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Note 13 - Redeemable Non-controlling Interests - Reconciliation of the Beginning and Ending NCI Amounts (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Balance $ 174,662 $ 151,585
RNCI share of earnings 6,354 7,874
RNCI redemption increment 15,977 16,105
Distributions paid to RNCI (5,084) (5,725)
Purchases of interests from RNCI, net (20,231) (30,648)
RNCI recognized on business acquisitions 21,293 35,307
Other 63 164
Balance $ 193,034 $ 174,662