Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Assets [Abstract]
Cash and due from banks	$ 37,782	$ 42,989
Interest-Earning Deposits In Other Banks	45,661	191,082
Investment securities available for sale, at fair value	242,576	341,539
Investment securities held to maturity, at amortized cost	223,503	114,805
Federal Home Loan Bank Stock, at cost	9,780	7,604
Loans Held for Sale	39,954	57,414
Loans [Abstract]
Covered Under Loss-Share Agreements	219,282	248,930
Not Covered Under Loss-Share Agreements	1,829,659	1,786,328
Less Allowance for Loan Losses	(32,859)	(40,292)
Net Loans	2,016,082	1,994,966
Accrued Interest Receivable	11,675	11,363
Premises and Equipment, Net	69,522	66,615
Other Real Estate Owned [Abstract]
Covered Under Loss-Share Agreements	17,668	23,102
Not Covered Under Loss-Share Agreements	29,143	28,811
FDIC Indemnification Asset	38,166	53,519
Investment in Bank-Owned Life Insurance	71,956	70,756
Goodwill and Other Intangible Assets	31,671	32,193
Other Assets	44,497	47,030
Total Assets	2,929,636	3,083,788
Deposits [Abstract]
Non-Interest Bearing Demand	275,984	275,605
Interest-Bearing Demand	1,152,779	1,221,089
Time Deposits	999,552	1,159,615
Total Deposits	2,428,315	2,656,309
Short-Term Borrowings	112,105	32,382
Long-term Debt	115,592	88,173
Accrued Expenses And Other Liabilities	19,179	24,680
Total Liabilities	2,675,191	2,801,544
Preferred stock, no par value, authorized 20,000,000 shares
Series A, Fixed Rate Cumulative Perpetual Preferred Stock, $1,000 liquidation value, 31,260 shares issued and outstanding, net of discount	0	30,717
Series B, Mandatorily Convertible Nonvoting Preferred Stock, $10 stated value, 1,804,566 shares issued and outstanding	0	17,161
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Common Stock, no par value	158,075	157,541
Common Stock, Non-voting, no par value	57,849	40,688
Retained Earnings	35,948	30,708
Stock in Directors Rabbi Trust	(3,019)	(3,090)
Directors' Deferred Fee Plan	3,019	3,090
Accumulated Other Comprehensive Income	2,573	5,429
Total Shareholders' Equity	254,445	282,244
Total Liabilities and Shareholders' Equity	$ 2,929,636	$ 3,083,788