Investment Securities (Details) - Unrealized gains on investment securities - USD ($)
$ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Investment securities available-for-sale |
|
|
| Investment Securities Available-for-Sale, Amortized Cost |
$ 351,928
|
$ 194,619
|
| Investment Securities Available-for-Sale, Gross Unrealized Gains |
4,645
|
2,271
|
| Investment Securities Available-for-Sale, Gross Unrealized Losses |
(3,283)
|
(1,120)
|
| Investment Securities Available-for-Sale, Fair Value |
353,290
|
195,770
|
| Investment securities held-to-maturity |
|
|
| Investment Securities Held-to-Maturity, Amortized Cost |
|
224,056
|
| Investment Securities Held-to-Maturity, Gross Unrealized Gains |
|
6,793
|
| Investment Securities Held-to-Maturity, Gross Unrealized Losses |
|
(291)
|
| Investment Securities Held-to-Maturity, Fair Value |
|
231,445
|
| Federal Agency Obligations [Member] |
|
|
| Investment securities available-for-sale |
|
|
| Investment Securities Available-for-Sale, Amortized Cost |
52,826
|
29,062
|
| Investment Securities Available-for-Sale, Gross Unrealized Gains |
282
|
142
|
| Investment Securities Available-for-Sale, Gross Unrealized Losses |
(271)
|
(58)
|
| Investment Securities Available-for-Sale, Fair Value |
52,837
|
29,146
|
| Investment securities held-to-maturity |
|
|
| Investment Securities Held-to-Maturity, Amortized Cost |
|
33,616
|
| Investment Securities Held-to-Maturity, Gross Unrealized Gains |
|
280
|
| Investment Securities Held-to-Maturity, Gross Unrealized Losses |
|
(119)
|
| Investment Securities Held-to-Maturity, Fair Value |
|
33,777
|
| Residential Mortgage Backed Securities [Member] |
|
|
| Investment securities available-for-sale |
|
|
| Investment Securities Available-for-Sale, Amortized Cost |
72,922
|
44,155
|
| Investment Securities Available-for-Sale, Gross Unrealized Gains |
519
|
803
|
| Investment Securities Available-for-Sale, Gross Unrealized Losses |
(944)
|
(48)
|
| Investment Securities Available-for-Sale, Fair Value |
72,497
|
44,910
|
| Investment securities held-to-maturity |
|
|
| Investment Securities Held-to-Maturity, Amortized Cost |
|
3,805
|
| Investment Securities Held-to-Maturity, Gross Unrealized Gains |
|
11
|
| Investment Securities Held-to-Maturity, Gross Unrealized Losses |
|
(6)
|
| Investment Securities Held-to-Maturity, Fair Value |
|
3,810
|
| Commercial Mortgage Backed Securities [Member] |
|
|
| Investment securities available-for-sale |
|
|
| Investment Securities Available-for-Sale, Amortized Cost |
4,186
|
2,981
|
| Investment Securities Available-for-Sale, Gross Unrealized Gains |
23
|
|
| Investment Securities Available-for-Sale, Gross Unrealized Losses |
|
(9)
|
| Investment Securities Available-for-Sale, Fair Value |
4,209
|
2,972
|
| Investment securities held-to-maturity |
|
|
| Investment Securities Held-to-Maturity, Amortized Cost |
|
4,110
|
| Investment Securities Held-to-Maturity, Gross Unrealized Gains |
|
27
|
| Investment Securities Held-to-Maturity, Gross Unrealized Losses |
|
(2)
|
| Investment Securities Held-to-Maturity, Fair Value |
|
4,135
|
| US States and Political Subdivisions Debt Securities [Member] |
|
|
| Investment securities available-for-sale |
|
|
| Investment Securities Available-for-Sale, Amortized Cost |
148,747
|
8,188
|
| Investment Securities Available-for-Sale, Gross Unrealized Gains |
2,789
|
169
|
| Investment Securities Available-for-Sale, Gross Unrealized Losses |
(931)
|
|
| Investment Securities Available-for-Sale, Fair Value |
