CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 8,064	$ 7,830	$ 7,486
Other comprehensive income (loss), net of tax:
Unrealized holding gains (losses) arising during the period, net of tax of $1,091, $1,037, and ($1,979), respectively	(2,116)	(2,015)	3,841
Reclassification adjustment for gains included in net income, net of tax of $528, $48, and $63, respectively	(1,026)	(92)	(123)
Unrealized gains (losses) on interest rate swaps, net of tax of ($34), $3, and $82, respectively	65	(6)	(160)
Reclassification adjustment for (gain) loss on interest rate swap ineffectiveness included in net income, net of tax of $0, $2 and ($2), respectively	0	(4)	4
Total other comprehensive income (loss)	(3,077)	(2,117)	3,562
Total comprehensive income	4,987	5,713	11,048
Comprehensive loss attributable to non-controlling interest	0	0	98
Comprehensive income attributable to Middleburg Financial Corporation	$ 4,987	$ 5,713	$ 11,146