Loans - Non-Accrual at Amortized Cost (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Total Non-accrual amortized cost	$ 20,955	$ 29,942	$ 15,254
Non-Accrual with no related Allowance	13,400	13,040
Interest income recognized	4	171
Loans ninety days or more past due and still accruing:		2,600
Multi-family Residential Portfolio Segment [Member]
Total Non-accrual amortized cost	3,975	3,547	2,652
Non-Accrual with no related Allowance	3,975	3,547
Interest income recognized	2
Commercial Real Estate [Member]
Total Non-accrual amortized cost		254	640
Non-Accrual with no related Allowance		254
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member]
Total Non-accrual amortized cost	797	1,045	1,582
Non-Accrual with no related Allowance	797	1,045
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member] \| Performing Financial Instruments [Member]
Non-accrual loans		300
One-To-Four Family - Residential Portfolio Segment [Member]
Total Non-accrual amortized cost	4,396	3,953	7,483
Non-Accrual with no related Allowance	4,396	3,953
Construction Portfolio Segment
Loans ninety days or more past due and still accruing:		2,600
Small Business Administration Portfolio Segment [Member]
Total Non-accrual amortized cost	949	950	952
Non-Accrual with no related Allowance	949	950
Commercial Business and Other Portfolio Segment [Member]
Total Non-accrual amortized cost	10,838	20,193	$ 1,945
Non-Accrual with no related Allowance	3,283	3,291
Interest income recognized	$ 2	171
Commercial Business and Other Portfolio Segment [Member] \| Performing Financial Instruments [Member]
Non-accrual loans		$ 100

Amount of financing receivable on nonaccrual status at amortized cost.

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Amount of interest income on financing receivable on nonaccrual status.

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Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

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- Definition

Amortized cost of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

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