Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Consolidated Statements of Comprehensive Income (Unaudited) [Abstract]
Net income	$ 1,260		$ 1,233
Other comprehensive income, (loss) net of tax:
Unrealized holding gains (losses) arising during the period (net of tax of $111 and $358 respectively for the periods presented)	(215)		695
Reclassification adjustment for gains included in net income (net of tax of $16 and $47 respectively for the periods presented)	(31)		(92)
Unrealized gain on interest rate swap (net of tax of $20 and $27 respectively for the periods presented)	39		53
Total other comprehensive income	(207)	[1]	656	[1]
Total comprehensive income (loss)	1,053		1,889
Comprehensive loss attributable to non-controlling interest	67		349
Comprehensive income attributable to Middleburg Financial Corporation	$ 1,120		$ 2,238

[1] All amounts shown are net of applicable income taxes using an income tax rate of 34%.