Condensed Financial Information - Parent Corporation Only STATEMENTS OF OPERATIONS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
INCOME:
Interest and dividends from investments	$ 42,281	$ 43,325	$ 44,272
EXPENSES:
Salaries and employee benefits	18,435	22,601	30,627
Interest expense	4,207	5,243	6,567
Other	6,343	6,891	8,190
Income before income taxes	10,545	9,827	8,094
Income tax benefit	2,715	2,341	1,931
Net income attributable to Middleburg Financial Corporation	7,830	7,584	6,154
Middleburg Financial Corporation [Member]
INCOME:
Dividends from subsidiaries	5,383	3,440	2,670
Interest and dividends from investments	0	15	0
Other income	17	0	41
Total income	5,400	3,455	2,711
EXPENSES:
Salaries and employee benefits	919	746	671
Legal and professional fees	156	56	20
Directors fees	274	280	279
Interest expense	279	279	279
Other	424	401	361
Total expenses	2,052	1,762	1,610
Income before income taxes	3,348	1,693	1,101
Income tax benefit	(715)	(753)	(542)
Income before equity in undistributed income of subsidiaries	4,063	2,446	1,643
Equity in undistributed income of subsidiaries	3,767	5,138	4,511
Net income attributable to Middleburg Financial Corporation	$ 7,830	$ 7,584	$ 6,154