Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2015	Dec. 31, 2014
Royal Bancshares of Pennsylvania, Inc. equity:
Preferred stock, liquidation value (in dollars per share)	$ 1,000	$ 1,000
Preferred stock, shares authorized (in shares)	500,000	500,000
Preferred stock, shares outstanding (in shares)	18,856	18,856
Class A - Common stock
Royal Bancshares of Pennsylvania, Inc. equity:
Common stock, par value (in dollars per share)	$ 2.00	$ 2.00
Common stock, shares authorized (in shares)	40,000,000	40,000,000
Common stock, shares issued (in shares)	28,200,269	28,200,269
Treasury stock, shares (in shares)	377,771	398,365
Class B - Common stock
Royal Bancshares of Pennsylvania, Inc. equity:
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	3,000,000	3,000,000
Common stock, shares issued (in shares)	1,931,692	1,931,692