Impairment Charges (Tables)

12 Months Ended

Dec. 31, 2019

Asset Impairment Charges [Abstract]

Asset Impairment Charges

The following summarizes pre-tax impairment charges recorded during 2018, which are included in Impairment expense in our consolidated statements of operations (in thousands): 

	Canada		Australia		U.S.		Total
Quarter ended March 31, 2018
Long-lived assets	$	28,661	$	—	$	—	$	28,661
Total	$	28,661	$	—	$	—	$	28,661

The following summarizes pre-tax impairment charges recorded during 2019, which are included in Impairment expense in our consolidated statements of operations (in thousands): 

	Canada		Australia		U.S.		Total
Quarter ended June 30, 2019
Long-lived assets	$	—	$	5,546	$	—	$	5,546
Quarter ended December 31, 2019
Long-lived assets	702		—		—		702
Goodwill	19,900		—		—		19,900
Total	$	20,602	$	5,546	$	—	$	26,148

The following summarizes pre-tax impairment charges recorded during 2017, which are included in Impairment expense in our consolidated statements of operations (in thousands): 

	Canada		Australia		U.S.		Total
Quarter ended September 30, 2017
Long-lived assets	$	4,360	$	—	$	—	$	4,360
Quarter ended December 31, 2017
Long-lived assets	27,244		—		—		27,244
Total	$	31,604	$	—	$	—	$	31,604