Investment Securities - Unrealized Loss Position (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) item	Dec. 31, 2014 USD ($) item
Available for sale investment securities that have been in a continuous unrealized loss position
Less Than 12 Months, Fair Value	$ 48,121	$ 11,728
Less Than 12 Months, Unrealized Loss	388	46
12 Months or More, Fair Value	3,601	7,895
12 Months or More, Unrealized Loss	68	111
Total Fair Value	51,722	19,623
Total Unrealized Loss	$ 456	$ 157
Number of investment positions in an unrealized loss position | item	52	23
U.S. government agencies
Available for sale investment securities that have been in a continuous unrealized loss position
Less Than 12 Months, Fair Value	$ 2,978
Less Than 12 Months, Unrealized Loss	7
12 Months or More, Fair Value	809	$ 1,881
12 Months or More, Unrealized Loss	29	47
Total Fair Value	3,787	1,881
Total Unrealized Loss	36	47
Municipal securities
Available for sale investment securities that have been in a continuous unrealized loss position
Less Than 12 Months, Fair Value	4,216
Less Than 12 Months, Unrealized Loss	52
Total Fair Value	4,216
Total Unrealized Loss	52
Mortgage-backed securities
Available for sale investment securities that have been in a continuous unrealized loss position
Less Than 12 Months, Fair Value	32,255	10,148
Less Than 12 Months, Unrealized Loss	253	39
12 Months or More, Fair Value	2,792	3,572
12 Months or More, Unrealized Loss	39	34
Total Fair Value	35,047	13,720
Total Unrealized Loss	292	73
Collateralized mortgage obligations
Available for sale investment securities that have been in a continuous unrealized loss position
Less Than 12 Months, Fair Value	8,672	1,580
Less Than 12 Months, Unrealized Loss	76	7
12 Months or More, Fair Value		2,442
12 Months or More, Unrealized Loss		30
Total Fair Value	8,672	4,022
Total Unrealized Loss	$ 76	$ 37