Fair Value of Financial Instruments (Assets Measured At Fair Value On A Recurring And Nonrecurring Basis) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Assets measured at fair value on a recurring basis [Abstract]
Fair value	$ 1,320,692	$ 1,236,324
Assets held for sale from discontinued operations	140,657	197,831	$ 304,300
Fair Value, Measurements, Recurring [Member]
Assets measured at fair value on a recurring basis [Abstract]
U.S. Government agency securities	52,910	53,362
Asset-backed securities	244,349	188,602
Obligation of states and political subdivisions	65,568	67,986
Residential mortgage-backed securities	336,596	369,741
Collateralized mortgage obligation securities	222,727	262,207
Commercial mortgage-backed securities	398,542	294,426
Fair value	1,320,692	1,236,324
Commercial loans held for sale	1,180,546	688,471
Investment in unconsolidated entity	39,154	59,273
Assets held for sale from discontinued operations	140,657	197,831
Interest rate swaps, asset		1,681
Interest rate swaps, liability	232
Total assets	2,680,817	2,183,580
Fair Value, Measurements, Nonrecurring [Member]
Assets measured on a nonrecurring basis [Abstract]
Impaired loans	3,651	3,747
Intangible assets	2,315	3,846
Assets nonrecurring	5,966	7,593
Significant Other Observable Inputs (Level 2) [Member]
Assets measured at fair value on a recurring basis [Abstract]
Fair value	1,203,359	1,211,934
Interest rate swaps, asset	232	1,681
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member]
Assets measured at fair value on a recurring basis [Abstract]
U.S. Government agency securities	52,910	53,362
Asset-backed securities	244,349	188,602
Obligation of states and political subdivisions	65,568	67,986
Residential mortgage-backed securities	336,596	369,741
Collateralized mortgage obligation securities	222,727	262,207
Commercial mortgage-backed securities	281,209	270,036
Fair value	1,203,359	1,211,934
Interest rate swaps, asset		1,681
Interest rate swaps, liability	232
Total assets	1,203,127	1,213,615
Significant Unobservable Inputs (Level 3) [Member]
Assets measured at fair value on a recurring basis [Abstract]
Fair value	117,333	24,390
Commercial loans held for sale	1,180,546	688,471
Investment in unconsolidated entity	39,154	59,273
Assets held for sale from discontinued operations	140,657	197,831
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member]
Assets measured at fair value on a recurring basis [Abstract]
Commercial mortgage-backed securities	117,333	24,390
Fair value	117,333	24,390
Commercial loans held for sale	1,180,546	688,471
Investment in unconsolidated entity	39,154	59,273
Assets held for sale from discontinued operations	140,657	197,831
Total assets	1,477,690	969,965
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets measured on a nonrecurring basis [Abstract]
Impaired loans	3,651	3,747
Intangible assets	2,315	3,846
Assets nonrecurring	$ 5,966	$ 7,593