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Shareholders' equity | 6 Months Ended
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Jun. 30, 2021
Stockholders' Equity Note [Abstract] |
Shareholders' equity | In October 2018, our board of directors authorized the repurchase of up to $500,000 of our common stock. This authorization has no expiration date. No shares were repurchased during the first six months of 2021 and $287,452 remained available for repurchase under the authorization as of June 30, 2021. During the quarter ended June 30, 2021, we issued 294 thousand shares to employees of First American in conjunction with the acquisition (Note 6), resulting in cash proceeds of $13,000 during the quarter.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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