Loans Receivable ALLL - Average Recorded Investment (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Average recorded investment in impaired loans [Abstract]      
Average Recorded Investment $ 1,434,723 $ 1,344,427 $ 1,168,140
Interest Income Recognized 44,681 40,595 46,899
Residential Mortgage and Other Consumer Loan [Member]
     
Average recorded investment in impaired loans [Abstract]      
Average Recorded Investment 1,032,886 936,653 753,682
Interest Income Recognized 38,310 35,467 40,193
Residential Mortgage not Guaranteed by FHA VA [Member]
     
Average recorded investment in impaired loans [Abstract]      
Average Recorded Investment 1,032,886 936,653 753,682
Interest Income Recognized 38,310 35,467 40,193
Commercial Loan [Member]
     
Average recorded investment in impaired loans [Abstract]      
Average Recorded Investment 401,837 407,774 414,458
Interest Income Recognized 6,371 5,128 6,706
Commercial Real Estate [Member]
     
Average recorded investment in impaired loans [Abstract]      
Average Recorded Investment 276,479 257,094 245,084
Interest Income Recognized 5,700 4,110 4,160
Commercial and Industrial Loan [Member]
     
Average recorded investment in impaired loans [Abstract]      
Average Recorded Investment 8,190 12,202 8,562
Interest Income Recognized 244 187 558
Borrowings on Land and Construction [Member]
     
Average recorded investment in impaired loans [Abstract]      
Average Recorded Investment 117,168 138,478 160,812
Interest Income Recognized $ 427 $ 831 $ 1,988