Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Income (loss) from continuing operations	$ 8,207	$ (108,338)
Net income (loss)	8,207	(108,338)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Stock-based compensation	4,405	10,530
Depreciation and amortization	4,871	5,441
Changes to value of life insurance policies	496	2,328
Deferred income taxes	4,704	(7,374)
Impairments and other charges		122,204
Other non-cash items	(632)	201
Changes in assets and liabilities, net of effect of acquisitions:
Accounts receivable	(3,180)	4,784
Inventories	(400)	(2,285)
Prepaid expenses and other current assets	(1,628)	1,724
Other assets	(850)	4,931
Accounts payable	2,265	132
Accrued expenses	(8,012)	(3,163)
Unearned revenues	407	(2,171)
Other liabilities	(2,666)	(6,919)
Net cash provided by operating activities	7,987	22,025
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(2,772)	(3,340)
Patents and other intangibles	(78)	(77)
Proceeds from sale of assets	218
Premiums on life insurance policies	1,562	(467)
Net cash used in investing activities	(1,070)	(3,884)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of long-term debt	(119,000)	(20,000)
Proceeds from long-term debt	68,000	17,000
Proceeds from issuance of common stock	59,139
Dividends paid	(446)	(11,111)
Repurchase of common shares	(171)	(1,238)
Other financing activities	(439)	6
Net cash provided by (used in) financing activities	7,083	(15,343)
NET CHANGE IN CASH AND CASH EQUIVALENTS	14,000	2,798
CASH AND CASH EQUIVALENTS, beginning of period	13,806	11,092
CASH AND CASH EQUIVALENTS, end of period	27,806	13,890
Supplemental disclosures of cash flow information:
Cash payments for interest	3,739	4,523
Cash payments for income taxes	$ 1,429	$ 3,117