Parent Company Only Financial Statements - Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Assets
Other assets	$ 156,134	$ 156,249
Total assets	4,814,970	3,670,449
Liabilities and Shareholders’ Equity
Borrowings	14	1,457
Other liabilities	50,829	25,849
Total liabilities	4,282,584	3,176,889
Shareholders' equity:
Retained earnings	180,265	167,124
Accumulated other comprehensive income (loss)	11,724	(1,677)
Total shareholders’ equity	532,386	493,560	$ 436,933	$ 222,847
Total liabilities and shareholders’ equity	4,814,970	3,670,449
Live Oak Bancshares, Inc.
Assets
Cash and cash equivalents	13,585	14,780
Investment in subsidiaries	499,335	452,426
Other assets	21,182	28,094
Total assets	534,102	495,300
Liabilities and Shareholders’ Equity
Borrowings		1,441
Other liabilities	1,716	299
Total liabilities	1,716	1,740
Shareholders' equity:
Common stock	340,397	328,113
Retained earnings	180,265	167,124
Accumulated other comprehensive income (loss)	11,724	(1,677)
Total shareholders’ equity	532,386	493,560
Total liabilities and shareholders’ equity	$ 534,102	$ 495,300