Parent Company Only	12 Months Ended
	Dec. 31, 2021
Parent Company Only [Abstract]
Parent Company Only	19.PARENT COMPANY ONLYThe following is the condensed financial information for Fidelity D & D Bancorp, Inc. on a parent company only basis as of and for the years indicated: Condensed Balance SheetsAs of December 31,(dollars in thousands)2021 2020Assets: Cash$ 515 $ 256Investment in subsidiary 211,788 166,618Other assets 198 180Total$ 212,501 $ 167,054 Liabilities and shareholders' equity: Liabilities$ 772 $ 384Capital stock and retained earnings 211,550 157,718Accumulated other comprehensive income (loss) 179 8,952Total$ 212,501 $ 167,054 Condensed Income StatementsYears ended December 31,(dollars in thousands)2021 2020 2019Income: Equity in undistributed earnings of subsidiary$ 19,898 $ 9,934 $ 8,839Dividends from subsidiary 6,608 5,378 4,037Total income 26,506 15,312 12,876Operating expenses 3,016 2,779 1,598Income before taxes 23,490 12,533 11,278Credit for income taxes 518 502 298Net income$ 24,008 $ 13,035 $ 11,576 ‎ Statements of Comprehensive IncomeYears ended December 31,(dollars in thousands)2021 2020 2019Bancorp net loss$ (2,498) $ (2,277) $ (1,300)Equity in net income of subsidiary 26,506 15,312 12,876Net income 24,008 13,035 11,576 Equity in other comprehensive income (loss) of subsidiary (8,773) 5,350 4,697Other comprehensive (loss) income, net of tax (8,773) 5,350 4,697Total comprehensive income, net of tax$ 15,235 $ 18,385 $ 16,273 Condensed Statements of Cash FlowsYears ended December 31,(dollars in thousands)2021 2020 2019Cash flows from operating activities: Net income $ 24,008 $ 13,035 $ 11,576Adjustments to reconcile net income to net cash used in operations: Equity in earnings of subsidiary (26,506) (15,312) (12,876)Stock-based compensation expense 1,096 1,077 817Deferred income tax (10) (84) 2Changes in other assets and liabilities, net 390 71 137Net cash used in operating activities (1,022) (1,213) (344) Cash flows provided by investing activities: Dividends received from subsidiary 6,608 5,378 4,037Operating dividend from subsidiary 1,075 1,129 -Net cash (used in) acquired in acquisition (64) 58 -Net cash provided by investing activities 7,619 6,565 4,037 Cash flows used in financing activities: Dividends paid, net of dividend reinvestment (6,608) (5,378) (4,037)Withholdings to purchase capital stock 270 219 175Net cash used in financing activities (6,338) (5,159) (3,862)Net change in cash 259 193 (169) Cash, beginning 256 63 232 Cash, ending$ 515 $ 256 $ 63