Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash Flows from Operating Activities:
Net income	$ 24,442	$ 3,231
Items included in net income not affecting cash flows:
Depreciation and amortization	32,497	33,156
Amortization of debt discount and other deferred financing costs	567	554
Compensation relating to restricted stock awards and stock option grants	1,662	2,391
Deferred income tax expense	4,606	519
Interest on finance lease liabilities	731	826
Non-cash operating lease expense	31,932	44,874
Payments for drydocking	(5,319)	(7,386)
Operating lease liabilities	(32,786)	(45,935)
Changes in operating assets and liabilities, net	(4,922)	(15,061)
Net cash provided by operating activities	53,410	17,169
Cash Flows from Investing Activities:
Expenditures for vessels and vessel improvements	(1,404)	(2,046)
Net cash used in investing activities	(1,404)	(2,046)
Cash Flows from Financing Activities:
Payments on debt	(11,670)	(10,930)
Tax withholding on share-based awards	(1,168)	(371)
Payments on principal portion of finance lease liabilities	(2,063)	(2,063)
Deferred financing costs paid for debt amendments	(40)	(261)
Purchases of treasury stock	(9,847)	(310)
Net cash used in financing activities	(24,788)	(13,935)
Net increase in cash and cash equivalents	27,218	1,188
Cash and cash equivalents at beginning of period	78,732	83,253
Cash and cash equivalents at end of period	$ 105,950	$ 84,441