Fair Value Measurements (Assets Measured At Fair Value On A Recurring And Nonrecurring Basis) (Details) - USD ($) $ in Thousands		Mar. 31, 2020	Dec. 31, 2019
Assets measured at fair value on a recurring basis [Abstract]
Fair value		$ 1,353,278	$ 1,320,692
Assets measured on a nonrecurring basis [Abstract]
Collateral dependent loans		22,000
Fair Value, Measurements, Recurring [Member]
Assets measured at fair value on a recurring basis [Abstract]
U.S. Government agency securities		50,387	52,910
Asset-backed securities		229,252	244,349
Obligation of states and political subdivisions		64,417	65,568
Residential mortgage-backed securities		326,322	336,596
Collateralized mortgage obligation securities		210,153	222,727
Commercial mortgage-backed securities		391,995	398,542
Corporate debt securities		80,752
Fair value		1,353,278	1,320,692
Commercial loans held-for-sale		1,716,450	1,180,546
Investment in unconsolidated entity		34,273	39,154
Assets held for sale from discontinued operations		134,118	140,657
Interest rate swaps, liability		2,390	232
Total assets		3,235,729	2,680,817
Fair Value, Measurements, Nonrecurring [Member]
Assets measured on a nonrecurring basis [Abstract]
Collateral dependent loans	[1]	18,994	3,651
Intangible assets		2,857	2,315
Assets nonrecurring		21,851	5,966
Significant Other Observable Inputs (Level 2) [Member]
Assets measured at fair value on a recurring basis [Abstract]
Fair value		1,160,327	1,203,359
Interest rate swaps, asset			232
Interest rate swaps, liability		2,390
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		50,387	52,910
Asset-backed securities		229,252	244,349
Obligation of states and political subdivisions		64,417	65,568
Residential mortgage-backed securities		326,322	336,596
Collateralized mortgage obligation securities		210,153	222,727
Commercial mortgage-backed securities		279,796	281,209
Fair value		1,160,327	1,203,359
Interest rate swaps, liability		2,390	232
Total assets		1,157,937	1,203,127
Significant Unobservable Inputs (Level 3) [Member]
Assets measured at fair value on a recurring basis [Abstract]
Corporate debt securities	[2]	75,600
Fair value		192,951	117,333
Commercial loans held-for-sale		1,716,450	1,180,546
Investment in unconsolidated entity		34,273	39,154
Assets held for sale from discontinued operations	[3]	134,118	140,657
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		112,199	117,333
Corporate debt securities		80,752
Fair value		192,951	117,333
Commercial loans held-for-sale		1,716,450	1,180,546
Investment in unconsolidated entity		34,273	39,154
Assets held for sale from discontinued operations		134,118	140,657
Total assets		2,077,792	1,477,690
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets measured on a nonrecurring basis [Abstract]
Collateral dependent loans	[1]	18,994	3,651
Intangible assets		2,857	2,315
Assets nonrecurring		$ 21,851	$ 5,966

[1] The method of valuation approach for the collateral dependent loans was the market value approach based upon appraisals of the underlying collateral by external appraisers, reduced by 7% to 10% for estimated selling costs. Intangible assets are valued based upon internal analyses.

[2] Corporate debt securities consist of three AAA rated privately placed debt structures backed by investment grade corporate debt each with over 50% credit enhancement. Each of these securities has a coupon of 3 Month LIBOR + 3.00%. Price indications are obtained from a broker/dealer with significant experience in trading and evaluating these securities. Changes in either investor yield requirements for relatively illiquid securities, or credit risk could affect the price indications.

[3] Assets held-for-sale from discontinued operations are valued by an independent valuation consultant using loan performance, other credit characteristics and market interest rate comparisons. Changes in those factors could change the valuation