Segment Financials (Schedule Of Segment Financials) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Interest income	$ 52,478			$ 48,375			$ 155,843	$ 136,033
Interest expense	2,482			10,815			12,690	29,924
Net interest income	49,996			37,560			143,153	106,109
Provision for credit losses	1,297			650			5,798	2,950
Non-interest income	24,352			33,515			61,317	83,629
Non-interest expense	42,026			42,051			123,064	120,799
Income before income tax	31,025			28,374			75,608	65,989
Income tax expense	7,894			7,975			19,033	17,585
Net income from continuing operations	23,131			20,399			56,575	48,404
Income (Loss) from discontinued operations	123			26			(662)	1,301
Net income	23,254	$ 20,068	$ 12,591	20,425	$ 11,350	$ 17,930	55,913	49,705
Total assets	6,169,302						6,169,302		$ 5,656,963
Total liabilities	5,610,843						5,610,843		5,172,466
Specialty Finance [Member]
Segment Reporting Information [Line Items]
Interest income	44,408			35,210			125,254	95,573
Interest expense	232			353			791	1,087
Net interest income	44,176			34,857			124,463	94,486
Provision for credit losses	1,297			650			5,798	2,950
Non-interest income	2,395			14,719			(1,622)	27,794
Non-interest expense	17,236			15,791			51,742	47,196
Income before income tax	28,038			33,135			65,301	72,134
Net income from continuing operations	28,038			33,135			65,301	72,134
Net income	28,038			33,135			65,301	72,134
Total assets	4,378,815						4,378,815		3,008,304
Total liabilities	286,610						286,610		247,485
Payments [Member]
Segment Reporting Information [Line Items]
Interest allocation	8,070			13,165			30,589	40,460
Interest expense	1,234			7,236			7,381	23,947
Net interest income	6,836			5,929			23,208	16,513
Non-interest income	21,933			18,767			62,770	55,733
Non-interest expense	16,939			16,289			51,345	50,211
Income before income tax	11,830			8,407			34,633	22,035
Net income from continuing operations	11,830			8,407			34,633	22,035
Net income	11,830			8,407			34,633	22,035
Total assets	37,547						37,547		57,746
Total liabilities	4,752,944						4,752,944		4,030,921
Corporate [Member]
Segment Reporting Information [Line Items]
Interest income	8,070			13,165			30,589	40,460
Interest allocation	(8,070)			(13,165)			(30,589)	(40,460)
Interest expense	1,016			3,226			4,518	4,890
Net interest income	(1,016)			(3,226)			(4,518)	(4,890)
Non-interest income	24			29			169	102
Non-interest expense	7,851			9,971			19,977	23,392
Income before income tax	(8,843)			(13,168)			(24,326)	(28,180)
Income tax expense	7,894			7,975			19,033	17,585
Net income from continuing operations	(16,737)			(21,143)			(43,359)	(45,765)
Net income	(16,737)			(21,143)			(43,359)	(45,765)
Total assets	1,630,687						1,630,687		2,450,256
Total liabilities	571,289						571,289		894,060
Discontinued Operations [Member]
Segment Reporting Information [Line Items]
Income (Loss) from discontinued operations	123			26			(662)	1,301
Net income	123			$ 26			(662)	$ 1,301
Total assets	$ 122,253						$ 122,253		$ 140,657