CONDENSED FINANCIAL STATEMENTS OF PEAPACK-GLADSTONE FINANCIAL CORPORATION (PARENT COMPANY ONLY) (STATEMENTS OF CONDITION) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Assets
Cash	$ 6,621	$ 6,534
Interest-earning deposits	24,485	28,512
Total cash and cash equivalents	31,207	35,147	119,228	43,053
Securities available for sale	332,652	268,447
Other assets	13,241	15,832
Total assets	2,702,397	1,966,948	1,667,836
Liabilities
Other liabilities	12,433	10,695
Total liabilities	2,460,130	1,796,291
Shareholders' equity
Common stock	12,954	10,148
Surplus	195,829	140,699
Treasury stock	(8,988)	(8,988)
Retained earnings	41,251	28,775
Accumulated other comprehensive income, net of income tax benefit	1,221	23
Total shareholders' equity	242,267	170,657	122,057	122,971
Total liabilities and shareholders' equity	2,702,397	1,966,948
The Corporation [Member]
Assets
Cash	9,311	44,424
Interest-earning deposits	516	516
Total cash and cash equivalents	9,827	44,940
Securities available for sale
Investment in subsidiary	232,461	165,874
Other assets	220	647
Total assets	242,508	211,461
Liabilities
Note payable		40,500
Other liabilities	241	304
Total liabilities	241	40,804
Shareholders' equity
Common stock	12,954	10,148
Surplus	195,829	140,699
Treasury stock	(8,988)	(8,988)
Retained earnings	41,251	28,775
Accumulated other comprehensive income, net of income tax benefit	1,221	23
Total shareholders' equity	242,267	170,657
Total liabilities and shareholders' equity	$ 242,508	$ 211,461