Investments (Amortized Cost and Fair Values Classified by Contractual Maturity Date) (Details) - USD ($) $ in Thousands |
Sep. 30, 2016 |
Dec. 31, 2015 |
| Schedule of Investments [Line Items] |
|
|
| Amortized Cost: Due after one year through five years |
$ 10,671
|
|
| Amortized Cost: Due after five years through ten years |
19,939
|
|
| Amortized Cost: Due after ten years |
43,514
|
|
| Amortized Cost: Sub Total |
74,124
|
|
| Fair Value: Due after one year through five years |
10,681
|
|
| Fair Value: Due after five years through ten years |
20,102
|
|
| Fair Value: Due after ten years |
39,236
|
|
| Available For Sale Debt Maturities Fair Value Sub Total |
70,019
|
|
| Available-for-sale Securities, Amortized Cost Basis |
151,329
|
$ 173,549
|
| Available-for-sale Securities |
148,037
|
170,232
|
| Amortized Cost: Due after five years through ten years, Held to maturity |
15,704
|
|
| Amortized Cost: Due after ten years, Held to maturity |
6,987
|
|
| Amortized Cost: Total, Held to maturity |
22,691
|
|
| Fair Value: Due after five years through ten years, Held to maturity |
16,839
|
|
| Fair Value: Due after ten years, Held to maturity |
8,442
|
|
| Fair Value: Total, Held to maturity |
25,281
|
|
| Held-to-maturity securities |
98,387
|
105,560
|
| Held-to-maturity securities, fair value |
103,286
|
106,742
|
| Residential mortgage-backed agencies [Member] |
|
|
| Schedule of Investments [Line Items] |
|
|
| Available-for-sale Securities, Amortized Cost Basis |
|
14,285
|
| Available-for-sale Securities |
|
14,170
|
| Held-to-maturity securities |
52,784
|
53,734
|
| Held-to-maturity securities, fair value |
53,995
|
53,912
|
| Commercial mortgage-backed agencies [Member] |
|
|
| Schedule of Investments [Line Items] |
|
|
| Available-for-sale Securities, Amortized Cost Basis |
56,191
|
43,780
|
| Available-for-sale Securities |
57,010
|
43,636
|
| Held-to-maturity securities |
17,657
|
18,078
|
| Held-to-maturity securities, fair value |
18,730
|
18,232
|
| Collateralized mortgage obligations [Member] |
|
|
| Schedule of Investments [Line Items] |
|
|
| Available-for-sale Securities, Amortized Cost Basis |
21,014
|
9,690
|
| Available-for-sale Securities |
21,008
|
9,610
|
| Held-to-maturity securities |
5,255
|
6,419
|
| Held-to-maturity securities, fair value |
$ 5,280
|
$ 6,297
|