Investment Securities Held to Maturity Securities by Type (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity Securities	$ 30,253us-gaap_HeldToMaturitySecurities
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	19
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(98)
Securities held to maturity, fair value	30,174	0
Residential Mortgage Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity Securities	26,315
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(98)
Securities held to maturity, fair value	26,217
Obligations of States and Political Subdivisions [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity Securities	3,938
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	19
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0
Securities held to maturity, fair value	$ 3,957

Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Amount of accumulated unrealized gain on investments in debt securities classified as held-to-maturity.

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Fair value of investments in debt securities classified as held-to-maturity.

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