CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
ASSETS
Cash and cash equivalents	$ 397,072	$ 351,474
Available-for-sale debt securities	572,015	475,738
Held-to-maturity debt securities (fair value of $63,872 in 2019 and $64,858 in 2018)	63,315	65,227
Equity securities with readily determinable fair value	3,367	2,806
Mortgage loans held for sale, at fair value	32,739	8,971
Consumer loans held for sale, at the lower of cost or fair value	18,504	12,838
Loans held for sale in connection with sale of banking centers, at the lower of cost or fair value	130,770
Loans (loans carried at fair value of $1,187 in 2019 and $1,922 in 2018)	4,664,054	4,148,227
Allowance for loan and lease losses	(46,932)	(44,675)
Loans, net	4,617,122	4,103,552
Federal Home Loan Bank stock, at cost	32,242	32,067
Premises and equipment, net	45,264	43,126
Premises, held for sale	1,471	1,694
Right-of-use assets	36,051
Goodwill	16,300	16,300
Other real estate owned	119	160
Bank owned life insurance	66,037	64,883
Other assets and accrued interest receivable	71,259	61,568
TOTAL ASSETS	6,103,647	5,240,404
Deposits:
Noninterest-bearing	1,031,553	1,003,969
Interest-bearing	2,703,199	2,452,176
Deposits held for assumption in connection with sale of banking centers	142,384
Total deposits	3,877,136	3,456,145
Securities sold under agreements to repurchase and other short-term borrowings	167,949	182,990
Operating lease liabilities	37,391
Federal Home Loan Bank advances	1,170,000	810,000
Subordinated note	41,240	41,240
Other liabilities and accrued interest payable	65,484	60,095
Total liabilities	5,359,200	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	4,908	4,900
Additional paid in capital	141,904	141,018
Retained earnings	594,479	545,013
Accumulated other comprehensive income (loss)	3,156	(997)
Total stockholders’ equity	744,447	689,934
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 6,103,647	$ 5,240,404