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Condensed Financial Information of Registrant - CONDENSED STATEMENTS OF CASH FLOWS (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Cash flows from operating activities: |  |  |
Net income (loss) | $ (340,820) | $ (632,193) | $ (424,150)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |  |
Other, net | 150,057 | 25,997 | 1,530
Net cash provided by (used in) operating activities | 1,649,723 | 1,366,749 | 1,873,117
Cash flows from investing activities: |  |  |
Acquisition of businesses | (163,503) | (224,617) | (108,716)
Other investing, net | (3,991) | (45,850) | (4,975)
Net cash provided by (used in) investing activities | (1,695,745) | (1,137,477) | (978,177)
Cash flows from financing activities: |  |  |
Proceeds from issuance of common stock, net of expenses | 0 | 447,811 | 0
Proceeds from long-term borrowings | 1,195,729 | 2,640,000 | 3,403,022
Dividends on common stock | (116,348) | (109,328) | (564,767)
Repurchases of common stock | 0 | (4) | (149,868)
Other financing, net | (65,521) | (40,221) | (3,014)
Net cash provided by (used in) financing activities | (128,448) | (70,261) | (1,214,204)
Cash and cash equivalents and restricted cash and restricted cash equivalents: |  |  |
Beginning balance | 204,998 | 48,736 |
Ending balance | 24,453 | 204,998 | 48,736
Supplementary cash flow information: |  |  |
Issuance of shares in lieu of cash dividends | 4 | 15 | 67,767
Issuance of shares for acquisition of business | 528,503 | 113,841 | 0
Parent Company |  |  |
Cash flows from operating activities: |  |  |
Net income (loss) | (340,820) | (632,193) | (424,150)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |  |
Equity in net loss of subsidiaries | 333,404 | 618,512 | 423,332
Other, net | 24,391 | 30,687 | 39,910
Net cash provided by (used in) operating activities | 16,975 | 17,006 | 39,092
Cash flows from investing activities: |  |  |
Contributions to subsidiaries | (40,000) | (275,000) | 0
Distributions from subsidiaries | 8,700 | 260,852 | 167,203
Acquisition of businesses | 0 | (201,453) | 0
Other investing, net | 0 | 750 | (750)
Net cash provided by (used in) investing activities | (31,300) | (214,851) | 166,453
Cash flows from financing activities: |  |  |
Proceeds from issuance of common stock, net of expenses | 0 | 447,811 | 0
Proceeds from long-term borrowings | 0 | 0 | 509,460
Dividends on common stock | (116,348) | (109,328) | (564,767)
Repurchases of common stock | 0 | (4) | (149,868)
Other financing, net | (6,472) | (1,896) | (24)
Net cash provided by (used in) financing activities | (122,820) | 336,583 | (205,199)
Cash and cash equivalents and restricted cash and restricted cash equivalents: |  |  |
Net increase (decrease) during the period | (137,145) | 138,738 | 346
Beginning balance | 139,092 | 354 | 8
Ending balance | 1,947 | 139,092 | 354
Supplementary cash flow information: |  |  |
Issuance of shares in lieu of cash dividends | 4 | 15 | 67,767
Issuance of shares for acquisition of business | $ 528,503 | $ 113,841 | $ 0

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- Definition The cash inflow associated with security instrument that either represents a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes proceeds from (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585 + Details
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