Consolidated Statements of Changes in Shareholders' Equity - Unaudited - 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
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 (loss) income attributable to noncontrolling interest		6						6
Dividends paid or accrued		(8,987)					(8,987)
Other comprehensive income (loss), net of tax expense (benefit)		(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)			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
Ending balance at Jun. 30, 2018		542,503	$ 24,453	372,227	(68,943)	(11,191)	226,634	(677)
Beginning balance (in shares) at Mar. 31, 2018			24,438,758
Beginning balance at Mar. 31, 2018		533,061	$ 24,439	371,319	(68,787)	(9,664)	216,438	(684)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Bryn Mawr Bank Corporation		14,688					14,688
Net (loss) income attributable to noncontrolling interest		7						7
Dividends paid or accrued		(4,492)					(4,492)
Other comprehensive income (loss), net of tax expense (benefit)		(1,527)				(1,527)
Stock based compensation		615		615
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		(106)			(106)
Net treasury stock activity for deferred compensation trusts		(72)			(72)
Common stock issued through share-based awards and options exercises (in shares)			14,350
Common stock issued through share-based awards and options exercises		216	$ 13	203
Shares issued in acquisitions (in shares)	[2]		2,562
Shares issued in acquisitions	[2]	113	$ 3	110
Ending balance (in shares) at Jun. 30, 2018			24,453,417
Ending balance at Jun. 30, 2018		$ 542,503	$ 24,453	372,227	(68,943)	(11,191)	226,634	(677)
Beginning balance (in shares) at Dec. 31, 2018		24,545,348	24,545,348
Beginning balance at Dec. 31, 2018		$ 564,704	$ 24,545	374,010	(75,883)	(7,513)	250,230	(685)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Bryn Mawr Bank Corporation		26,462					26,462
Net (loss) income attributable to noncontrolling interest		(8)						(8)
Dividends paid or accrued		(10,196)					(10,196)
Other comprehensive income (loss), net of tax expense (benefit)		9,213				9,213
Stock based compensation		1,987		1,987
Retirement of treasury stock (in shares)			(2,704)
Retirement of treasury stock		0	$ (3)	(27)	30
Net purchase of treasury stock from stock awards for statutory tax withholdings		(45)			(45)
Net treasury stock activity for deferred compensation trusts		(82)			(82)
Purchase of treasury stock through publicly announced plans		$ (2,603)			(2,603)
Common stock issued through share-based awards and options exercises (in shares)		34,075	39,913
Common stock issued through share-based awards and options exercises		$ 723	$ 41	682
Ending balance (in shares) at Jun. 30, 2019		24,582,557	24,582,557
Ending balance at Jun. 30, 2019		$ 590,155	$ 24,583	376,652	(78,583)	1,700	266,496	(693)
Beginning balance (in shares) at Mar. 31, 2019			24,577,248
Beginning balance at Mar. 31, 2019		575,107	$ 24,577	375,655	(76,974)	(3,278)	255,813	(686)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Bryn Mawr Bank Corporation		15,785					15,785
Net (loss) income attributable to noncontrolling interest		(7)						(7)
Dividends paid or accrued		(5,102)					(5,102)
Other comprehensive income (loss), net of tax expense (benefit)		4,978				4,978
Stock based compensation		850		850
Retirement of treasury stock (in shares)			(2,704)
Retirement of treasury stock		0	$ (3)	(27)	30
Net purchase of treasury stock from stock awards for statutory tax withholdings		(11)			(11)
Net treasury stock activity for deferred compensation trusts		(82)			(82)
Purchase of treasury stock through publicly announced plans		$ (1,546)			(1,546)
Common stock issued through share-based awards and options exercises (in shares)		4,475	8,013
Common stock issued through share-based awards and options exercises		$ 183	$ 9	174
Ending balance (in shares) at Jun. 30, 2019		24,582,557	24,582,557
Ending balance at Jun. 30, 2019		$ 590,155	$ 24,583	$ 376,652	$ (78,583)	$ 1,700	$ 266,496	$ (693)

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

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