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Fair Value Measurements (Tables)
 12 Months Ended
Dec. 31, 2018
Fair Value Disclosures [Abstract]  
Fair Value Measurements, Nonrecurring
The following table summarizes the Company's assets measured at fair value on a non-recurring basis relating to the building impairment charge recognized during the second quarter of 2017, as more fully described in Note 1.
 
Level 1
Level 2
Level 3
Impairment Losses
Fair Value at December 31, 2017
Building
$
—

$
—

$
7,965

$
(2,965
)
$
5,000

 
$
—

$
—

$
7,965

$
(2,965
)
$
5,000

The following table summarizes the Company's assets measured at fair value on a non-recurring basis relating to an intangible assets impairment charge recognized during 2016 primarily related to the customer lists, developed technology and trademarks acquired in the 2014 acquisition of PECO and FGC in the APC technology segment, as more fully described in Note 1.
 
Level 1
Level 2
Level 3
Impairment Losses
Fair Value at December 31, 2016
Other intangible assets, net
$
—

$
—

$
5,525

$
(2,074
)
$
3,451

 
$
—

$
—

$
5,525

$
(2,074
)
$
3,451