Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

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

Dividends on Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended
	Sep. 22, 2020	Jun. 23, 2020	Mar. 24, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2017
Equity [Abstract]
Dividends declared on common stock (in dollars per share)	$ 0.11	$ 0.11	$ 0.11
Common stock dividends	$ 1,867	$ 1,866	$ 1,867	$ 1,867	$ 1,866	$ 1,867	$ 1,868	$ 1,865	$ 1,865	$ 1,869
Authorized repurchase amount, common stock											$ 3,000