Securities Portfolio (Details) $ in Thousands		12 Months Ended
	Feb. 10, 2016 USD ($)	Dec. 31, 2015 USD ($) Security	Dec. 31, 2014 USD ($) Security
Amortized cost and fair value of securities held-to-maturity [Abstract]
Securities held-to-maturity		$ 0	$ 90,089
Unamortized market adjustment on securities transferred to held-to-maturity			5,131
Amortized Cost			95,220
Gross Unrealized Gains			449
Gross Unrealized Losses		0	(1,263)
Fair Value		0	94,406
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Losses [Abstract]
Held-to-maturity securities, less than twelve months, gross unrealized losses		0	2
Held-to-maturity securities, twelve months or longer, gross unrealized losses		0	1,261
Held-to-maturity securities, unrealized loss position		0	1,263
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Held-to-maturity securities, less than twelve months, fair value		0	1,261
Held-to-maturity securities, twelve months or longer, fair value		0	65,649
Held-to-maturity securities, continuous unrealized loss position, fair value		$ 0	$ 66,910
Held-to-maturity Securities, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract]
Number of Held-to-maturity securities | Security		0	13
Other Comprehensive Income (Loss), Transfers from Held-to-maturity to Available-for-Sale Securities, before Tax		$ 4,197	$ 0
Other Comprehensive Income (Loss), Transfers from Held-to-maturity to Available-for-Sale Securities, Tax		1,427	0
Other Comprehensive Income (Loss), Transfers from Held-to-maturity to Available-for-Sale Securities, Net of Tax		2,770	0
Amortized cost and fair value of securities available-for-sale [Abstract]
Available-for-Sale Securities, Amortized Cost		215,064	139,464
Available-for-Sale Securities, Gross Unrealized Gains		1,328	737
Available-for-Sale Securities, Gross Unrealized Losses		(2,200)	(855)
Available-for-Sale Securities, Fair Value		214,192	139,346
Securities pledged as collateral		119,790	134,542
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Securities available-for-sale, less than twelve months, gross unrealized losses		897	82
Securities available-for-sale, more than twelve months, gross unrealized losses		1,303	773
Securities available-for-sale, continuous unrealized loss position		2,200	855
Securities Available-for-Sale, Fair Value [Abstract]
Securities available-for-sale, less than twelve months, fair value		69,065	18,374
Securities available-for-sale, more than twelve months, fair value		52,381	49,163
Securities available-for-sale, continuous unrealized loss position, fair value		$ 121,446	$ 67,537
Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract]
Number of securities available-for-sale | Security		45	46
Available-for-Sale, Amortized Cost [Abstract]
Due in one year or less		$ 20,500
Due after one year through five years		17,853
Due after five years through ten years		23,505
Due after ten years		152,475
Total debt securities		214,333
Other securities without stated maturities		731
Total securities		215,064
Available-for-Sale, Fair Value [Abstract]
Due in one year or less		20,501
Due after one year through five years		18,074
Due after five years through ten years		23,936
Due after ten years		150,951
Total debt securities		213,462
Other securities without stated maturities		730
Fair Value		214,192
Information about securities sold [Abstract]
Proceeds from sales		23,005	$ 38,653
Gross realized gains		76	276
Gross realized losses		0	274
Subsequent Event [Member]
Held-to-maturity Securities, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract]
Other Comprehensive Income (Loss), Transfers from Held-to-maturity to Available-for-Sale Securities, before Tax	$ 4,197
Other Comprehensive Income (Loss), Transfers from Held-to-maturity to Available-for-Sale Securities, Tax	1,427
Other Comprehensive Income (Loss), Transfers from Held-to-maturity to Available-for-Sale Securities, Net of Tax	2,770
Securities Transferred From Held-to-Maturity to Available-for-Sale	81,358	81,358
Change In The Carrying Value Of The Securities Portfolio Due To Transfer From Held-To-Maturity To Available-For-Sale	3,415
Change In Other Assets Due To Transfer From Held-To-Maturity To Available-For-Sale	(1,161)
Change In Other Comprehensive Income Due To Transfer From Held-To-Maturity To Available-For-Sale	$ 2,254
US Treasury Securities [Member]
Amortized cost and fair value of securities available-for-sale [Abstract]
Available-for-Sale Securities, Amortized Cost		0	20,000
Available-for-Sale Securities, Gross Unrealized Gains		0	0
Available-for-Sale Securities, Gross Unrealized Losses		0	0
Available-for-Sale Securities, Fair Value		0	20,000
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Securities available-for-sale, less than twelve months, gross unrealized losses		0	0
