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Parent Only Statements - Statements of Cash Flows (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Cash flows from operating activities: |  |  |
Net income | $ 880,690 | $ 578,276 | $ 487,476
Adjustments to reconcile net income to net cash (used in) provided by operating activities: |  |  |
Reduction of tax indemnification receivable | 9,066 | 11,649 | 92,815
Amortization of unsecured debt upfront fees | 2,976 | 1,117 | 1,128
Gain on sale of Upromise subsidiary, net | 11,331 | 0 | 0
Decrease in tax indemnification receivable | 0 | 0 | 35,989
Increase in other assets | (50,454) | (3,091) | (64,777)
Decrease in income taxes payable, net | (45,611) | (30,191) | (79,693)
Increase (decrease) in other liabilities | 80,785 | 5,386 | 15,204
Total adjustments | (1,063,359) | (593,917) | (590,217)
Total net cash used in operating activities | (182,669) | (15,641) | (102,741)
Cash flows from investing activities: |  |  |
Proceeds from the sale of Upromise subsidiary, net | 16,922 | 0 | 0
Total net cash provided by (used in) investing activities | 947,330 | (2,306,714) | (3,254,863)
Cash flows from financing activities: |  |  |
Unsecured debt issued | 495,000 | 0 | 0
Repurchase of Series B Preferred Stock | (68,055) | 0 | 0
Common stock dividends paid | (46,351) | (51,114) | 0
Common stock repurchased | (558,167) | (167,201) | 0
Net cash (used in) provided by financing activities | (1,875,712) | 5,361,220 | 4,403,324
Cash and cash equivalents at beginning of year | 5,563,877 | 2,559,106 |
Cash and cash equivalents at end of year | 4,455,292 | 5,563,877 | 2,559,106
Parent Company |  |  |
Cash flows from operating activities: |  |  |
Net income | 880,690 | 578,276 | 487,476
Adjustments to reconcile net income to net cash (used in) provided by operating activities: |  |  |
Undistributed earnings of subsidiaries | (939,024) | (611,692) | (532,741)
Dividends received from Sallie Mae Bank | 579,400 | 254,000 | 0
Reduction of tax indemnification receivable | 9,066 | 11,649 | 92,815
Amortization of unsecured debt upfront fees | 1,029 | 811 | 809
Gain on sale of Upromise subsidiary, net | (11,331) | 0 | 0
Decrease in investment in subsidiaries, net | 53,698 | 2,611 | 9,495
Decrease in tax indemnification receivable | 0 | 0 | 35,989
(Increase) decrease in due from subsidiaries, net | (4,813) | 6,254 | (11,277)
Increase in other assets | (10,504) | (12,999) | (18,040)
Decrease in income taxes payable, net | (13,292) | (25,814) | (123,083)
Decrease in payable due to entity that is a subsidiary of Navient | (533) | (416) | (1,089)
Increase (decrease) in other liabilities | 12,874 | (5,796) | 6,807
Total adjustments | (323,430) | (381,392) | (540,315)
Total net cash used in operating activities | 557,260 | 196,884 | (52,839)
Cash flows from investing activities: |  |  |
Proceeds from the sale of Upromise subsidiary, net | 16,922 | 0 | 0
Total net cash provided by (used in) investing activities | 16,922 | 0 | 0
Cash flows from financing activities: |  |  |
Unsecured debt issued | 495,000 | 0 | 0
Issuance costs for unsecured debt offering | (1,309) | 0 | 0
Repurchase of Series B Preferred Stock | (68,055) | 0 | 0
Common stock dividends paid | (46,351) | (51,114) | 0
Preferred stock dividends paid | (9,734) | (16,837) | (15,640)
Common stock repurchased | (558,167) | (167,201) | 0
Net cash (used in) provided by financing activities | (188,616) | (235,152) | (15,640)
Net (decrease) increase in cash and cash equivalents | 385,566 | (38,268) | (68,479)
Cash and cash equivalents at beginning of year | 153,508 | 191,776 | 260,255
Cash and cash equivalents at end of year | $ 539,074 | $ 153,508 | $ 191,776

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