Shareholders' Equity and Earnings Per Common Share, Shareholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 17, 2019
Share Repurchase Plan [Abstract]
Stock repurchased (in shares)	0	25,000	678,929	1,204,688
Stock repurchased	$ 0	$ 502	$ 13,784	$ 26,284
Common Stock [Member]
Share Repurchase Plan [Abstract]
Number of shares authorized for repurchase (in shares)					1,120,000
Stock repurchased (in shares)			678,929	1,204,688
Stock repurchased	$ 0	$ 502	$ 13,784	$ 26,284

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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