Subsequent Events	12 Months Ended
Dec. 31, 2019
Subsequent Events
Subsequent Events	15. Subsequent Events In February 2020, the Company’s board of directors authorized an increase to the Company’s stock repurchase program to acquire up to $500.0 million of common and preferred stock. The authorization has no stated expiration date. In addition, the board of directors reauthorized the Company’s ATM Agreements, or new similar agreements, allowing the Company to issue common stock up to an aggregate offering amount of $300.0 million. The Company has not yet amended the existing ATM Agreements or entered into new similar agreements providing for such increased capacity, and will do so if and when the Company’s management determines it appropriate. The reauthorization has no stated expiration date.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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