Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
ASSETS
Cash and due from banks	$ 171,221		$ 165,030
Interest-earning deposits with banks	16,949		14,531
Total cash and cash equivalents	188,170		179,561
Securities available for sale at fair value (amortized cost of $2,087,069 and $1,680,491, respectively)	2,098,257		1,664,111
Federal Home Loan Bank stock at cost	33,365		32,529
Loans held for sale	1,116		735
Total loans, net of unearned income of ($59,374) and ($68,282), respectively	5,445,378	[1]	4,517,296	[1]
Loans and Leases Receivable, Allowance	69,569		72,454
Loans, net	5,375,809		4,444,842
FDIC Indemnification Asset	15,174		39,846
Interest receivable	27,802		22,206
Premises and equipment, net	172,090		154,732
Other real estate owned	22,190		35,927
Goodwill	382,537		343,952
Core deposit intangible, net	30,459		25,852
Other assets	231,877		217,289
Total Assets	8,578,846		7,161,582
LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest-bearing	2,651,373		2,171,703
Interest-bearing	4,273,349		3,787,772
Total deposits	6,924,722		5,959,475
Federal Home Loan Bank advances	216,568		36,606
Securities sold under agreements to repurchase	105,080		25,000
Other borrowings	8,248		0
Other liabilities	96,053		87,252
Total liabilities	7,350,671		6,108,333
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	63,033		63,033
Common Stock Shares Issued And Outstanding	57,437		51,265
Common Stock (no par value)	985,839		860,562
Retained earnings	234,498		202,514
Accumulated Other Comprehensive Income (Loss), Net of Tax	5,621		(12,044)
Total shareholders' equity	1,228,175		1,053,249
Total Liabilities and Shareholders' Equity	$ 8,578,846		$ 7,161,582

[1] (1) Reclassified to conform to the current period’s presentation. The reclassification was limited to removing the separate line items for covered loans and including the prior period balances in the line items for loans, net of unearned income and allowance for loan and lease losses.