| USD ($) $ in Thousands | LTM | Dec 31, 2025 | Dec 31, 2024 | Dec 31, 2023 | Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 | Dec 31, 2018 | Dec 31, 2017 | Dec 31, 2016 | Dec 31, 2015 | Dec 31, 2014 | Dec 31, 2013 | Dec 31, 2012 | Dec 31, 2011 | Dec 31, 2010 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
OPERATING ACTIVITIES: | |||||||||||||||||
Statement of Cash Flows [Abstract] | |||||||||||||||||
Net income | $ 7,209,000 | $ 5,404,000 | $ 5,882,000 | $ 4,289,000 | |||||||||||||
Adjustments to reconcile net income to net cash provided by operating activities: | |||||||||||||||||
Depreciation and amortization | 571,000 | 623,000 | 591,000 | 504,000 | |||||||||||||
Provision for expected credit losses and chargebacks | 427,000 | 416,000 | 412,000 | 330,000 | |||||||||||||
Depreciation | - | - | - | - | |||||||||||||
Amortization | - | - | - | - | |||||||||||||
Provision for uncollectible accounts | - | - | - | - | |||||||||||||
Deferred income taxes | (42,000) | (516,000) | 98,000 | (478,000) | |||||||||||||
Net (gains) losses on equity securities | (46,000) | (46,000) | (63,000) | 131,000 | |||||||||||||
Net unrealized (gains) losses on marketable equity securities | - | - | - | - | |||||||||||||
Stock-based compensation expense | 617,000 | 617,000 | 599,000 | 530,000 | |||||||||||||
Operating lease amortization | 144,000 | 145,000 | 160,000 | 161,000 | |||||||||||||
Amortization of debt discount and debt issuance costs | - | - | - | - | |||||||||||||
Unrealized foreign currency transaction losses (gains) related to Euro-denominated debt | (498,000) | 1,428,000 | (526,000) | 163,000 | |||||||||||||
Impairment | 457,000 | 457,000 | - | - | |||||||||||||
Amortization of debt discount and change in fair value of the conversion option related to the convertible senior notes | - | 360,000 | - | - | |||||||||||||
Loss related to the conversion option on convertible senior notes | - | - | 796,000 | - | |||||||||||||
Impairment of goodwill | - | - | - | - | |||||||||||||
Impairment of investment | - | - | - | - | |||||||||||||
Reversal of valuation allowances on deferred tax assets | - | - | - | - | |||||||||||||
Deferred income tax expense (benefit) | - | - | - | - | |||||||||||||
Amortization of debt issuance costs | - | - | - | - | |||||||||||||
Amortization of debt discount | - | - | - | - | |||||||||||||
Loss on early extinguishment of debt | - | - | - | (0) | |||||||||||||
Gain on sale and leaseback transaction | - | - | (0) | (0) | |||||||||||||
Other | 61,000 | (14,000) | 7,000 | 5,000 | |||||||||||||
Impairment of cost-method investments | - | - | - | - | |||||||||||||
Excess tax benefits on stock-based awards and other equity deductions | - | - | - | - | |||||||||||||
Contingent consideration fair value adjustment | - | - | - | - | |||||||||||||
Equity in income of investees | - | - | - | - | |||||||||||||
Changes in assets and liabilities: | |||||||||||||||||
Accounts receivable | (447,000) | (730,000) | (506,000) | (1,330,000) | |||||||||||||
Prepaid expenses and other current assets | 100,000 | 100,000 | (12,000) | 155,000 | |||||||||||||
Deferred merchant bookings and other current liabilities | 1,207,000 | 796,000 | 1,361,000 | 2,742,000 | |||||||||||||
Long-term U.S. transition tax liability | - | - | - | - | |||||||||||||
Other | (20,000) | 369,000 | (476,000) | 142,000 | |||||||||||||
Net cash provided by operating activities | 9,859,000 | 9,409,000 | 8,323,000 | 7,344,000 | |||||||||||||
INVESTING ACTIVITIES: | |||||||||||||||||
Purchase of investments | (0) | (0) | (33,000) | (12,000) | |||||||||||||
Proceeds from sale and maturity of investments | - | 0 | 590,000 | 1,840,000 | |||||||||||||
Proceeds from sale of investments | - | - | - | - | |||||||||||||
Additions to property and equipment | (320,000) | (322,000) | (429,000) | (345,000) | |||||||||||||
Acquisitions, net of cash acquired | - | - | - | (0) | |||||||||||||
Proceeds from sale and leaseback transaction | - | - | 0 | 0 | |||||||||||||
Other investing activities | (10,000) | 9,000 | 1,000 | 3,000 | |||||||||||||
Acquisitions and other investments, net of cash acquired | - | - | - | - | |||||||||||||
