CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION - USD ($) $ in Thousands		Sep. 30, 2018	Dec. 31, 2017
ASSETS
Cash and due from banks		$ 184,417	$ 199,624
Interest bearing deposits		64,244	61,576
Total cash and cash equivalents		248,661	261,200
Securities—trading, amortized cost $27,340 and $27,246, respectively		25,764	22,318
Securities—trading, amortized cost $27,340 and $27,246, respectively		25,764	22,318
Securities—available-for-sale, amortized cost $1,451,897 and $926,112, respectively		1,412,273	919,485
Securities—held-to-maturity, fair value $254,094 and $262,188, respectively		258,699	260,271
Total securities		1,696,736	1,202,074
Federal Home Loan Bank (FHLB) stock		19,196	10,334
Loans held for sale (includes $67.1 million and $32.4 million, at fair value, respectively)		72,850	40,725
Loans receivable		7,822,519	7,598,884
Allowance for loan losses		95,263	89,028
Net loans receivable		7,727,256	7,509,856
Accrued interest receivable		37,676	31,259
Real estate owned (REO), held for sale, net		364	360
Property and equipment, net		151,212	154,815
Goodwill		242,659	242,659
Other intangibles, net		18,499	22,655
Bank-owned life insurance (BOLI)		163,265	162,668
Deferred tax assets, net		78,471	71,427
Other assets		57,458	53,177
Total assets		10,514,303	9,763,209
Deposits:
Non-interest-bearing		3,469,294	3,265,544
Interest-bearing transaction and savings accounts		4,035,856	3,950,950
Interest-bearing certificates	[1]	1,180,674	966,937
Total deposits		8,685,824	8,183,431
Advances from FHLB		221,184	202
Other borrowings		98,979	95,860
Junior subordinated debentures at fair value (issued in connection with Trust Preferred Securities)		113,110	98,707
Accrued expenses and other liabilities		82,530	71,344
Deferred compensation		40,478	41,039
Total liabilities		9,242,105	8,490,583
COMMITMENTS AND CONTINGENCIES (Note 13)
SHAREHOLDERS’ EQUITY
Preferred stock - $0.01 par value per share, 500,000 shares authorized; no shares outstanding at September 30, 2018 and December 31, 2017		0	0
Retained earnings		109,942	90,535
Carrying value of shares held in trust for stock related compensation plans		(7,182)	(7,351)
Liability for common stock issued to stock related compensation plans		7,182	7,351
Accumulated other comprehensive loss		(12,994)	(5,036)
Total shareholders' equity		1,272,198	1,272,626
Total liabilities & shareholders' equity		10,514,303	9,763,209
Voting Common Stock [Member]
SHAREHOLDERS’ EQUITY
Common stock and paid in capital		1,174,004	1,185,919
Nonvoting Common Stock [Member]
SHAREHOLDERS’ EQUITY
Common stock and paid in capital		$ 1,246	$ 1,208

[1] Certificates of deposit include $0 and $11,000 of acquisition premiums at September 30, 2018 and December 31, 2017, respectively.