Stockholders' Equity - Cash Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands							3 Months Ended	9 Months Ended
Sep. 30, 2021	Aug. 05, 2021	Jun. 30, 2021	May 05, 2021	Mar. 31, 2021	Feb. 23, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Equity [Abstract]
Dividends declared (in USD per share)		$ 0.30		$ 0.30		$ 0.30	$ 0.30	$ 0	$ 0.90	$ 0
Amount Declared		$ 8,912		$ 8,910		$ 8,907	$ 8,912		$ 26,729
Amount Paid	$ 8,821		$ 8,821		$ 8,786				$ 26,428	$ 0

Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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

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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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No definition available.

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- Definition

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585

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