CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
ASSETS
Cash and cash equivalents	$ 345,512	$ 351,474
Available-for-sale debt securities	430,600	475,738
Held-to-maturity debt securities (fair value of $65,129 in 2019 and $64,858 in 2018)	64,623	65,227
Equity securities with readily determinable fair value	3,095	2,806
Mortgage loans held for sale, at fair value	11,313	8,971
Consumer loans held for sale, at the lower of cost or fair value	12,864	12,838
Loans (loans carried at fair value of $1,718 in 2019 and $1,922 in 2018)	4,298,710	4,148,227
Allowance for loan and lease losses	(57,961)	(44,675)
Loans, net	4,240,749	4,103,552
Federal Home Loan Bank stock, at cost	29,965	32,067
Premises and equipment, net	41,909	43,126
Premises, held for sale	1,618	1,694
Right-of-use assets	38,738
Goodwill	16,300	16,300
Other real estate owned	216	160
Bank owned life insurance	65,265	64,883
Other assets and accrued interest receivable	63,001	61,568
TOTAL ASSETS	5,365,768	5,240,404
Deposits:
Noninterest-bearing	1,184,480	1,003,969
Interest-bearing	2,589,836	2,452,176
Total deposits	3,774,316	3,456,145
Securities sold under agreements to repurchase and other short-term borrowings	173,168	182,990
Operating lease liabilities	40,203
Federal Home Loan Bank advances	560,000	810,000
Subordinated note	41,240	41,240
Other liabilities and accrued interest payable	59,750	60,095
Total liabilities	4,648,677	4,550,470
Commitments and contingent liabilities (Footnote 9)
STOCKHOLDERS’ EQUITY
Preferred stock, no par value
Class A Common Stock and Class B Common Stock, no par value	4,899	4,900
Additional paid in capital	141,206	141,018
Retained earnings	569,189	545,013
Accumulated other comprehensive income	1,797	(997)
Total stockholders’ equity	717,091	689,934
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 5,365,768	$ 5,240,404