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Redeemable Noncontrolling Interest (Tables)
 3 Months Ended
Mar. 31, 2017
Temporary Equity Disclosure [Abstract]  
Redeemable Noncontrolling Interest [Table Text Block]
Reconciliation of changes in redeemable noncontrolling interest —
Three months ended March 31,
 
2017
Balance, December 31
 
$
—

Initial fair value of redeemable noncontrolling interest of acquired business
 
45

Comprehensive income (loss) adjustments:
 

Other comprehensive income (loss) attributable to redeemable noncontrolling interest
 
(1
)
Retained earnings adjustments:
 

Adjustments to redemption value
 
—

Balance, March 31
 
$
44