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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Period Type:	duration

Summary of Significant Accounting Policies, Subsequent Events (Details) - USD ($) $ in Thousands	1 Months Ended
	Feb. 28, 2022	Dec. 31, 2021	Dec. 31, 2020
Subsequent Events [Abstract]
Loans receivable		$ 3,247,911	$ 3,111,533
Paycheck Protection Program [Member]
Subsequent Events [Abstract]
Loans receivable		$ 70,800	$ 224,300
Subsequent Event [Member]
Subsequent Events [Abstract]
Common stock repurchased (in shares)	4,500
Subsequent Event [Member] \| Paycheck Protection Program [Member]
Subsequent Events [Abstract]
Loans originated	$ 497,000
Loans receivable	$ 32,400