CONSOLIDATED STATEMENT OF CASH FLOWS $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Cash flows from operating activities:
Net income	$ 13,608,000	$ 5,667,000	$ 1,786,000
(Income) loss from discontinued operations, net of income taxes	(13,356,000)	(3,180,000)	(353,000)
Adjustments:
Provision for transaction losses	422,000	330,000	262,000
Depreciation and amortization	502,000	583,000	600,000
Stock-based compensation	477,000	417,000	415,000
(Gain) loss on investments, net	(143,000)	2,000	0
(Gain) loss on sale of business	0	0	52,000
Deferred income taxes	(680,000)	414,000	7,000
Change in fair value of warrant	(357,000)	(770,000)	(133,000)
(Gain) loss on extinguishment of debt	10,000	0	0
Changes in assets and liabilities, net of acquisition effects
Accounts receivable	195,000	31,000	(93,000)
Other current assets	41,000	(677,000)	91,000
Other non-current assets	188,000	141,000	190,000
Accounts payable	9,000	69,000	(11,000)
Accrued expenses and other liabilities	(535,000)	209,000	(306,000)
Deferred revenue	(17,000)	(20,000)	(1,000)
Income taxes payable and other tax liabilities	(15,000)	27,000	(90,000)
Net cash provided by continuing operating activities	3,093,000	3,004,000	2,416,000
Net cash provided by (used in) discontinued operating activities	(436,000)	(585,000)	698,000
Net cash provided by operating activities	2,657,000	2,419,000	3,114,000
Cash flows from investing activities:
Purchases of property and equipment	(444,000)	(463,000)	(508,000)
Purchases of investments	(22,161,000)	(32,887,000)	(46,966,000)
Maturities and sales of investments	18,884,000	33,129,000	50,548,000
Proceeds from sale of shares in Adevinta	2,325,000	0	0
Settlement of foreign exchange derivative instruments in equity investments	85,000	0	0
Exercise of options under warrant	(110,000)	0	0
Equity investment in Paytm Mall	0	0	(160,000)
Other	4,000	42,000	(14,000)
Net cash provided by (used in) continuing investing activities	(1,417,000)	(179,000)	2,900,000
Net cash provided by (used in) discontinued investing activities	5,080,000	3,973,000	(113,000)
Net cash provided by investing activities	3,663,000	3,794,000	2,787,000
Cash flows from financing activities:
Proceeds from issuance of common stock	93,000	90,000	106,000
Repurchases of common stock	(7,055,000)	(5,137,000)	(4,973,000)
Payments for taxes related to net share settlements of restricted stock units and awards	(236,000)	(175,000)	(202,000)
Payments for dividends	(466,000)	(447,000)	(473,000)
Proceeds from issuance of long-term debt, net	2,478,000	1,765,000	0
Repayment of debt	(1,156,000)	(1,771,000)	(1,550,000)
Net funds receivable and payable activity	(208,000)	0	0
Other	(7,000)	(5,000)	5,000
Net cash (used in) continuing financing activities	(6,557,000)	(5,680,000)	(7,087,000)
Net cash provided by (used in) discontinued financing activities	25,000	(12,000)	(4,000)
Net cash (used in) financing activities	(6,532,000)	(5,692,000)	(7,091,000)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	24,000	77,000	(33,000)
Net increase (decrease) in cash, cash equivalents and restricted cash	(188,000)	598,000	(1,223,000)
Cash, cash equivalents and restricted cash at beginning of period	1,594,000	996,000	2,219,000
Cash, cash equivalents and restricted cash at end of period	1,406,000	1,594,000	996,000
Cash, cash equivalents and restricted cash of continuing operations at end of period	1,406,000	1,238,000	659,000
Cash paid for:
Interest	253,000	271,000	304,000
Income taxes	929,000	493,000	249,000
Discontinued Operations, Disposed of by Sale
Cash flows from financing activities:
Less: Cash, cash equivalents and restricted cash of discontinued operations	0	356,000	337,000
Adevinta
Adjustments:
Change in fair value of equity investment	3,070,000	0	0
Noncash investing activities:
Equity investment	10,776,000
Kakao Bank
Adjustments:
Gain on equity investment in KakaoBank	(486,000)	(239,000)	0
Cash flows from investing activities:
Equity investment in Paytm Mall		(18,000)
Paytm Mall
Adjustments:
Loss on impairment of equity investment in Paytm Mall	160,000	$ 0	$ 0
GMarket
Noncash investing activities:
Equity investment	$ 728,000