Securities - Schedule of Marketable Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Available for sale at fair value:
Available for sale at fair value, Within one year	$ 2,409
Available for sale at fair value yield, Within one year	1.56%
Available for sale at fair value, After one through five years	$ 5,386
Available for sale at fair value yield, After one through five years	1.90%
Available for sale at fair value, After five through ten years	$ 10,885
Available for sale at fair value yield, After five through ten years	2.61%
Available for sale at fair value, After ten years	$ 25,506
Available for sale at fair value yield, After ten years	2.55%
Available-for-sale Securities	$ 44,186	$ 52,865
Available for sale at fair value yield	2.43%
Held to maturity at cost:
Held to maturity at cost, Within one year	$ 255
Held to maturity at cost yield, Within one year	1.50%
Held to maturity at cost, After one through five years	$ 42
Held to maturity at cost yield, After one through five years	5.02%
Held to maturity at cost, After five through ten years	$ 12,386
Held to maturity at cost yield, After five through ten years	4.68%
Held to maturity at cost, After ten years	$ 15,491
Held to maturity at cost yield, After ten years	3.54%
Amortized cost	$ 28,174	18,471
Held to maturity at cost yield,	4.03%
U.S. Government sponsored entities
Available for sale at fair value:
Available for sale at fair value, Within one year	$ 4
Available for sale at fair value yield, Within one year	0.89%
Available for sale at fair value, After one through five years	$ 3,797
Available for sale at fair value yield, After one through five years	1.61%
Available for sale at fair value, After five through ten years	$ 0
Available for sale at fair value yield, After five through ten years	0.00%
Available for sale at fair value, After ten years	$ 0
Available for sale at fair value yield, After ten years	0.00%
Available-for-sale Securities	$ 3,801	6,581
Available for sale at fair value yield	1.61%
Held to maturity at cost:
Held to maturity at cost, Within one year	$ 0
Held to maturity at cost yield, Within one year	0.00%
Held to maturity at cost, After one through five years	$ 0
Held to maturity at cost yield, After one through five years	0.00%
Held to maturity at cost, After five through ten years	$ 0
Held to maturity at cost yield, After five through ten years	0.00%
Held to maturity at cost, After ten years	$ 3,773
Held to maturity at cost yield, After ten years	1.97%
Amortized cost	$ 3,773	3,988
Held to maturity at cost yield,	1.97%
State and political subdivisions
Available for sale at fair value:
Available for sale at fair value, Within one year	$ 0
Available for sale at fair value yield, Within one year	0.00%
Available for sale at fair value, After one through five years	$ 777
Available for sale at fair value yield, After one through five years	3.12%
Available for sale at fair value, After five through ten years	$ 1,326
Available for sale at fair value yield, After five through ten years	3.06%
Available for sale at fair value, After ten years	$ 3,526
Available for sale at fair value yield, After ten years	2.73%
Available-for-sale Securities	$ 5,629	10,782
Available for sale at fair value yield	2.86%
Held to maturity at cost:
Held to maturity at cost, Within one year	$ 213
Held to maturity at cost yield, Within one year	1.00%
Held to maturity at cost, After one through five years	$ 0
Held to maturity at cost yield, After one through five years	0.00%
Held to maturity at cost, After five through ten years	$ 492
Held to maturity at cost yield, After five through ten years	5.08%
Held to maturity at cost, After ten years	$ 1,602
Held to maturity at cost yield, After ten years	4.64%
Amortized cost	$ 2,307	2,364
Held to maturity at cost yield,	4.40%
Residential mortgage-backed securities
Available for sale at fair value:
Available for sale at fair value, Within one year	$ 0
Available for sale at fair value yield, Within one year	0.00%
Available for sale at fair value, After one through five years	$ 654
Available for sale at fair value yield, After one through five years	2.23%
Available for sale at fair value, After five through ten years	$ 3,220
Available for sale at fair value yield, After five through ten years	2.30%
Available for sale at fair value, After ten years	$ 19,585
Available for sale at fair value yield, After ten years	2.76%
Available-for-sale Securities	$ 23,459	26,439
Available for sale at fair value yield	2.69%
Held to maturity at cost:
Held to maturity at cost, Within one year	$ 42
Held to maturity at cost yield, Within one year	4.07%
Held to maturity at cost, After one through five years	$ 42
Held to maturity at cost yield, After one through five years	5.02%
Held to maturity at cost, After five through ten years	$ 818
Held to maturity at cost yield, After five through ten years	2.77%
Held to maturity at cost, After ten years	$ 4,279
Held to maturity at cost yield, After ten years	2.74%
Amortized cost	$ 5,181	6,232
Held to maturity at cost yield,	2.80%
Commercial mortgage-backed securities
Held to maturity at cost:
Held to maturity at cost, Within one year	$ 0
Held to maturity at cost yield, Within one year	0.00%
Held to maturity at cost, After one through five years	$ 0
Held to maturity at cost yield, After one through five years	0.00%
Held to maturity at cost, After five through ten years	$ 0
Held to maturity at cost yield, After five through ten years	0.00%
Held to maturity at cost, After ten years	$ 3,823
Held to maturity at cost yield, After ten years	2.76%
Amortized cost	$ 3,823	3,902
Held to maturity at cost yield,	2.76%
Corporate and other securities
Available for sale at fair value:
Available for sale at fair value, Within one year	$ 2,405
Available for sale at fair value yield, Within one year	1.56%
Available for sale at fair value, After one through five years	$ 158
Available for sale at fair value yield, After one through five years	1.62%
Available for sale at fair value, After five through ten years	$ 6,339
Available for sale at fair value yield, After five through ten years	2.68%
Available for sale at fair value, After ten years	$ 2,395
Available for sale at fair value yield, After ten years	0.56%
Available-for-sale Securities	$ 11,297	9,063
Available for sale at fair value yield	1.98%
Held to maturity at cost:
Held to maturity at cost, Within one year	$ 0
Held to maturity at cost yield, Within one year	0.00%
Held to maturity at cost, After one through five years	$ 0
Held to maturity at cost yield, After one through five years	0.00%
Held to maturity at cost, After five through ten years	$ 11,076
Held to maturity at cost yield, After five through ten years	4.81%
Held to maturity at cost, After ten years	$ 2,014
Held to maturity at cost yield, After ten years	8.80%
Amortized cost	$ 13,090	$ 1,985
Held to maturity at cost yield,	5.42%