Noncontrolling Interest, Percent Allowed To Be Purchased By Company Annually

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- Definition

Noncontrolling Interest, Percent Of Equity Interest Obligated To Retain

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- Definition

Noncontrolling Interest, Percent Of Equity Interests Available To Put Up Annually

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- Definition

Noncontrolling Interest, Percent Of Ownership Interests Allowed To Be Put Up In One Year

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- Definition

Noncontrolling Interest, Percent Of Total Equity Interests Available To Put Up Annually

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- Definition

Noncontrolling Interest, Period After Which Percent Of Equity Interests Available To Put Up Annually

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- Definition

Noncontrolling Interest, Vesting Period

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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- Definition

Amount of Net Income (Loss) attributable to noncontrolling interest.

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As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (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 (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

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NONCONTROLLING INTERESTS - Text (Details) - USD ($) $ in Thousands				3 Months Ended								12 Months Ended
	Jun. 01, 2006	Feb. 06, 2004	Feb. 05, 2004	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Noncontrolling Interest [Line Items]
Net income attributable to noncontrolling interests				$ 0	$ 0	$ 0	$ 6	$ 97	$ 96	$ 69	$ 100	$ 6	$ 362	$ 3,487
Redeemable noncontrolling interests				0				1,383				0	1,383
Noncontrolling interests				0				0				0	0
Anchor
Noncontrolling Interest [Line Items]
Ownership percentage by noncontrolling owners	20.00%
DGHM
Noncontrolling Interest [Line Items]
Ownership percentage by noncontrolling owners		20.00%
BOS
Noncontrolling Interest [Line Items]
Ownership percentage by noncontrolling owners			30.00%
Anchor
Noncontrolling Interest [Line Items]
Vesting period	5 years
Period after which percent of equity interests available to put up annually	6 months
Percent of equity interest obligated to retain	50.00%
Percent of equity interests available to put annually	10.00%
BOS
Noncontrolling Interest [Line Items]
Vesting period			7 years
Percent of total equity interests available to put up annually			1.00%
Percent of equity interest obligated to retain			50.00%
Percent of equity interests available to put annually			10.00%
DGHM
Noncontrolling Interest [Line Items]
Redeemable noncontrolling interests				$ 0				$ 1,400				$ 0	$ 1,400
Vesting period		5 years
Period after which percent of equity interests available to put up annually		6 months
Percent of ownership interests allowed to be put up in one year		40.00%
BOS
Noncontrolling Interest [Line Items]
Percentage of voting interest acquired			70.00%
DGHM
Noncontrolling Interest [Line Items]
Percentage of voting interest acquired		80.00%
Anchor
Noncontrolling Interest [Line Items]
Percentage of voting interest acquired	80.00%
Minimum \| DGHM
Noncontrolling Interest [Line Items]
Percent of total equity interests available to put up annually		10.00%
Percent allowed to be purchased by company annually		10.00%
Maximum \| DGHM
Noncontrolling Interest [Line Items]
Percent of total equity interests available to put up annually		20.00%
Percent allowed to be purchased by company annually		20.00%