CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Dec. 31, 2017	Dec. 31, 2016
Assets:
Cash and due from banks		$ 79,853	$ 106,185
Short-term investments		3,070	1,612
Mortgage loans held for sale, at fair value		26,943	29,434
Securities:
Available for sale, at fair value		780,954	739,912
Held to maturity, at amortized cost (fair value $12,721 in 2017 and $15,920 in 2016)		12,541	15,633
Total securities		793,495	755,545
Federal Home Loan Bank stock, at cost		40,517	43,129
Loans:
Total loans	[1]	3,374,071	3,234,371
Less allowance for loan losses		26,488	26,004
Net loans		3,347,583	3,208,367
Premises and equipment, net		28,333	29,020
Investment in bank-owned life insurance		73,267	71,105
Goodwill		63,909	64,059
Identifiable intangible assets, net		9,140	10,175
Other assets		63,740	62,484
Total assets		4,529,850	4,381,115
Liabilities:
Demand deposits		661,138	585,960
NOW accounts		466,605	427,707
Money market accounts		731,345	730,075
Savings accounts		368,524	358,397
Time deposits		1,015,095	961,613
Total deposits		3,242,707	3,063,752
Federal Home Loan Bank advances		791,356	848,930
Junior subordinated debentures		22,681	22,681
Other liabilities		59,822	54,948
Total liabilities		4,116,566	3,990,311
Commitments and contingencies
Shareholders’ Equity:
Common stock of $.0625 par value; authorized 60,000,000 shares; issued and outstanding 17,226,508 shares in 2017 and 17,170,820 shares in 2016		1,077	1,073
Paid-in capital		117,961	115,123
Retained earnings		317,756	294,365
Accumulated other comprehensive loss		(23,510)	(19,757)
Total shareholders’ equity		413,284	390,804
Total liabilities and shareholders’ equity		4,529,850	4,381,115
Commercial [Member]
Loans:
Total loans		1,822,829	1,771,666
Residential Real Estate [Member]
Loans:
Total loans		1,227,248	1,122,748
Consumer [Member]
Loans:
Total loans		323,994	339,957
Commercial Mortgages [Member]
Loans:
Total loans		1,072,487	1,074,186
Less allowance for loan losses		11,646	9,971
Commercial Mortgages [Member] | Commercial [Member]
Loans:
Total loans	[2]	1,072,487	1,074,186
Commercial Construction & Development [Member]
Loans:
Total loans		138,008	121,371
Less allowance for loan losses		1,083	1,195
Commercial Construction & Development [Member] | Commercial [Member]
Loans:
Total loans	[3]	138,008	121,371
Commercial & Industrial [Member]
Loans:
Total loans		612,334	576,109
Less allowance for loan losses	[4]	5,580	6,992
Commercial & Industrial [Member] | Commercial [Member]
Loans:
Total loans	[5]	$ 612,334	$ 576,109

[1] Includes net unamortized loan origination costs of $3.8 million and $3.0 million, respectively, and net unamortized premiums on purchased loans of $878 thousand and $783 thousand, respectively, at December 31, 2017 and 2016.

[2] Loans primarily secured by income producing property.

[3] Loans for construction of commercial properties, loans to developers for construction of residential properties and loans for land development.

[4] Commercial & industrial loans.

[5] Loans to businesses and individuals, a substantial portion of which are fully or partially collateralized by real estate.