Securities available-for-sale, more than twelve months, gross unrealized losses		0	0
Securities available-for-sale, continuous unrealized loss position		0	0
Securities Available-for-Sale, Fair Value [Abstract]
Securities available-for-sale, less than twelve months, fair value		0	0
Securities available-for-sale, more than twelve months, fair value		0	0
Securities available-for-sale, continuous unrealized loss position, fair value		$ 0	$ 0
Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract]
Number of securities available-for-sale | Security		0	0
Obligations of US Government Agencies [Member]
Amortized cost and fair value of securities available-for-sale [Abstract]
Available-for-Sale Securities, Amortized Cost		$ 24,353	$ 4,768
Available-for-Sale Securities, Gross Unrealized Gains		1	2
Available-for-Sale Securities, Gross Unrealized Losses		(114)	(152)
Available-for-Sale Securities, Fair Value		24,240	4,618
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Securities available-for-sale, less than twelve months, gross unrealized losses		0	0
Securities available-for-sale, more than twelve months, gross unrealized losses		114	152
Securities available-for-sale, continuous unrealized loss position		114	152
Securities Available-for-Sale, Fair Value [Abstract]
Securities available-for-sale, less than twelve months, fair value		0	0
Securities available-for-sale, more than twelve months, fair value		3,940	4,316
Securities available-for-sale, continuous unrealized loss position, fair value		$ 3,940	$ 4,316
Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract]
Number of securities available-for-sale | Security		2	1
Obligations of States and Political Subdivisions [Member]
Amortized cost and fair value of securities available-for-sale [Abstract]
Available-for-Sale Securities, Amortized Cost		$ 77,223	$ 49,783
Available-for-Sale Securities, Gross Unrealized Gains		1,323	698
Available-for-Sale Securities, Gross Unrealized Losses		(113)	(235)
Available-for-Sale Securities, Fair Value		78,433	50,246
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Securities available-for-sale, less than twelve months, gross unrealized losses		42	2
Securities available-for-sale, more than twelve months, gross unrealized losses		71	233
Securities available-for-sale, continuous unrealized loss position		113	235
Securities Available-for-Sale, Fair Value [Abstract]
Securities available-for-sale, less than twelve months, fair value		4,177	604
Securities available-for-sale, more than twelve months, fair value		3,545	11,951
Securities available-for-sale, continuous unrealized loss position, fair value		$ 7,722	$ 12,555
Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract]
Number of securities available-for-sale | Security		13	24
Mortgage-backed Securities [Member]
Amortized cost and fair value of securities available-for-sale [Abstract]
Available-for-Sale Securities, Amortized Cost		$ 109,360	$ 61,296
Available-for-Sale Securities, Gross Unrealized Gains		0	34
Available-for-Sale Securities, Gross Unrealized Losses		(1,964)	(442)
Available-for-Sale Securities, Fair Value		107,396	60,888
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Securities available-for-sale, less than twelve months, gross unrealized losses		848	62
Securities available-for-sale, more than twelve months, gross unrealized losses		1,116	380
Securities available-for-sale, continuous unrealized loss position		1,964	442
Securities Available-for-Sale, Fair Value [Abstract]
Securities available-for-sale, less than twelve months, fair value		62,698	16,589
Securities available-for-sale, more than twelve months, fair value		44,698	32,104
Securities available-for-sale, continuous unrealized loss position, fair value		$ 107,396	$ 48,693
Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract]
Number of securities available-for-sale | Security		13	6
Money Market Investments [Member]
Amortized cost and fair value of securities available-for-sale [Abstract]
Available-for-Sale Securities, Amortized Cost		$ 631	$ 719
Available-for-Sale Securities, Gross Unrealized Gains		0	0
Available-for-Sale Securities, Gross Unrealized Losses		0	0
Available-for-Sale Securities, Fair Value		631	719
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Securities available-for-sale, continuous unrealized loss position		0	0
Corporate bond and other securities [Member]
Amortized cost and fair value of securities available-for-sale [Abstract]
Available-for-Sale Securities, Amortized Cost		3,397	2,798
Available-for-Sale Securities, Gross Unrealized Gains		4	3
Available-for-Sale Securities, Gross Unrealized Losses		(8)	(11)
Available-for-Sale Securities, Fair Value		3,393	2,790
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Securities available-for-sale, less than twelve months, gross unrealized losses		6	3
