XML 58 R43.htm IDEA: XBRL DOCUMENT v3.10.0.1

Note 13 - Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Share-based Compensation, Stock Options, Activity [Table Text Block]

		Number of options				Weighted average exercise price				Weighted average remaining contractual life (years)				Aggregate intrinsic value
Shares issuable under options - December 31, 2016			1,602,850			$	30.31
Granted			450,000				46.21
Exercised			(285,700	)			19.74
Forfeited			(13,875	)			40.10
Shares issuable under options - December 31, 2017			1,753,275			$	36.03
Granted			470,000				67.32
Exercised			(278,975	)			26.60
Forfeited			(46,875	)			39.66
Shares issuable under options - December 31, 2018			1,897,425			$	45.08				2.5			$	24,676
Options exercisable - End of year			746,125			$	35.60				1.6			$	14,495

Stock Options Exercised [Table Text Block]

		2018				2017
Number of options exercised			278,975				285,700
Aggregate fair value		$	17,823			$	14,213
Intrinsic value			10,403				8,572
Amount of cash received			7,420				5,641
Tax benefit recognized		$	73			$	102

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		2018				2017
Risk free rate			2.2	%			1.5	%
Expected life in years			4.75				4.75
Expected volatility			29.7	%			28.9	%
Dividend yield			0.1	%			0.2	%
Weighted average fair value per option granted		$	19.41			$	12.36

X

- Definition

Represents the tabular disclosure of the schedule of stock options exercised.

+ References

No definition available.

+ Details

Name:	cigi_StockOptionsExercisedTableTextBlock
Namespace Prefix:	cigi_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration