CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 2,121	$ 1,649	$ 5,856	$ 5,264
Other comprehensive income (loss), net of tax:
Unrealized holding gains (losses) arising during the period, net of tax of $89, $902, $1,911 and $2,870, respectively	173	(1,748)	3,710	(5,572)
Reclassification adjustment for gains included in net income, net of tax of $4, $8, $48 and $135, respectively	(8)	(15)	(93)	(262)
Unrealized gain (loss) on interest rate swaps, net of tax of $39, $2, $14 and $103, respectively	81	(4)	(27)	200
Reclassification adjustment for gain on interest rate swap ineffectiveness included in net income, net of tax of $3, $0, $0 and $0, respectively	(5)	0	0	0
Total other comprehensive income (loss)	241	(1,767)	3,590	(5,634)
Total comprehensive income (loss)	2,362	(118)	9,446	(370)
Comprehensive (income) loss attributable to non-controlling interest	0	(38)	98	(233)
Comprehensive income (loss) attributable to Middleburg Financial Corporation	$ 2,362	$ (156)	$ 9,544	$ (603)