CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total		Preferred Stock	Common Stock	Common Stock Warrants	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2014			28,405	31,599,150
Beginning balance at Dec. 31, 2014	$ 557,802		$ 28,405	$ 31,599	$ 717	$ 492,014	$ 7,311	$ (2,244)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	20,991						20,991
Other comprehensive loss	(1,701)							(1,701)
Restricted stock grants (in shares)				103,000
Restricted stock grants	0			$ 103		(103)
Stock-based compensation	130					130
Stock options exercised (in shares)				9,871
Stock options exercised	120			$ 10		110
Redemption of preferred stock (in shares)			(28,405)
Redemption of preferred stock	(28,405)		$ (28,405)
Preferred stock dividends	(821)						(821)
Ending balance (in shares) at Jun. 30, 2015			0	31,712,021
Ending balance at Jun. 30, 2015	548,116		$ 0	$ 31,712	717	492,151	27,481	(3,945)
Beginning balance (in shares) at Dec. 31, 2015			0	31,726,767
Beginning balance at Dec. 31, 2015	562,549	[1]	$ 0	$ 31,727	717	492,828	44,794	(7,517)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	25,203						25,203
Other comprehensive loss	6,138							6,138
Restricted stock grants (in shares)				100,000
Restricted stock grants	0			$ 100		(100)
Restricted stock forfeiture (in shares)				(10,000)
Restricted stock forfeiture	0			$ (10)		10
Stock-based compensation	404					404
Stock options exercised (in shares)				86,790
Stock options exercised	1,010			$ 87		923
Acquisition of NewBridge Bancorp (in shares)				19,605,374
Acquisition of NewBridge Bancorp	431,336			$ 19,605		411,731
Shares issued for restricted stock units (in shares)				68,644
Shares issued for restricted stock units	0			$ 69		(69)
Common stock dividends	(24,102)						(24,102)
Ending balance (in shares) at Jun. 30, 2016			0	51,577,575
Ending balance at Jun. 30, 2016	$ 1,002,538		$ 0	$ 51,578	$ 717	$ 905,727	$ 45,895	$ (1,379)

[1] Derived from the audited consolidated financial statements included in the Company's 2015 Annual Report on Form 10-K.