Unaudited Condensed Consolidated Statements of Financial Condition - USD ($) $ in Thousands		Sep. 30, 2015	Dec. 31, 2014
Assets
Cash on hand and in banks		$ 104,363	$ 122,834
Federal funds sold		2,210	1,025
Interest bearing cash deposits		136,262	318,550
Cash and cash equivalents		242,835	442,409
Investment securities, available-for-sale		2,530,994	2,387,428
Investment securities, held-to-maturity		651,822	520,997
Total investment securities		3,182,816	2,908,425
Loans held for sale		40,456	46,726
Loans receivable	[1]	4,876,419	4,488,095
Allowance for loan and lease losses		(130,768)	(129,753)
Loans receivable, net		4,745,651	4,358,342
Premises and equipment, net		185,864	179,175
Other real estate owned		26,609	27,804
Accrued interest receivable		46,786	40,587
Deferred tax asset		55,095	41,737
Core deposit intangible, net		10,781	10,900
Goodwill		130,843	129,706
Non-marketable equity securities		24,905	52,868
Other assets		71,658	67,828
Total assets		8,764,299	8,306,507
Liabilities
Non-interest bearing deposits		1,893,723	1,632,403
Interest bearing deposits		4,779,456	4,712,809
Securities sold under agreements to repurchase		441,041	397,107
Federal Home Loan Bank advances		329,299	296,944
Other borrowed funds		6,619	7,311
Subordinated debentures		125,812	125,705
Accrued interest payable		3,641	4,155
Other liabilities		109,900	102,026
Total liabilities		7,689,491	7,278,460
Stockholders' Equity
Preferred shares, $0.01 par value per share, 1,000,000 shares authorized, none issued or outstanding		0	0
Common stock, $0.01 par value per share, 117,187,500 shares authorized		755	750
Paid-in capital		720,639	708,356
Retained earnings - substantially restricted		345,407	301,197
Accumulated other comprehensive income		8,007	17,744
Total stockholders' equity		1,074,808	1,028,047
Total liabilities and stockholders' equity		$ 8,764,299	$ 8,306,507
Number of common stock shares issued and outstanding		75,532,082	75,026,092

[1] Includes net deferred fees, costs, premiums and discounts of $12,450,000 and $13,710,000 at September 30, 2015 and December 31, 2014, respectively.