150,605
|
8,357
|
| Investment securities held-to-maturity |
|
|
| Investment Securities Held-to-Maturity, Amortized Cost |
|
118,015
|
| Investment Securities Held-to-Maturity, Gross Unrealized Gains |
|
5,001
|
| Investment Securities Held-to-Maturity, Gross Unrealized Losses |
|
(3)
|
| Investment Securities Held-to-Maturity, Fair Value |
|
123,013
|
| Trust Preferred Securities [Member] |
|
|
| Investment securities available-for-sale |
|
|
| Investment Securities Available-for-Sale, Amortized Cost |
5,575
|
16,088
|
| Investment Securities Available-for-Sale, Gross Unrealized Gains |
242
|
398
|
| Investment Securities Available-for-Sale, Gross Unrealized Losses |
(151)
|
(231)
|
| Investment Securities Available-for-Sale, Fair Value |
5,666
|
16,255
|
| Corporate Bonds And Notes [Member] |
|
|
| Investment securities available-for-sale |
|
|
| Investment Securities Available-for-Sale, Amortized Cost |
36,717
|
53,566
|
| Investment Securities Available-for-Sale, Gross Unrealized Gains |
586
|
702
|
| Investment Securities Available-for-Sale, Gross Unrealized Losses |
(375)
|
(292)
|
| Investment Securities Available-for-Sale, Fair Value |
36,928
|
53,976
|
| Investment securities held-to-maturity |
|
|
| Investment Securities Held-to-Maturity, Amortized Cost |
|
36,039
|
| Investment Securities Held-to-Maturity, Gross Unrealized Gains |
|
719
|
| Investment Securities Held-to-Maturity, Gross Unrealized Losses |
|
(161)
|
| Investment Securities Held-to-Maturity, Fair Value |
|
36,597
|
| Asset-backed Securities [Member] |
|
|
| Investment securities available-for-sale |
|
|
| Investment Securities Available-for-Sale, Amortized Cost |
14,867
|
20,005
|
| Investment Securities Available-for-Sale, Gross Unrealized Gains |
2
|
18
|
| Investment Securities Available-for-Sale, Gross Unrealized Losses |
(286)
|
(298)
|
| Investment Securities Available-for-Sale, Fair Value |
14,583
|
19,725
|
| Certificates of Deposit [Member] |
|
|
| Investment securities available-for-sale |
|
|
| Investment Securities Available-for-Sale, Amortized Cost |
973
|
1,895
|
| Investment Securities Available-for-Sale, Gross Unrealized Gains |
10
|
18
|
| Investment Securities Available-for-Sale, Gross Unrealized Losses |
|
(8)
|
| Investment Securities Available-for-Sale, Fair Value |
983
|
1,905
|
| Equity Securities [Member] |
|
|
| Investment securities available-for-sale |
|
|
| Investment Securities Available-for-Sale, Amortized Cost |
376
|
376
|
| Investment Securities Available-for-Sale, Gross Unrealized Gains |
192
|
21
|
| Investment Securities Available-for-Sale, Gross Unrealized Losses |
|
(23)
|
| Investment Securities Available-for-Sale, Fair Value |
568
|
374
|
| Other Securities [Member] |
|
|
| Investment securities available-for-sale |
|
|
| Investment Securities Available-for-Sale, Amortized Cost |
14,739
|
18,303
|
| Investment Securities Available-for-Sale, Gross Unrealized Gains |
|
|
| Investment Securities Available-for-Sale, Gross Unrealized Losses |
(325)
|
(153)
|
| Investment Securities Available-for-Sale, Fair Value |
$ 14,414
|
18,150
|
| US Treasury Securities [Member] |
|
|
| Investment securities held-to-maturity |
|
|
| Investment Securities Held-to-Maturity, Amortized Cost |
|
28,471
|
| Investment Securities Held-to-Maturity, Gross Unrealized Gains |
|
755
|
| Investment Securities Held-to-Maturity, Gross Unrealized Losses |
|
|
| Investment Securities Held-to-Maturity, Fair Value |
|
$ 29,226
|