Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Name:	us-gaap_TreasuryStockValueAcquiredCostMethod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Stockholders' Equity - Stock Repurchase Program (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Sep. 30, 2019	Oct. 14, 2019	Oct. 08, 2019
Subsidiary, Sale of Stock [Line Items]
Stock issued period value	$ 29,203,000	$ 104,849,000
Common Class A
Subsidiary, Sale of Stock [Line Items]
Amount authorized to be repurchased			$ 300,000,000	$ 150,000,000
Stock repurchase program, period increase			$ 150,000,000