Note 8 - Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

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

December 31, 2017		Gross carrying amount		Accumulated amortization		Net
Customer lists and relationships	$	219,986	$	74,897	$	145,089
Franchise rights		5,703		4,156		1,547
Trademarks and trade names:
Indefinite life		24,121		-		24,121
Finite life		2,776		1,865		911
Management contracts and other		17,733		6,572		11,161
Brokerage backlog		310		103		207
	$	270,629	$	87,593	$	183,036

December 31, 2016		Gross carrying amount		Accumulated amortization		Net
Customer lists and relationships	$	168,998	$	64,397	$	104,601
Franchise rights		5,301		3,478		1,823
Trademarks and trade names:
Indefinite life		23,604		-		23,604
Finite life		2,993		1,484		1,509
Management contracts and other		13,586		5,566		8,020
	$	214,482	$	74,925	$	139,557

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

		Amount	Estimated weighted average amortization period (years)
Customer lists and relationships	$	53,528	10.0
Trademarks and trade names - finite life		460	2.0
Brokerage backlog		2,708	0.3
Other		4,532	7.6
	$	61,228	9.3

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

2018	$	24,451
2019		22,369
2020		20,842
2021		18,980
2022		18,288