Consolidated Balance Sheets - USD ($) shares in Thousands, $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
ASSETS
Cash and due from banks	$ 193,038	$ 166,929
Interest-earning deposits with banks	31,200	8,373
Total cash and cash equivalents	224,238	175,302
Securities available for sale at fair value (amortized cost of $2,299,037 and $2,157,610, respectively)	2,278,577	2,157,694
Federal Home Loan Bank stock at cost	10,240	12,722
Loans held for sale	5,846	4,509
Loans, net of unearned income of ($33,718) and ($42,373), respectively	6,213,423	5,815,027
Loans and Leases Receivable, Allowance	70,043	68,172
Loans, net	6,143,380	5,746,855
FDIC Indemnification Asset	3,535	6,568
Interest receivable	30,074	27,877
Premises and equipment, net	150,342	164,239
Other real estate owned	5,998	13,738
Goodwill	382,762	382,762
Core deposit intangible, net	17,631	23,577
Other assets	256,984	235,854
Total Assets	9,509,607	8,951,697
LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest-bearing	3,944,495	3,507,358
Interest-bearing	4,114,920	3,931,471
Total deposits	8,059,415	7,438,829
Federal Home Loan Bank advances	6,493	68,531
Securities sold under agreements to repurchase	80,822	99,699
Other liabilities	111,865	102,510
Total liabilities	8,258,595	7,709,569
Commitments and contingent liabilities
Preferred Stock, Shares Authorized	2,000	2,000
Preferred Stock, Shares Issued	9	9
Preferred Stock, Value, Issued	$ 2,217	$ 2,217
Shareholders' equity:
Authorized shares	115,000	115,000
Common Stock Shares Issued And Outstanding	58,042	57,724
Common Stock (no par value)	$ 995,837	$ 990,281
Retained earnings	271,957	255,925
Accumulated Other Comprehensive Income (Loss), Net of Tax	(18,999)	(6,295)
Total shareholders' equity	1,251,012	1,242,128
Total Liabilities and Shareholders' Equity	$ 9,509,607	$ 8,951,697