Investment Securities Schedule of Held to Maturity Securities (Details) $ in Thousands |
Dec. 31, 2015
USD ($)
|
Dec. 31, 2014
USD ($)
|
| Schedule of Held-to-maturity Securities [Line Items] |
|
|
| Held-to-Maturity Securities |
$ 320,611
|
$ 302,024
|
| Held-to-maturity Securities, at Fair Value |
325,930
|
308,566
|
| Gross Unrealized Gains |
5,487
|
6,705
|
| Gross Unrealized Losses |
168
|
163
|
| Held-to-maturity Securities, Pledged as Collateral |
299,767
|
282,640
|
| Maturities of Debt Securities, at Amortized Cost [Abstract] |
|
|
| Within One Year |
36,615
|
|
| From 1 - 5 Years |
152,564
|
|
| From 5 - 10 Years |
126,426
|
|
| Over 10 Years |
5,006
|
|
| Maturities of Debt Securities, at Fair Value [Abstract] |
|
|
| Within One Year |
36,695
|
|
| From 1 - 5 Years |
155,375
|
|
| From 5 - 10 Years |
128,767
|
|
| Over 10 Years |
5,093
|
|
| Securities in a Continuous Loss Position, at Fair Value [Abstract] |
|
|
| Less than 12 Months |
8,302
|
6,724
|
| 12 Months or Longer |
15,918
|
16,033
|
| Total |
$ 24,220
|
$ 22,757
|
| Number of Securities in a Continuous Loss Position |
62
|
75
|
| Unrealized Losses on Securities in a Continuous Loss Position [Abstract] |
|
|
| Less than 12 Months |
$ 104
|
$ 25
|
| 12 Months or Longer |
64
|
138
|
| Total |
168
|
163
|
| State and Municipal Obligations [Member] |
|
|
| Schedule of Held-to-maturity Securities [Line Items] |
|
|
| Held-to-Maturity Securities |
226,053
|
188,472
|
| Held-to-maturity Securities, at Fair Value |
230,621
|
193,252
|
| Gross Unrealized Gains |
4,619
|
4,935
|
| Gross Unrealized Losses |
51
|
155
|
| Maturities of Debt Securities, at Amortized Cost [Abstract] |
|
|
| Within One Year |
36,615
|
|
| From 1 - 5 Years |
91,014
|
|
| From 5 - 10 Years |
94,418
|
|
| Over 10 Years |
4,006
|
|
| Maturities of Debt Securities, at Fair Value [Abstract] |
|
|
| Within One Year |
36,695
|
|
| From 1 - 5 Years |
93,335
|
|
| From 5 - 10 Years |
96,498
|
|
| Over 10 Years |
4,093
|
|
| Securities in a Continuous Loss Position, at Fair Value [Abstract] |
|
|
| Less than 12 Months |
2,302
|
2,143
|
| 12 Months or Longer |
11,764
|
16,033
|
| Total |
$ 14,066
|
$ 18,176
|
| Number of Securities in a Continuous Loss Position |
54
|
74
|
| Unrealized Losses on Securities in a Continuous Loss Position [Abstract] |
|
|
| Less than 12 Months |
$ 11
|
$ 17
|
| 12 Months or Longer |
40
|
138
|
| Total |
51
|
155
|
| Mortgage-Backed Securities - Residential [Member] |
|
|
| Schedule of Held-to-maturity Securities [Line Items] |
|
|
| Held-to-Maturity Securities |
93,558
|
112,552
|
| Held-to-maturity Securities, at Fair Value |
94,309
|
114,314
|
| Gross Unrealized Gains |
868
|
1,770
|
| Gross Unrealized Losses |
117
|
8
|
| Maturities of Debt Securities, at Amortized Cost [Abstract] |
|
|
| Within One Year |
0
|
|
| From 1 - 5 Years |
61,550
|
|
| From 5 - 10 Years |
32,008
|
|
| Over 10 Years |
0
|
|
| Maturities of Debt Securities, at Fair Value [Abstract] |
|
|
| Within One Year |
0
|
|
| From 1 - 5 Years |
62,040
|
|
| From 5 - 10 Years |
32,269
|
|
| Over 10 Years |
0
|
|
| Securities in a Continuous Loss Position, at Fair Value [Abstract] |
|
|
| Less than 12 Months |
6,000
|
4,581
|
| 12 Months or Longer |
4,154
|
0
|
| Total |
$ 10,154
|
$ 4,581
|
| Number of Securities in a Continuous Loss Position |
8
|
1
|
| Unrealized Losses on Securities in a Continuous Loss Position [Abstract] |
|
|
| Less than 12 Months |
$ 93
|
$ 8
|
| 12 Months or Longer |
24
|
0
|
| Total |
117
|
8
|
| Mortgage-Backed Securities - Residential [Member] | Agency Securities [Member] |
|
|
| Schedule of Held-to-maturity Securities [Line Items] |
|
|
| Held-to-Maturity Securities |
3,800
|
4,400
|
| Held-to-maturity Securities, at Fair Value |
3,900
|
4,500
|
| Mortgage-Backed Securities - Residential [Member] | US Government-sponsored Enterprises Debt Securities [Member] |
|
|
| Schedule of Held-to-maturity Securities [Line Items] |
|
|
| Held-to-Maturity Securities |
89,800
|
108,100
|
| Held-to-maturity Securities, at Fair Value |
90,500
|
109,800
|
| Corporate and Other Debt Securities [Member] |
|
|
| Schedule of Held-to-maturity Securities [Line Items] |
|
|
| Held-to-Maturity Securities |
1,000
|
1,000
|
| Held-to-maturity Securities, at Fair Value |
1,000
|
1,000
|
| Gross Unrealized Gains |
0
|
0
|
| Gross Unrealized Losses |
0
|
0
|
| Maturities of Debt Securities, at Amortized Cost [Abstract] |
|
|
| Within One Year |
0
|
|
| From 1 - 5 Years |
0
|
|
| From 5 - 10 Years |
0
|
|
| Over 10 Years |
1,000
|
|
| Maturities of Debt Securities, at Fair Value [Abstract] |
|
|
| Within One Year |
0
|
|
| From 1 - 5 Years |
0
|
|
| From 5 - 10 Years |
0
|
|
| Over 10 Years |
1,000
|
|
| Securities in a Continuous Loss Position, at Fair Value [Abstract] |
|
|
| Less than 12 Months |
0
|
0
|
| 12 Months or Longer |
0
|
0
|
| Total |
$ 0
|
$ 0
|
| Number of Securities in a Continuous Loss Position |
0
|
0
|
| Unrealized Losses on Securities in a Continuous Loss Position [Abstract] |
|
|
| Less than 12 Months |
$ 0
|
$ 0
|
| 12 Months or Longer |
0
|
0
|
| Total |
$ 0
|
$ 0
|