Securities available-for-sale, more than twelve months, gross unrealized losses		2	8
Securities available-for-sale, continuous unrealized loss position		8	11
Securities Available-for-Sale, Fair Value [Abstract]
Securities available-for-sale, less than twelve months, fair value		2,091	1,096
Securities available-for-sale, more than twelve months, fair value		198	792
Securities available-for-sale, continuous unrealized loss position, fair value		$ 2,289	$ 1,888
Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract]
Number of securities available-for-sale | Security		16	14
Common Stock [Member]
Amortized cost and fair value of securities available-for-sale [Abstract]
Available-for-Sale Securities, Amortized Cost		$ 100	$ 100
Available-for-Sale Securities, Gross Unrealized Gains		0	0
Available-for-Sale Securities, Gross Unrealized Losses		(1)	(15)
Available-for-Sale Securities, Fair Value		99	85
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Securities available-for-sale, less than twelve months, gross unrealized losses		1	15
Securities available-for-sale, more than twelve months, gross unrealized losses		0	0
Securities available-for-sale, continuous unrealized loss position		1	15
Securities Available-for-Sale, Fair Value [Abstract]
Securities available-for-sale, less than twelve months, fair value		99	85
Securities available-for-sale, more than twelve months, fair value		0	0
Securities available-for-sale, continuous unrealized loss position, fair value		$ 99	$ 85
Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract]
Number of securities available-for-sale | Security		1	1
Obligations of US Government Agencies [Member]
Amortized cost and fair value of securities held-to-maturity [Abstract]
Securities held-to-maturity			$ 100
Unamortized market adjustment on securities transferred to held-to-maturity			0
Amortized Cost			100
Gross Unrealized Gains			0
Gross Unrealized Losses		$ 0	(3)
Fair Value			97
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Losses [Abstract]
Held-to-maturity securities, less than twelve months, gross unrealized losses		0	0
Held-to-maturity securities, twelve months or longer, gross unrealized losses		0	3
Held-to-maturity securities, unrealized loss position		0	3
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Held-to-maturity securities, less than twelve months, fair value		0	0
Held-to-maturity securities, twelve months or longer, fair value		0	97
Held-to-maturity securities, continuous unrealized loss position, fair value		$ 0	$ 97
Held-to-maturity Securities, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract]
Number of Held-to-maturity securities | Security		0	1
Obligations of States and Political Subdivisions [Member]
Amortized cost and fair value of securities held-to-maturity [Abstract]
Securities held-to-maturity			$ 29,529
Unamortized market adjustment on securities transferred to held-to-maturity			0
Amortized Cost			29,529
Gross Unrealized Gains			449
Gross Unrealized Losses		$ 0	(18)
Fair Value			29,960
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Losses [Abstract]
Held-to-maturity securities, less than twelve months, gross unrealized losses		0	2
Held-to-maturity securities, twelve months or longer, gross unrealized losses		0	16
Held-to-maturity securities, unrealized loss position		0	18
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Held-to-maturity securities, less than twelve months, fair value		0	1,261
Held-to-maturity securities, twelve months or longer, fair value		0	1,203
Held-to-maturity securities, continuous unrealized loss position, fair value		$ 0	$ 2,464
Held-to-maturity Securities, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract]
Number of Held-to-maturity securities | Security		0	6
Mortgage-backed Securities [Member]
Amortized cost and fair value of securities held-to-maturity [Abstract]
Securities held-to-maturity			$ 60,460
Unamortized market adjustment on securities transferred to held-to-maturity			5,131
Amortized Cost			65,591
Gross Unrealized Gains			0
Gross Unrealized Losses			(1,242)
Fair Value			64,349
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Losses [Abstract]
Held-to-maturity securities, less than twelve months, gross unrealized losses			0
Held-to-maturity securities, twelve months or longer, gross unrealized losses			1,242
Held-to-maturity securities, unrealized loss position			1,242
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Held-to-maturity securities, less than twelve months, fair value			0
Held-to-maturity securities, twelve months or longer, fair value			64,349
Held-to-maturity securities, continuous unrealized loss position, fair value			$ 64,349
Held-to-maturity Securities, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract]
Number of Held-to-maturity securities | Security			6