Income Taxes - Deferred Tax Assets, Net (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Deferred tax assets:
Allowance for loan losses	$ 6,360	$ 6,956
Other than temporary impairment	829	829
Accrued liabilities	43	55
OREO property	112	178
Net operating loss	13,285	14,375
Sidus goodwill	747	779
Deferred Tax Assets, Unrealized Losses on Available-for-Sale Securities, Gross	0	0
Other	2,480	3,243
Deferred tax assets, gross	23,856	26,415
Less: Valuation Allowance	0	0
Deferred tax assets, net of valuation allowance	23,856	26,415
Deferred tax liabilities:
Unrealized gain on available-for-sale securities	(484)	(3)
FMV adjustment related to mergers	(116)	(97)
Depreciation	(1,887)	(1,753)
Prepaid expenses	(342)	(342)
Other	(7)	(6)
Deferred tax liabilities	(3,551)	(2,990)
Net deferred tax asset	20,305	23,425	[1]
Core deposit intangible
Deferred tax liabilities:
Intangibles	(704)	(765)
Noncompete intangible
Deferred tax liabilities:
Intangibles	$ (11)	$ (24)

[1] Derived from audited consolidated financial statements