v3.23.1

Financial Highlights (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Per share data:
Net asset value, beginning of period (in usd per share)	$ 20.22	$ 20.14	$ 20.14
Net investment income (loss) (in usd per share)	0.35	0.21
Net realized and unrealized gain (loss) on investment transactions (in usd per share)	(0.05)	0.05
Total from operations (in usd per share)	0.30	0.26
Dividends declared (in usd per share)	(0.25)	0
Total increase (decrease) in net assets (in usd per share)	0.05	0.26
Net asset value, end of period (in usd per share)	$ 20.27	$ 20.40	$ 20.22
Shares outstanding, end of period (in shares)	9,672,358	9,141,176	9,672,358
Total return	1.50%	1.30%
Ratios / supplemental data
Ratio of gross expenses to average net assets	1.00%	0.60%
Ratio of net expenses to average net assets	1.00%	0.60%
Ratio of net investment income (loss) to average net assets	1.70%	1.00%
Net assets, end of period	$ 196,034	$ 186,445	$ 195,587	$ 184,098
Weighted average shares outstanding - basic (in shares)	9,672,358	9,141,176
Weighted average shares outstanding - diluted (in shares)	9,672,358	9,141,176
Total capital commitments, end of period	$ 216,000	$ 216,000	$ 216,000
Ratio of total contributed capital to total committed capital, end of period	90.00%	85.00%
Portfolio turnover rate	2.60%	6.80%

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AG Twin Brook BDC, Inc. 10-Q