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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Name:	us-gaap_TreasuryStockValueAcquiredParValueMethod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Stockholders' Equity (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Mar. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Common stock repurchased	$ 1,002
Class A Common Stock \| 2019 Stock Repurchase Program
Class of Stock [Line Items]
Stock repurchase program, authorized amount			$ 25,000
Common stock repurchased (in shares)		32,286
Common stock repurchased		$ 1,000