Note 11 - Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

December 31, 2022	Gross
	carrying		Accumulated
	amount		amortization		Net
Indefinite life intangible assets:
Licenses	$	29,200	$	-	$	29,200
Trademarks and trade names		23,285		-		23,285
	$	52,485	$	-	$	52,485
Finite life intangible assets:
Customer lists and relationships	$	695,007	$	187,743	$	507,264
Investment management contracts		589,885		126,904		462,981
Mortgage servicing rights ("MSRs")		170,213		65,771		104,442
Trademarks and trade names		27,702		4,389		23,313
Management contracts and other		15,426		10,635		4,791
Backlog		8,299		3,665		4,634
	$	1,506,532	$	399,107	$	1,107,425
	$	1,559,017	$	399,107	$	1,159,910

	Gross
December 31, 2021	carrying		Accumulated
	amount		amortization		Net
Indefinite life intangible assets:
Licenses	$	29,200	$	-	$	29,200
Trademarks and trade names		23,804		-		23,804
	$	53,004	$	-	$	53,004
Finite life intangible assets:
Customer lists and relationships	$	352,860	$	152,026	$	200,834
Investment management contracts		270,600		85,012		185,588
Mortgage servicing rights ("MSRs")		147,878		41,455		106,423
Trademarks and trade names		12,600		4,861		7,739
Management contracts and other		18,791		12,149		6,642
Backlog		2,400		800		1,600
	$	805,129	$	296,303	$	508,826
	$	858,133	$	296,303	$	561,830

Servicing Asset at Amortized Cost [Table Text Block]

	2022			2021
Balance, January 1	$	106,423		$	101,788
Additions, following the sale of loan		22,335			32,969
Amortization		(14,943	)		(15,682	)
Prepayments and write-offs		(9,373	)		(12,652	)
Balance, December 31	$	104,442		$	106,423

Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]

During the year ended December 31, 2022, the Company acquired the following intangible assets:
			Estimated
			weighted
			average
			amortization
	Amount		period (years)
Finite life intangible assets:
Customer lists and relationships	$	357,282		16.0
Investment management contracts		321,141		10.7
Trademarks and trade names - finite life		18,687		9.1
Customer backlog		17,474		0.6
Other		416		3.0
	$	715,000		13.1
The table above includes $225 related to assets acquired that do not constitute a business under US GAAP.

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

For the year ended December 31,	MSRs		Other Intangibles		Total
2023	$	11,869	$	121,788	$	133,657
2024		10,679		108,021		118,700
2025		9,926		98,994		108,920
2026		9,344		97,231		106,575
2027		8,753		89,198		97,951
Thereafter		53,871		487,751		541,622
	$	104,442	$	1,002,983	$	1,107,425