Consolidated Balance Sheets - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Assets
Cash and due from banks	$ 247,056,000	$ 218,017,000
Short-term investments and interest bearing deposits	292,745,000	967,067,000
Securities available-for-sale (amortized cost of $1,336,345 in 2017 and $1,317,012 in 2016)	1,333,626,000	1,314,345,000
Loans held for sale	8,000,000	7,500,000
Loans	12,870,290,000	11,201,275,000
Less: Allowance for loan losses	(123,279,000)	(118,966,000)
Unamortized deferred loan fees, net	(3,245,000)	(4,994,000)
Loans, net	12,743,766,000	11,077,315,000
Federal Home Loan Bank stock	23,085,000	17,250,000
Other real estate owned, net	9,442,000	20,070,000
Affordable housing investments and alternative energy partnerships, net	272,871,000	251,077,000
Premises and equipment, net	103,064,000	105,607,000
Customers’ liability on acceptances	13,482,000	12,182,000
Accrued interest receivable	45,307,000	37,299,000
Goodwill	372,189,000	372,189,000
Other intangible assets, net	8,062,000	2,949,000
Other assets	167,491,000	117,902,000
Total assets	15,640,186,000	14,520,769,000
Deposits
Non-interest-bearing demand deposits	2,783,127,000	2,478,107,000
NOW deposits	1,410,519,000	1,230,445,000
Money market deposits	2,248,271,000	2,198,938,000
Savings deposits	857,199,000	719,949,000
Time deposits	5,390,777,000	5,047,287,000
Total deposits	12,689,893,000	11,674,726,000
Securities sold under agreements to repurchase	100,000,000	350,000,000
Advances from Federal Home Loan Banks	430,000,000	350,000,000
Other borrowings for affordable housing investments	17,481,000	17,662,000
Long-term debt	194,136,000	119,136,000
Deferred payments from acquisition	35,404,000
Acceptances outstanding	13,482,000	12,182,000
Other liabilities	186,486,000	168,524,000
Total liabilities	13,666,882,000	12,692,230,000
Commitments and contingencies
Stockholders’ Equity
Common stock, $0.01 par value, 100,000,000 shares authorized, 89,104,022 issued and 80,893,379 outstanding at December 31, 2017, and 87,820,920 issued and 79,610,277 outstanding at December 31, 2016	891,000	878,000
Additional paid-in-capital	932,874,000	895,480,000
Accumulated other comprehensive loss, net	(2,511,000)	(3,715,000)
Retained earnings	1,281,639,000	1,175,485,000
Treasury stock, at cost (8,210,643 shares at December 31, 2017, and at December 31, 2016)	(239,589,000)	(239,589,000)
Total equity	1,973,304,000	1,828,539,000
Total liabilities and equity	$ 15,640,186,000	$ 14,520,769,000