Derivative Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Derivative [Line Items]
Derivative Asset, Notional Amount	$ 154,099	$ 132,388
Derivative Liability, Notional Amount	154,099	132,388
Fair Value of assets, Net total	3,159	1,553
Fair Value of liabilities, Net total	$ (3,328)	(1,637)
Customer
Derivative [Line Items]
Fixed Rate, lower rate range	3.99%
Fixed Rate, higher rate range	5.99%
Floating Rate Spread, lower range	2.50%
Floating Rate Spread, upper range	4.50%
Maturity	3 years 2 months 12 days
Correspondent
Derivative [Line Items]
Fixed Rate, lower rate range	3.99%
Fixed Rate, higher rate range	5.99%
Floating Rate Spread, lower range	2.50%
Floating Rate Spread, upper range	4.50%
Maturity	3 years 2 months 12 days
Interest Rate Swap | Not Designated as Hedging Instrument [Member] | Customer
Derivative [Line Items]
Derivative Asset, Notional Amount	$ 137,251	$ 115,459
Fixed Rate, lower rate range		3.99%
Fixed Rate, higher rate range		5.99%
Maturity		3 years 1 month 6 days
Fair Value of assets, Net total	3,152	$ 1,528
Interest Rate Swap | Not Designated as Hedging Instrument [Member] | Customer | London Interbank Offered Rate (LIBOR) [Member]
Derivative [Line Items]
Floating Rate Spread, lower range		2.50%
Floating Rate Spread, upper range		4.50%
Interest Rate Swap | Not Designated as Hedging Instrument [Member] | Correspondent
Derivative [Line Items]
Derivative Liability, Notional Amount	137,251	$ 115,459
Fixed Rate, lower rate range		3.99%
Fixed Rate, higher rate range		5.99%
Maturity		3 years 1 month 6 days
Fair Value of liabilities, Net total	$ (3,321)	$ (1,612)
Interest Rate Swap | Not Designated as Hedging Instrument [Member] | Correspondent | London Interbank Offered Rate (LIBOR) [Member]
Derivative [Line Items]
Floating Rate Spread, lower range		2.50%
Floating Rate Spread, upper range		4.50%