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Note 11 - Redeemable Non-controlling Interests (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Redeemable Noncontrolling Interest [Table Text Block] |
|  |  |  |  | 2017 |
|  | 2018 |  |  | (note 23) |
Balance, January 1 |  | $ | 145,489 |  |  | $ | 134,803 |
RNCI share of earnings |  |  | 20,491 |  |  |  | 16,687 |
RNCI redemption increment |  |  | 7,709 |  |  |  | 22,393 |
Distributions paid to RNCI |  |  | (16,396 | ) |  |  | (12,870 | )
Purchases of interests from RNCI, net |  |  | 1,111 |  |  |  | (31,782 | )
RNCI recognized on business acquisitions |  |  | 184,957 |  |  |  | 16,258 |
Balance, December 31 |  | $ | 343,361 |  |  | $ | 145,489 |

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- Definition Tabular disclosure of redeemable noncontrolling interest (as defined) included in the statement of financial position as either a liability or temporary equity. As of the date of the statement of financial position, such redeemable noncontrolling interest is currently redeemable, as defined, for cash or other assets of the entity at (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the entity. + References No definition available. + Details
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Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration