Consolidated Statements of Changes in Shareholders' Equity - Unaudited - 6 months ended Jun. 30, 2018 - USD ($) $ in Thousands		Total	Common Stock	Paid-in Capital	Treasury Stock	Accumulated Other Comprehensive Loss	Retained Earnings	Noncontrolling Interest
Beginning balance (in shares) at Dec. 31, 2017		24,360,049	24,360,049
Beginning balance at Dec. 31, 2017		$ 528,119	$ 24,360	$ 371,486	$ (68,179)	$ (4,414)	$ 205,549	$ (683)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Bryn Mawr Bank Corporation		29,974					29,974
Net income attributable to noncontrolling interest		6						6
Dividends paid or accrued, $0.44 per share		(8,987)					(8,987)
Other comprehensive loss, net of tax benefit of $1,801		(6,777)				(6,777)
Stock based compensation		1,235		1,235
Retirement of treasury stock (in shares)			(2,253)
Retirement of treasury stock		0	$ (2)	(20)	22
Net purchase of treasury stock from stock awards for statutory tax withholdings		(732)			(732)
Net treasury stock activity for deferred compensation trusts		99		153	(54)
Repurchase of warrants from U.S. Treasury		$ (1,755)		(1,853)			98
Common stock issued through share-based awards and options exercises (in shares)		48,675	93,059
Common stock issued through share-based awards and options exercises		$ 1,208	$ 92	1,116
Shares issued in acquisitions (in shares)	[1]		2,562
Shares issued in acquisitions	[1]	$ 113	$ 3	110
Ending balance (in shares) at Jun. 30, 2018		24,453,417	24,453,417
Ending balance at Jun. 30, 2018		$ 542,503	$ 24,453	$ 372,227	$ (68,943)	$ (11,191)	$ 226,634	$ (677)

[1] Restricted shares relating to the RBPI Merger (defined in Note 3 – Business Combinations below) recorded during the three months ended June 30, 2018.