Condensed Consolidated Statements of Cash Flows - USD ($)		3 Months Ended		12 Months Ended
		Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Cash flows from operating activities:
Net income		$ 4,880,000	$ 110,158,000
Income from discontinued operations, net of income tax		0	1,427,000
Gain on sale of discontinued operations		0	121,659,000
Income (loss) from continuing operations		4,880,000	(12,928,000)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation expense		8,301,000	7,996,000
Amortization expense		13,505,000	13,590,000
Amortization of debt issuance costs and original issue discount		525,000	1,079,000
Unrealized loss on interest rate swap		0	1,099,000
Noncontrolling stockholder stock based compensation		2,055,000	1,728,000
Provision for loss on receivables		883,000	791,000
Deferred taxes		(2,692,000)	(2,031,000)
Other		(515,000)	256,000
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable		6,695,000	(801,000)
Inventories		11,773,000	(6,624,000)
Other current and non-current assets		(999,000)	(1,370,000)
Accounts payable and accrued expenses		(10,425,000)	(10,145,000)
Cash provided by (used in) operating activities - continuing operations		33,986,000	(7,360,000)
Cash used in operating activities - discontinued operations		0	(1,576,000)
Cash provided by (used in) operating activities		33,986,000	(8,936,000)
Cash flows from investing activities:
Purchases of property and equipment		(6,603,000)	(5,426,000)
Payment of interest rate swap		0	(94,000)
Proceeds from sale of businesses		0	124,210,000
Other investing activities		(43,000)	1,802,000
Cash (used in) provided by investing activities - continuing operations		(6,646,000)	120,492,000
Cash provided by investing activities - discontinued operations		0	48,452,000
Cash (used in) provided by investing activities		(6,646,000)	168,944,000
Cash flows from financing activities:
Borrowings under credit facility		200,000,000	49,000,000
Repayments under credit facility		0	(193,250,000)
Distributions paid - common shares		(21,564,000)	(21,564,000)
Distributions paid - preferred shares		(5,542,000)	(3,781,000)
Distributions paid - allocation interests		(9,087,000)	0
Net proceeds provided by noncontrolling shareholders		73,000	0
Purchase of noncontrolling interest		(83,000)	(39,000)
Other		588,000	(2,814,000)
Net cash provided (used in) by financing activities		164,385,000	(172,448,000)
Foreign currency impact on cash		(1,026,000)	(1,049,000)
Net increase (decrease) in cash and cash equivalents		190,699,000	(13,489,000)
Cash and cash equivalents — beginning of period (1)	[1]	100,314,000	53,326,000	$ 53,326,000
Cash and cash equivalents — end of period		$ 291,013,000	$ 39,837,000	100,314,000	[1]
Disposal Group, Including Discontinued Operation, Cash				$ 4,600,000

[1] ⁽¹⁾ Includes cash from discontinued operations of $4.6 million at January 1, 2019.