Acquisition of land-use rights | - | - | - | - | |||||||||||||
Acquisition of land use rights | - | - | - | - | |||||||||||||
Proceeds from redemption of equity investment in pricelinemortgage.com | - | - | - | - | |||||||||||||
Proceeds from foreign currency contracts | - | - | - | - | |||||||||||||
Payments on foreign currency contracts | - | - | - | - | |||||||||||||
Net cash (used in) provided by investing activities | (330,000) | (313,000) | 129,000 | 1,486,000 | |||||||||||||
Change in restricted cash | - | - | - | - | |||||||||||||
FINANCING ACTIVITIES: | |||||||||||||||||
Proceeds from revolving credit facility and short-term borrowings | - | - | - | - | |||||||||||||
Repayments of revolving credit facility and short-term borrowings | - | - | - | - | |||||||||||||
Proceeds from revolving credit facility | - | - | - | - | |||||||||||||
Payments related to revolving credit facility | - | - | - | - | |||||||||||||
Proceeds from the issuance of long-term debt | 4,701,000 | 3,681,000 | 4,836,000 | 1,893,000 | |||||||||||||
Payments on maturity, redemption, and conversion of debt | (2,519,000) | (4,970,000) | (1,312,000) | (500,000) | |||||||||||||
Payments for conversion of debt | - | - | - | - | |||||||||||||
Payment of debt issuance costs - revolving credit facility | - | - | - | - | |||||||||||||
Payments for conversion of senior notes | - | - | - | - | |||||||||||||
Repayment of debt | - | - | - | - | |||||||||||||
Payment of debt issuance costs | - | - | - | - | |||||||||||||
Payments related to conversion of senior notes | - | - | - | - | |||||||||||||
Payments for repurchase of common stock | (10,530,000) | (6,440,000) | (6,509,000) | (10,377,000) | |||||||||||||
Dividends paid | (1,281,000) | (1,248,000) | (1,174,000) | - | |||||||||||||
Payments to purchase subsidiary shares from noncontrolling interests | - | - | - | - | |||||||||||||
Payments of stock issuance costs | - | - | - | - | |||||||||||||
Proceeds from the sale of subsidiary shares to noncontrolling interests | - | - | - | - | |||||||||||||
Proceeds from exercise of stock options | 15,000 | 15,000 | 14,000 | 134,000 | |||||||||||||
Other financing activities | 243,000 | 47,000 | (59,000) | (59,000) | |||||||||||||
Net cash used in financing activities | (9,371,000) | (8,915,000) | (4,204,000) | (8,909,000) | |||||||||||||
Proceeds from the termination of conversion spread hedges | - | - | - | - | |||||||||||||
Excess tax benefits on stock-based awards and other equity deductions | - | - | - | - | |||||||||||||
Net cash used in financing activities | - | - | - | - | |||||||||||||
Effect of exchange rate changes on cash and cash equivalents and restricted cash and cash equivalents | (287,000) | 895,000 | (190,000) | (37,000) | |||||||||||||
Net increase (decrease) in cash and cash equivalents and restricted cash and cash equivalents | (129,000) | 1,076,000 | 4,058,000 | (116,000) | |||||||||||||
Effect of exchange rate changes on cash, cash equivalents and restricted cash | - | - | - | - | |||||||||||||
Net increase (decrease) in cash, cash equivalents and restricted cash | - | - | - | - | |||||||||||||
Effect of exchange rate changes on cash and cash equivalents | - | - | - | - | |||||||||||||
Net (decrease) increase in cash and cash equivalents | - | - | - | - | |||||||||||||
SUPPLEMENTAL CASH FLOW INFORMATION: | |||||||||||||||||
Cash paid during the period for income taxes | - | - | - | 1,789,000 | |||||||||||||
Cash paid during the period for interest | - | - | - | 842,000 | |||||||||||||
Non-cash fair value adjustments for redeemable noncontrolling interests | - | - | - | - | |||||||||||||
Non-cash investing activity for contingent consideration | - | - | - | - | |||||||||||||
Non-cash fair value increase for redeemable noncontrolling interests | - | - | - | - | |||||||||||||
Non-cash financing activity | - | - | - | - | |||||||||||||
Non-cash operating and financing activity for an acquisition (see Note 19) | - | - | - | - | |||||||||||||
Non-cash investing and financing activity for an acquisition (see Note 19) | - | - | - | - |