Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern 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.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Regulatory Capital Requirements (Narrative) (Details) - $ / shares		3 Months Ended		9 Months Ended
	Apr. 16, 2021	Sep. 30, 2021	Mar. 31, 2020	Sep. 30, 2021	Jan. 27, 2021	Dec. 31, 2020
Regulatory Capital Requirements [Abstract]
Stock repurchase, shares	360,737	400,000	145,291	400,000
Stock repurchase program number of shares authorized to be repurchased					400,000
Common stock, Par value		$ 0.01		$ 0.01		$ 0.01
Stock repurchase program per share amount	$ 18.00