holding losses, Before tax |
(95)
|
(534)
|
2,859
|
115
|
| Securities: Unrealized holding losses, Tax effect |
44
|
213
|
(1,139)
|
(46)
|
| Securities: Unrealized holding losses, Net of tax |
(51)
|
(321)
|
1,720
|
69
|
| Securities: Less: gains recognized in income, Before tax |
(27)
|
232
|
(44)
|
460
|
| Securities: Less: gains recognized in income, Tax effect |
15
|
(93)
|
17
|
(184)
|
| Securities: gains recognized in income, Net of tax |
(12)
|
139
|
(27)
|
276
|
| Available for sale securities: Net unrealized losses on all other AFS securities, Before Tax |
(68)
|
(766)
|
2,903
|
(345)
|
| Available for sale securities: Net unrealized losses on all other AFS securities, Tax effect |
29
|
306
|
(1,156)
|
138
|
| Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax |
(39)
|
(460)
|
1,747
|
(207)
|
| 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 |
(90)
|
(303)
|
(262)
|
(911)
|
| Securities: Less: gains recognized in income, Tax effect |
36
|
121
|
104
|
364
|
| Securities: gains recognized in income, Net of tax |
(54)
|
(182)
|
(158)
|
(547)
|
| Held to maturity securities: Net unrealized losses on all HTM securities, Before tax |
90
|
303
|
262
|
911
|
| Held to maturity securities: Net unrealized losses on all HTM securities, Tax |
(36)
|
(121)
|
(104)
|
(364)
|
| Held to maturity securities: Net unrealized losses on all HTM securities, After tax |
54
|
182
|
158
|
547
|
| Pension Plan [Member] |
|
|
|
|
| Unrealized net actuarial gain (loss), Before Tax |
38
|
(657)
|
(170)
|
(1,578)
|
| Unrealized net actuarial gain (loss), Tax Effect |
(14)
|
262
|
68
|
630
|
| Unrealized net actuarial gain (loss), Net of Tax |
24
|
(395)
|
(102)
|
(948)
|
| Net plan liability adjustment, Before Tax |
305
|
(442)
|
631
|
(933)
|
| Net plan liability adjustment, Tax Effect |
(121)
|
176
|
(251)
|
372
|
| Net plan liability adjustment, Net of Tax |
184
|
(266)
|
380
|
(561)
|
| 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
|
| 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)
|
|
|
| Less: amortization of prior service costs, Before Tax |
|
(5)
|
|
|
| Less: amortization of prior service costs, Tax Effect |
|
3
|
|
|
| Less: amortization of prior service costs, Net of Tax |
|
(2)
|
|
|
| Net plan liability adjustment, Before Tax |
36
|
25
|
108
|
74
|
| Net plan liability adjustment, Tax Effect |
(14)
|
(10)
|
(43)
|
(29)
|
| Net plan liability adjustment, Net of Tax |
22
|
15
|
65
|
45
|
| Amortization of unrecognized loss [Member] | Pension Plan [Member] |
|
|
|
|
| Less: amortization of unrecognized net gain (loss), Before Tax |
(264)
|
(212)
|
(792)
|
(636)
|
| Less: amortization of unrecognized net gain (loss), Tax Effect |
105
|
85
|
315
|
254
|
| Less: amortization of unrecognized net gain (loss), Net of Tax |
(159)
|
(127)
|
(477)
|
(382)
|
| Amortization of unrecognized loss [Member] | SERP [Member] |
|
|
|
|
| Less: amortization of unrecognized net gain (loss), Before Tax |
(37)
|
|
|
|
| Less: amortization of unrecognized net gain (loss), Tax Effect |
14
|
|
|
|
| Less: amortization of unrecognized net gain (loss), Net of Tax |
(23)
|
|
|
|
| Amortization of Unrecognized Gain [Member] | SERP [Member] |
|
|
|
|
| Less: amortization of unrecognized net gain (loss), Before Tax |
|
|
(110)
|
(59)
|
| Less: amortization of unrecognized net gain (loss), Tax Effect |
|
|
44
|
24
|
| Less: amortization of unrecognized net gain (loss), Net of Tax |
|
|
(66)
|
(35)
|
| Amortization of transition asset [Member] | Pension Plan [Member] |
|
|
|
|
| Less: amortization of transition asset, Before Tax |
0
|
0
|
0
|
0
|
| Less: amortization of transition asset, Tax Effect |
0
|
0
|
0
|
0
|
| Less: amortization of transition asset, Net of Tax |
0
|
0
|
0
|
0
|
| 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 |
2
|
1
|
4
|
4
|
| Less: amortization of prior service costs, Net of Tax |
(1)
|
$ (2)
|
(5)
|
(5)
|
| Amortization of prior service costs [Member] | SERP [Member] |
|
|
|
|
| Less: amortization of prior service costs, Before Tax |
1
|
|
2
|
(15)
|
| Less: amortization of prior service costs, Tax Effect |
0
|
|
(1)
|
5
|
| Less: amortization of prior service costs, Net of Tax |
$ 1
|
|
$ 1
|
$ (10)
|