MERGERS AND ACQUISITIONS (Details 2) - USD ($) $ in Thousands		3 Months Ended
	Mar. 01, 2016	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Assets:
Cash and cash equivalents		$ 67,923		$ 60,783	[1]
Investment securities		1,103,444		689,132	[1]
Loans		5,209,964		3,077,656
Allowance for loan losses		(10,231)		(9,769)	[1]
Foreclosed assets		18,435		15,346	[1]
Deferred tax asset, net		79,342		55,607	[1]
Other assets		87,995		53,032	[1]
Total assets		7,421,010		4,474,144	[1]
Liabilities:
Deposits		5,349,712		3,310,297	[1]
Short-term borrowings		761,243		375,500	[1]
Long-term debt		198,320		194,967	[1]
Total liabilities		6,436,368		3,911,595	[1]
Goodwill		337,711		$ 152,152	[1]
Fair Value, Adjustment Disclosure [Abstract]
Accretion of acquisition discount on purchased loans	$ (9,844)	$ (5,712)	$ (6,552)
NewBridge Bancorp
Assets:
Cash and cash equivalents	45,143
Investment securities	441,587
Loans	2,061,136
Allowance for loan losses	0
Loans held for sale	13,661
Federal Home Loan Bank stock, at cost	21,577
Premises and equipment, net	47,779
Bank owned life insurance	61,747
Foreclosed assets	1,241
Deferred tax asset, net	26,524
Other intangibles, net	19,890
Other assets	40,104
Total assets	2,780,389
Liabilities:
Deposits	1,990,109
Short-term borrowings	472,335
Long-term debt	31,724
Other liabilities	40,444
Total liabilities	2,534,612
Net assets acquired	245,777
Purchase price	431,336
Goodwill	185,559
Fair Value, Adjustment Disclosure [Abstract]
Accretion of acquisition discount on purchased loans	(32,589)
Deferred loans fees	3,450
NewBridge Bancorp | Scenario, Previously Reported
Assets:
Cash and cash equivalents	45,143
Investment securities	443,535
Loans	2,087,331
Allowance for loan losses	(21,100)
Loans held for sale	13,661
Federal Home Loan Bank stock, at cost	21,577
Premises and equipment, net	43,408
Bank owned life insurance	61,747
Foreclosed assets	1,241
Deferred tax asset, net	30,014
Other intangibles, net	3,506
Other assets	40,375
Total assets	2,770,438
Liabilities:
Deposits	1,990,247
Short-term borrowings	471,800
Long-term debt	41,049
Other liabilities	34,461
Total liabilities	2,537,557
Net assets acquired	232,881
NewBridge Bancorp | Initial Fair Value Adjustments
Assets:
Cash and cash equivalents	0
Investment securities	(1,948)
Loans	(26,195)
Allowance for loan losses	21,100
Loans held for sale	0
Federal Home Loan Bank stock, at cost	0
Premises and equipment, net	4,371
Bank owned life insurance	0
Foreclosed assets	0
Deferred tax asset, net	(3,490)
Other intangibles, net	16,384
Other assets	(271)
Total assets	9,951
Liabilities:
Deposits	(138)
Short-term borrowings	535
Long-term debt	(9,325)
Other liabilities	5,983
Total liabilities	(2,945)
Net assets acquired	$ 12,896

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