Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Assets
Cash and due from banks	$ 7,954	$ 7,445
Federal funds sold	29,552	15,767
Interest bearing deposits with banks and other short-term investments	167,347	167,261
Investment securities available-for-sale, at fair value	578,317	589,268
Federal Reserve and Federal Home Loan Bank stock	34,768	36,324
Loans held for sale	25,873	25,096
Loans	6,602,526	6,411,528
Less allowance for credit losses	(65,807)	(64,758)
Loans, net	6,536,719	6,346,770
Premises and equipment, net	19,808	20,991
Deferred income taxes	30,203	28,770
Bank owned life insurance	61,291	60,947
Intangible assets, net	107,097	107,212
Other real estate owned	1,394	1,394
Other assets	97,737	71,784
Total Assets	7,698,060	7,479,029
Deposits:
Noninterest bearing demand	1,909,210	1,982,912
Interest bearing transaction	366,986	420,417
Savings and money market	2,767,721	2,621,146
Time, $100,000 or more	598,307	515,682
Other time	479,577	313,827
Total deposits	6,121,801	5,853,984
Customer repurchase agreements	48,365	76,561
Other short-term borrowings	275,000	325,000
Long-term borrowings	217,003	216,905
Other liabilities	50,711	56,141
Total Liabilities	6,712,880	6,528,591
Shareholders' Equity
Common stock, par value $.01 per share; shares authorized 100,000,000, shares issued and outstanding 34,303,056, and 34,185,163 respectively	341	340
Additional paid in capital	522,316	520,304
Retained earnings	467,933	431,544
Accumulated other comprehensive loss	(5,410)	(1,750)
Total Shareholders' Equity	985,180	950,438
Total Liabilities and Shareholders' Equity	$ 7,698,060	$ 7,479,029